如何解决 java.lang.IllegalArgumentException: Could not locate named parameter [enteredValue], expecting one of [] in Hibernate 5.4.15 Final?
How to solve java.lang.IllegalArgumentException: Could not locate named parameter [enteredValue], expecting one of [] in Hibernate 5.4.15 Final?
这是我的 StudentDaoImpl class。
package com.gavs.dao;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.query.Query;
import com.gavs.beans.Result;
import com.gavs.beans.Student;
import com.gavs.hibernate.until.HibernateUtil;
public class StudentDaoImpl implements StudentDao {
@Override
public List<Result> showRecords(Student s) {
System.out.println("student name is:"+s.getName());
SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
Session session = sessionFactory.openSession();
session.beginTransaction();
String hql="select s from com.gavs.beans.Student s where s.name = :nameparam";
System.out.println(hql);
Query q = session.createQuery(hql);
q.setParameter("nameparam",s.getName());
List<Student> r1= q.list();
session.getTransaction().commit();
session.close();
return rl;
}
}
这是显示的错误消息：
Type Exception Report
Message Request processing failed; nested exception is java.lang.IllegalArgumentException: Could not locate named parameter [nameparam], expecting one of []
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.IllegalArgumentException: Could not locate named parameter [nameparam], expecting one of []
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
Root Cause
java.lang.IllegalArgumentException: Could not locate named parameter [nameparam], expecting one of []
org.hibernate.query.internal.ParameterMetadataImpl.getNamedParameterDescriptor(ParameterMetadataImpl.java:229)
org.hibernate.query.internal.ParameterMetadataImpl.getQueryParameter(ParameterMetadataImpl.java:198)
org.hibernate.query.internal.QueryParameterBindingsImpl.getBinding(QueryParameterBindingsImpl.java:188)
org.hibernate.query.internal.AbstractProducedQuery.setParameter(AbstractProducedQuery.java:490)
org.hibernate.query.internal.AbstractProducedQuery.setParameter(AbstractProducedQuery.java:111)
com.gavs.dao.StudentDaoImpl.showRecords(StudentDaoImpl.java:41)
com.gavs.controllers.StudentControl.getStudentDetail(StudentControl.java:37)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:483)
org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:879)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:793)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
Note The full stack trace of the root cause is available in the server logs.
这里是我调试代码时出现的错误，
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server version name: Apache Tomcat/9.0.31
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server built: Feb 5 2020 19:32:12 UTC
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server version number: 9.0.31.0
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Name: Windows 8.1
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Version: 6.3
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Architecture: amd64
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Java Home: C:\Program Files\Java\jdk1.8.0_31\jre
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Version: 1.8.0_31-b13
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Vendor: Oracle Corporation
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_BASE: F:\VCM\JpaSpring\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_HOME: D:\BACKUP 19.03.2020\Downloads\apache-tomcat-9.0.31
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -agentlib:jdwp=transport=dt_socket,suspend=y,address=localhost:65187
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -javaagent:E:\eclipse1\eclipse\configuration\org.eclipse.osgi8[=13=]\.cp\lib\javaagent-shaded.jar
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.base=F:\VCM\JpaSpring\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.home=D:\BACKUP 19.03.2020\Downloads\apache-tomcat-9.0.31
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dwtp.deploy=F:\VCM\JpaSpring\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.endorsed.dirs=D:\BACKUP 19.03.2020\Downloads\apache-tomcat-9.0.31\endorsed
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dfile.encoding=Cp1252
Jun 03, 2020 12:18:56 PM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: Loaded APR based Apache Tomcat Native library [1.2.23] using APR version [1.7.0].
Jun 03, 2020 12:18:56 PM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
Jun 03, 2020 12:18:56 PM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: APR/OpenSSL configuration: useAprConnector [false], useOpenSSL [true]
Jun 03, 2020 12:18:56 PM org.apache.catalina.core.AprLifecycleListener initializeSSL
INFO: OpenSSL successfully initialized [OpenSSL 1.1.1c 28 May 2019]
Jun 03, 2020 12:18:57 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-nio-8080"]
Jun 03, 2020 12:18:57 PM org.apache.catalina.startup.Catalina load
INFO: Server initialization in [1,800] milliseconds
Jun 03, 2020 12:18:57 PM org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory getObjectInstance
WARNING: Name = CRUDCode Property maxActive is not used in DBCP2, use maxTotal instead. maxTotal default value is 8. You have set value of "100" for "maxActive" property, which is being ignored.
Jun 03, 2020 12:18:57 PM org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory getObjectInstance
WARNING: Name = CRUDCode Property maxWait is not used in DBCP2 , use maxWaitMillis instead. maxWaitMillis default value is -1. You have set value of "10000" for "maxWait" property, which is being ignored.
Jun 03, 2020 12:18:57 PM org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory getObjectInstance
INFO: Name = CRUDCode Ignoring unknown property: value of "CRUDCode" for "global" property
Jun 03, 2020 12:18:57 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service [Catalina]
Jun 03, 2020 12:18:57 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet engine: [Apache Tomcat/9.0.31]
Jun 03, 2020 12:19:02 PM org.apache.jasper.servlet.TldScanner scanJars
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
Jun 03, 2020 12:19:02 PM org.apache.catalina.util.SessionIdGeneratorBase createSecureRandom
WARNING: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [338] milliseconds.
Jun 03, 2020 12:19:20 PM org.apache.jasper.servlet.TldScanner scanJars
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
Jun 03, 2020 12:19:20 PM org.apache.catalina.core.ApplicationContext log
INFO: No Spring WebApplicationInitializer types detected on classpath
Jun 03, 2020 12:19:20 PM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring DispatcherServlet 'studentDetails'
Jun 03, 2020 12:19:20 PM org.springframework.web.servlet.FrameworkServlet initServletBean
INFO: Initializing Servlet 'studentDetails'
Jun 03, 2020 12:19:23 PM org.springframework.web.servlet.FrameworkServlet initServletBean
INFO: Completed initialization in 2866 ms
Jun 03, 2020 12:19:23 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-nio-8080"]
Jun 03, 2020 12:19:23 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in [25,979] milliseconds
Student name is Vishnu
Jun 03, 2020 12:28:17 PM org.hibernate.Version logVersion
INFO: HHH000412: Hibernate ORM core version 5.4.17.Final
Jun 03, 2020 12:30:51 PM org.hibernate.annotations.common.reflection.java.JavaReflectionManager <clinit>
INFO: HCANN000001: Hibernate Commons Annotations {5.1.0.Final}
Jun 03, 2020 12:31:09 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
WARN: HHH10001002: Using Hibernate built-in connection pool (not for production use!)
Jun 03, 2020 12:31:10 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator
INFO: HHH10001005: using driver [com.mysql.cj.jdbc.Driver] at URL [jdbc:mysql://localhost:3306/initialdb]
Jun 03, 2020 12:31:10 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator
INFO: HHH10001001: Connection properties: {user=root, password=****}
Jun 03, 2020 12:31:10 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator
INFO: HHH10001003: Autocommit mode: false
Jun 03, 2020 12:31:10 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections <init>
INFO: HHH000115: Hibernate connection pool size: 20 (min=1)
Jun 03, 2020 12:32:24 PM org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator initiateService
WARN: HHH000342: Could not obtain connection to query metadata : null
Jun 03, 2020 12:32:26 PM org.hibernate.dialect.Dialect <init>
INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQL8Dialect
Jun 03, 2020 12:32:29 PM org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptions
WARN: SQL Error: 0, SQLState: 08S01
Jun 03, 2020 12:32:30 PM org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptions
ERROR: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
Jun 03, 2020 12:35:21 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [studentDetails] in context with path [/HibernateWithQuery] threw exception [Request processing failed; nested exception is org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]] with root cause
java.net.SocketException: Software caused connection abort: recv failed
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:150)
at java.net.SocketInputStream.read(SocketInputStream.java:121)
at sun.security.ssl.InputRecord.readFully(InputRecord.java:465)
at sun.security.ssl.InputRecord.read(InputRecord.java:503)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:961)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1363)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1391)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1375)
at com.mysql.cj.protocol.ExportControlled.performTlsHandshake(ExportControlled.java:336)
at com.mysql.cj.protocol.StandardSocketFactory.performTlsHandshake(StandardSocketFactory.java:188)
at com.mysql.cj.protocol.a.NativeSocketConnection.performTlsHandshake(NativeSocketConnection.java:99)
at com.mysql.cj.protocol.a.NativeProtocol.negotiateSSLConnection(NativeProtocol.java:325)
at com.mysql.cj.protocol.a.NativeAuthenticationProvider.connect(NativeAuthenticationProvider.java:164)
at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol.java:1342)
at com.mysql.cj.NativeSession.connect(NativeSession.java:157)
at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:956)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:826)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:456)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:197)
at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator.makeConnection(DriverConnectionCreator.java:38)
at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.createConnection(BasicConnectionCreator.java:58)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections.addConnections(DriverManagerConnectionProviderImpl.java:331)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections.<init>(DriverManagerConnectionProviderImpl.java:250)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections.<init>(DriverManagerConnectionProviderImpl.java:228)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections$Builder.build(DriverManagerConnectionProviderImpl.java:369)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.buildPool(DriverManagerConnectionProviderImpl.java:98)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure(DriverManagerConnectionProviderImpl.java:73)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:107)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:246)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214)
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.buildJdbcConnectionAccess(JdbcEnvironmentInitiator.java:145)
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:66)
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:101)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:263)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:237)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214)
at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.injectServices(DefaultIdentifierGeneratorFactory.java:152)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies(AbstractServiceRegistryImpl.java:286)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:243)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214)
at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.<init>(InFlightMetadataCollectorImpl.java:176)
at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:118)
at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.build(MetadataBuildingProcess.java:83)
at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:473)
at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:84)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:689)
at com.gavs.hibernateutil.HibernateUtil.getSessionFactory(HibernateUtil.java:23)
at com.gavs.dao.StudentDaoImpl.showRecords(StudentDaoImpl.java:23)
at com.gavs.controllers.StudentControl.getStudentDetail(StudentControl.java:37)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:879)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:793)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:688)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1639)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
我还想提一下，这是一个动态 Web 应用程序，我将 hibernate.cfg.xml 文件放在 WebContent 文件夹内的 WEB-INF/classes 文件夹中。这是一个 Spring MVC 和休眠项目。
谢谢
String hql="select new com.gavs.beans.Result(s.name as s_name,s.age as s_age,d.dept_name as d_name,c.college_name as c_name)"+
" from com.gavs.beans.College c" +
"join com.gavs.beans.Department d on d.institutes.college_id = c.college_id" +
"join com.gavs.beans.Student s on s.departments.dept_id = d.dept_id" +
"where s.name = :enteredValue";
您在 dept_id 和 where s.name 之间以及其他一些地方缺少 space（几乎所有行的末尾都缺少一个空白字符）。这可能在您的问题中起作用。考虑将您的查询存储为资源（文件）并从您的代码中读取它们。用另一种语言构建 SQL 字符串不是很优雅（对于简单查询可能没问题）。
相同的查询已更正 spaces:
String hql=
"select new com.gavs.beans.Result(s.name as s_name,s.age as s_age,d.dept_name as d_name,c.college_name as c_name)"+
" from com.gavs.beans.College c" +
" join com.gavs.beans.Department d on d.institutes.college_id = c.college_id" +
" join com.gavs.beans.Student s on s.departments.dept_id = d.dept_id " +
" where s.name = :enteredValue";
请从您的 hql 中删除关键字 as 并试一试？
String hql="select new com.gavs.beans.Result(s.name,s.age,d.dept_name,c.college_name )"+
" from com.gavs.beans.College c" +
" join com.gavs.beans.Department d on d.institutes.college_id = c.college_id" +
" join com.gavs.beans.Student s on s.departments.dept_id = d.dept_id" +
" where s.name = :enteredValue";
我已经解决了应用程序的问题。我在我的 Web 应用程序中使用了 Spring MVC 和休眠。当我尝试将 Spring 与 Hibernate 集成时，我在 applicationContext.xml 中使用了 LocalSessionFactoryBean 而不是使用 hibernate.cfg.xml 文件。这解决了这个问题。
这是 applicationContext.xml 文件：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<mvc:annotation-driven/>
<context:component-scan base-package="com.gavs" />
<!-- Resolves views selected for rendering by @Controllers to .jsp resources
in the /WEB-INF/views directory -->
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/views/" />
<property name="suffix" value=".jsp" />
</bean>
<!-- Step 1: Define Database DataSource / connection pool -->
<bean id="myDataSource" class="org.apache.commons.dbcp2.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/initdb"/>
<property name="username" value="root"/>
<property name="password" value="root"/>
</bean>
<!-- Step 2: Setup Hibernate session factory -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
<property name="dataSource" ref="myDataSource" />
<property name="packagesToScan" value="com.gavs.beans" />
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQL8Dialect</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
</bean>
<!-- Step 3: Setup Hibernate transaction manager -->
<bean id="myTransactionManager"
class="org.springframework.orm.hibernate5.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<!-- Step 4: Enable configuration of transactional behavior based on annotations -->
<tx:annotation-driven transaction-manager="myTransactionManager" />
<bean id="stud" class="com.gavs.dao.StudentDaoImpl">
</bean>
</beans>
通过将这些bean 添加到applicationContext.xml，可以将SessionFactory 注入所需的class 并使用。所以不需要 hibernate.cfg.xml 文件。
这是我的 StudentDaoImpl class。
package com.gavs.dao;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.query.Query;
import com.gavs.beans.Result;
import com.gavs.beans.Student;
import com.gavs.hibernate.until.HibernateUtil;
public class StudentDaoImpl implements StudentDao {
@Override
public List<Result> showRecords(Student s) {
System.out.println("student name is:"+s.getName());
SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
Session session = sessionFactory.openSession();
session.beginTransaction();
String hql="select s from com.gavs.beans.Student s where s.name = :nameparam";
System.out.println(hql);
Query q = session.createQuery(hql);
q.setParameter("nameparam",s.getName());
List<Student> r1= q.list();
session.getTransaction().commit();
session.close();
return rl;
}
}
这是显示的错误消息：
Type Exception Report
Message Request processing failed; nested exception is java.lang.IllegalArgumentException: Could not locate named parameter [nameparam], expecting one of []
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.IllegalArgumentException: Could not locate named parameter [nameparam], expecting one of []
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
Root Cause
java.lang.IllegalArgumentException: Could not locate named parameter [nameparam], expecting one of []
org.hibernate.query.internal.ParameterMetadataImpl.getNamedParameterDescriptor(ParameterMetadataImpl.java:229)
org.hibernate.query.internal.ParameterMetadataImpl.getQueryParameter(ParameterMetadataImpl.java:198)
org.hibernate.query.internal.QueryParameterBindingsImpl.getBinding(QueryParameterBindingsImpl.java:188)
org.hibernate.query.internal.AbstractProducedQuery.setParameter(AbstractProducedQuery.java:490)
org.hibernate.query.internal.AbstractProducedQuery.setParameter(AbstractProducedQuery.java:111)
com.gavs.dao.StudentDaoImpl.showRecords(StudentDaoImpl.java:41)
com.gavs.controllers.StudentControl.getStudentDetail(StudentControl.java:37)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:483)
org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:879)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:793)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
Note The full stack trace of the root cause is available in the server logs.
这里是我调试代码时出现的错误，
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server version name: Apache Tomcat/9.0.31
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server built: Feb 5 2020 19:32:12 UTC
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server version number: 9.0.31.0
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Name: Windows 8.1
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Version: 6.3
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Architecture: amd64
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Java Home: C:\Program Files\Java\jdk1.8.0_31\jre
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Version: 1.8.0_31-b13
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Vendor: Oracle Corporation
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_BASE: F:\VCM\JpaSpring\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_HOME: D:\BACKUP 19.03.2020\Downloads\apache-tomcat-9.0.31
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -agentlib:jdwp=transport=dt_socket,suspend=y,address=localhost:65187
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -javaagent:E:\eclipse1\eclipse\configuration\org.eclipse.osgi8[=13=]\.cp\lib\javaagent-shaded.jar
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.base=F:\VCM\JpaSpring\.metadata\.plugins\org.eclipse.wst.server.core\tmp0
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.home=D:\BACKUP 19.03.2020\Downloads\apache-tomcat-9.0.31
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dwtp.deploy=F:\VCM\JpaSpring\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.endorsed.dirs=D:\BACKUP 19.03.2020\Downloads\apache-tomcat-9.0.31\endorsed
Jun 03, 2020 12:18:56 PM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dfile.encoding=Cp1252
Jun 03, 2020 12:18:56 PM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: Loaded APR based Apache Tomcat Native library [1.2.23] using APR version [1.7.0].
Jun 03, 2020 12:18:56 PM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
Jun 03, 2020 12:18:56 PM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: APR/OpenSSL configuration: useAprConnector [false], useOpenSSL [true]
Jun 03, 2020 12:18:56 PM org.apache.catalina.core.AprLifecycleListener initializeSSL
INFO: OpenSSL successfully initialized [OpenSSL 1.1.1c 28 May 2019]
Jun 03, 2020 12:18:57 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-nio-8080"]
Jun 03, 2020 12:18:57 PM org.apache.catalina.startup.Catalina load
INFO: Server initialization in [1,800] milliseconds
Jun 03, 2020 12:18:57 PM org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory getObjectInstance
WARNING: Name = CRUDCode Property maxActive is not used in DBCP2, use maxTotal instead. maxTotal default value is 8. You have set value of "100" for "maxActive" property, which is being ignored.
Jun 03, 2020 12:18:57 PM org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory getObjectInstance
WARNING: Name = CRUDCode Property maxWait is not used in DBCP2 , use maxWaitMillis instead. maxWaitMillis default value is -1. You have set value of "10000" for "maxWait" property, which is being ignored.
Jun 03, 2020 12:18:57 PM org.apache.tomcat.dbcp.dbcp2.BasicDataSourceFactory getObjectInstance
INFO: Name = CRUDCode Ignoring unknown property: value of "CRUDCode" for "global" property
Jun 03, 2020 12:18:57 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service [Catalina]
Jun 03, 2020 12:18:57 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet engine: [Apache Tomcat/9.0.31]
Jun 03, 2020 12:19:02 PM org.apache.jasper.servlet.TldScanner scanJars
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
Jun 03, 2020 12:19:02 PM org.apache.catalina.util.SessionIdGeneratorBase createSecureRandom
WARNING: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [338] milliseconds.
Jun 03, 2020 12:19:20 PM org.apache.jasper.servlet.TldScanner scanJars
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
Jun 03, 2020 12:19:20 PM org.apache.catalina.core.ApplicationContext log
INFO: No Spring WebApplicationInitializer types detected on classpath
Jun 03, 2020 12:19:20 PM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring DispatcherServlet 'studentDetails'
Jun 03, 2020 12:19:20 PM org.springframework.web.servlet.FrameworkServlet initServletBean
INFO: Initializing Servlet 'studentDetails'
Jun 03, 2020 12:19:23 PM org.springframework.web.servlet.FrameworkServlet initServletBean
INFO: Completed initialization in 2866 ms
Jun 03, 2020 12:19:23 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-nio-8080"]
Jun 03, 2020 12:19:23 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in [25,979] milliseconds
Student name is Vishnu
Jun 03, 2020 12:28:17 PM org.hibernate.Version logVersion
INFO: HHH000412: Hibernate ORM core version 5.4.17.Final
Jun 03, 2020 12:30:51 PM org.hibernate.annotations.common.reflection.java.JavaReflectionManager <clinit>
INFO: HCANN000001: Hibernate Commons Annotations {5.1.0.Final}
Jun 03, 2020 12:31:09 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
WARN: HHH10001002: Using Hibernate built-in connection pool (not for production use!)
Jun 03, 2020 12:31:10 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator
INFO: HHH10001005: using driver [com.mysql.cj.jdbc.Driver] at URL [jdbc:mysql://localhost:3306/initialdb]
Jun 03, 2020 12:31:10 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator
INFO: HHH10001001: Connection properties: {user=root, password=****}
Jun 03, 2020 12:31:10 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl buildCreator
INFO: HHH10001003: Autocommit mode: false
Jun 03, 2020 12:31:10 PM org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections <init>
INFO: HHH000115: Hibernate connection pool size: 20 (min=1)
Jun 03, 2020 12:32:24 PM org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator initiateService
WARN: HHH000342: Could not obtain connection to query metadata : null
Jun 03, 2020 12:32:26 PM org.hibernate.dialect.Dialect <init>
INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQL8Dialect
Jun 03, 2020 12:32:29 PM org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptions
WARN: SQL Error: 0, SQLState: 08S01
Jun 03, 2020 12:32:30 PM org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptions
ERROR: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
Jun 03, 2020 12:35:21 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [studentDetails] in context with path [/HibernateWithQuery] threw exception [Request processing failed; nested exception is org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]] with root cause
java.net.SocketException: Software caused connection abort: recv failed
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:150)
at java.net.SocketInputStream.read(SocketInputStream.java:121)
at sun.security.ssl.InputRecord.readFully(InputRecord.java:465)
at sun.security.ssl.InputRecord.read(InputRecord.java:503)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:961)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1363)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1391)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1375)
at com.mysql.cj.protocol.ExportControlled.performTlsHandshake(ExportControlled.java:336)
at com.mysql.cj.protocol.StandardSocketFactory.performTlsHandshake(StandardSocketFactory.java:188)
at com.mysql.cj.protocol.a.NativeSocketConnection.performTlsHandshake(NativeSocketConnection.java:99)
at com.mysql.cj.protocol.a.NativeProtocol.negotiateSSLConnection(NativeProtocol.java:325)
at com.mysql.cj.protocol.a.NativeAuthenticationProvider.connect(NativeAuthenticationProvider.java:164)
at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol.java:1342)
at com.mysql.cj.NativeSession.connect(NativeSession.java:157)
at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:956)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:826)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:456)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:246)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:197)
at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator.makeConnection(DriverConnectionCreator.java:38)
at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.createConnection(BasicConnectionCreator.java:58)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections.addConnections(DriverManagerConnectionProviderImpl.java:331)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections.<init>(DriverManagerConnectionProviderImpl.java:250)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections.<init>(DriverManagerConnectionProviderImpl.java:228)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections$Builder.build(DriverManagerConnectionProviderImpl.java:369)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.buildPool(DriverManagerConnectionProviderImpl.java:98)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure(DriverManagerConnectionProviderImpl.java:73)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:107)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:246)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214)
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.buildJdbcConnectionAccess(JdbcEnvironmentInitiator.java:145)
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:66)
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:101)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:263)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:237)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214)
at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.injectServices(DefaultIdentifierGeneratorFactory.java:152)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.injectDependencies(AbstractServiceRegistryImpl.java:286)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:243)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214)
at org.hibernate.boot.internal.InFlightMetadataCollectorImpl.<init>(InFlightMetadataCollectorImpl.java:176)
at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:118)
at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.build(MetadataBuildingProcess.java:83)
at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:473)
at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:84)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:689)
at com.gavs.hibernateutil.HibernateUtil.getSessionFactory(HibernateUtil.java:23)
at com.gavs.dao.StudentDaoImpl.showRecords(StudentDaoImpl.java:23)
at com.gavs.controllers.StudentControl.getStudentDetail(StudentControl.java:37)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:879)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:793)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:660)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:688)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:367)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1639)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
我还想提一下，这是一个动态 Web 应用程序，我将 hibernate.cfg.xml 文件放在 WebContent 文件夹内的 WEB-INF/classes 文件夹中。这是一个 Spring MVC 和休眠项目。 谢谢
String hql="select new com.gavs.beans.Result(s.name as s_name,s.age as s_age,d.dept_name as d_name,c.college_name as c_name)"+
" from com.gavs.beans.College c" +
"join com.gavs.beans.Department d on d.institutes.college_id = c.college_id" +
"join com.gavs.beans.Student s on s.departments.dept_id = d.dept_id" +
"where s.name = :enteredValue";
您在 dept_id 和 where s.name 之间以及其他一些地方缺少 space（几乎所有行的末尾都缺少一个空白字符）。这可能在您的问题中起作用。考虑将您的查询存储为资源（文件）并从您的代码中读取它们。用另一种语言构建 SQL 字符串不是很优雅（对于简单查询可能没问题）。
相同的查询已更正 spaces:
String hql=
"select new com.gavs.beans.Result(s.name as s_name,s.age as s_age,d.dept_name as d_name,c.college_name as c_name)"+
" from com.gavs.beans.College c" +
" join com.gavs.beans.Department d on d.institutes.college_id = c.college_id" +
" join com.gavs.beans.Student s on s.departments.dept_id = d.dept_id " +
" where s.name = :enteredValue";
请从您的 hql 中删除关键字 as 并试一试？
String hql="select new com.gavs.beans.Result(s.name,s.age,d.dept_name,c.college_name )"+
" from com.gavs.beans.College c" +
" join com.gavs.beans.Department d on d.institutes.college_id = c.college_id" +
" join com.gavs.beans.Student s on s.departments.dept_id = d.dept_id" +
" where s.name = :enteredValue";
我已经解决了应用程序的问题。我在我的 Web 应用程序中使用了 Spring MVC 和休眠。当我尝试将 Spring 与 Hibernate 集成时，我在 applicationContext.xml 中使用了 LocalSessionFactoryBean 而不是使用 hibernate.cfg.xml 文件。这解决了这个问题。
这是 applicationContext.xml 文件：
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<mvc:annotation-driven/>
<context:component-scan base-package="com.gavs" />
<!-- Resolves views selected for rendering by @Controllers to .jsp resources
in the /WEB-INF/views directory -->
<bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/views/" />
<property name="suffix" value=".jsp" />
</bean>
<!-- Step 1: Define Database DataSource / connection pool -->
<bean id="myDataSource" class="org.apache.commons.dbcp2.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/initdb"/>
<property name="username" value="root"/>
<property name="password" value="root"/>
</bean>
<!-- Step 2: Setup Hibernate session factory -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate5.LocalSessionFactoryBean">
<property name="dataSource" ref="myDataSource" />
<property name="packagesToScan" value="com.gavs.beans" />
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQL8Dialect</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
</bean>
<!-- Step 3: Setup Hibernate transaction manager -->
<bean id="myTransactionManager"
class="org.springframework.orm.hibernate5.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<!-- Step 4: Enable configuration of transactional behavior based on annotations -->
<tx:annotation-driven transaction-manager="myTransactionManager" />
<bean id="stud" class="com.gavs.dao.StudentDaoImpl">
</bean>
</beans>
通过将这些bean 添加到applicationContext.xml，可以将SessionFactory 注入所需的class 并使用。所以不需要 hibernate.cfg.xml 文件。