DatabaseConfiguration 类型的文件 DatabaseConfiguration.java 中的方法 neo4jServer 必须覆盖或实现超类型。”
The method neo4jServer in the file DatabaseConfiguration.java of type DatabaseConfiguration must override or implement a supertype."
我想在 Neo4j 图形数据库之上开发一个 java 应用程序。
对于此应用程序，我想通过 https://github.com/jhipster/jhipster-neo4j-app/tree/2a6fa89f8c8aa13dc7ea7856b4ee521efceeb7c7
在 Github 上重用 Vlastaridis 先生的样板代码
这个 Neo4j 示例是为旧 2.xx 版本的 Neo4j 开发的。我想将数据库更新到 3.xx 版本。因此，我必须更新此应用程序中的 Spring Data Neo4j 项目实施。
因此，我修改了 POM.XML 文件中的必要条目。我使用 https://github.com/neo4j-examples/movies-java-spring-data-neo4j-4 的属性和依赖项作为修改 POM.XML 文件中的示例。
据我所知，这个 top POM.XML 实现应该使用 Spring Boot 来包含所有其他依赖项，包括必要的 Spring Data Neo4j 依赖项。然而，情况似乎并非如此。
由于修改 POM.XML 我最终在 Eclipse 和 Maven 中出现错误："The method neo4jServer in the file DatabaseConfiguration.java of type DatabaseConfiguration must override or implement a supertype."
问题：如何修改样板代码中的 POM.XML 以删除错误消息？
DatabaseConfiguration.java 的实现如下所示：
package com.mycompany.myapp.config;
import org.neo4j.ogm.session.Session;
import org.neo4j.ogm.session.SessionFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.data.neo4j.config.Neo4jConfiguration;
import org.springframework.data.neo4j.repository.config.EnableNeo4jRepositories;
import org.springframework.data.neo4j.server.Neo4jServer;
import org.springframework.data.neo4j.server.RemoteServer;
import org.springframework.data.repository.query.QueryLookupStrategy;
@Configuration
@Profile("!test")
@EnableNeo4jRepositories(basePackages = "com.mycompany.myapp.repository", queryLookupStrategy = QueryLookupStrategy.Key.CREATE_IF_NOT_FOUND)
public class DatabaseConfiguration extends Neo4jConfiguration {
private final Logger log = LoggerFactory.getLogger(DatabaseConfiguration.class);
@Override
@Bean
public Neo4jServer neo4jServer() {
log.info("Initialising server connection");
return new RemoteServer("http://localhost:7474", "neo4j", "1234");
}
@Override
@Bean
public SessionFactory getSessionFactory() {
log.info("Initialising Session Factory");
return new SessionFactory("com.mycompany.myapp.domain");
}
@Override
@Bean
public Session getSession() throws Exception {
log.info("Initialising session-scoped Session Bean");
return super.getSession();
}
}
我的 POM.XML 文件看起来像这样。由于 Whosebug 的限制，我在 POM.XML.
中删除了大部分非 Neo4j 相关的属性和依赖项
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<artifactId>spring-boot-starter-parent</artifactId>
<groupId>org.springframework.boot</groupId>
<version>1.3.1.RELEASE</version>
<relativePath/>
</parent>
<groupId>com.mycompany.myapp</groupId>
<artifactId>neo4jhipster</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>neo4jhipster</name>
<repositories>
<repository>
<id>spring-milestones</id>
<url>http://repo.spring.io/milestone</url>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>spring-milestones</id>
<url>http://repo.spring.io/milestone</url>
</pluginRepository>
</pluginRepositories>
<properties>
<hikaricp.version>2.4.1</hikaricp.version>
<assertj-core.version>3.1.0</assertj-core.version>
<awaitility.version>1.4.0</awaitility.version>
<commons-io.version>2.4</commons-io.version>
<commons-lang.version>2.6</commons-lang.version>
<gatling.version>2.1.7</gatling.version>
<gatling-maven-plugin.version>2.1.7</gatling-maven-plugin.version>
<java.version>1.8</java.version>
<maven.compiler.source>${java.version}</maven.compiler.source>
<maven.compiler.target>${java.version}</maven.compiler.target>
<javax.inject.version>1</javax.inject.version>
<mapstruct.version>1.0.0.CR1</mapstruct.version>
<maven.build.timestamp.format>yyyyMMddHHmmss</maven.build.timestamp.format>
<maven-enforcer-plugin.version>1.3.1</maven-enforcer-plugin.version>
<maven-sortpom-plugin.version>2.3.0</maven-sortpom-plugin.version>
<metrics-spark-reporter.version>1.2</metrics-spark-reporter.version>
<metrics-spring.version>3.1.2</metrics-spring.version>
<run.addResources>false</run.addResources>
<spring-security.version>4.0.2.RELEASE</spring-security.version>
<springfox.version>2.0.3</springfox.version>
<!-- Sonar properties -->
<project.testresult.directory>${project.build.directory}/test-results</project.testresult.directory>
<sonar-maven-plugin.version>2.6</sonar-maven-plugin.version>
<jacoco-maven-plugin.version>0.7.4.201502262128</jacoco-maven-plugin.version>
<sonar.exclusions>src/main/webapp/assets/**/*.*, src/main/webapp/bower_components/**/*.*, src/main/webapp/dist/**/*.*</sonar.exclusions>
<sonar.java.codeCoveragePlugin>jacoco</sonar.java.codeCoveragePlugin>
<sonar.jacoco.itReportPath>${project.testresult.directory}/coverage/jacoco/jacoco-it.exec</sonar.jacoco.itReportPath>
<sonar.jacoco.reportPath>${project.testresult.directory}/coverage/jacoco/jacoco.exec</sonar.jacoco.reportPath>
<sonar.javascript.jstestdriver.reportsPath>${project.testresult.directory}/karma</sonar.javascript.jstestdriver.reportsPath>
<sonar.javascript.lcov.reportPath>${project.testresult.directory}/coverage/report-lcov/lcov.info</sonar.javascript.lcov.reportPath>
<sonar.sources>${project.basedir}/src/main/</sonar.sources>
<sonar.surefire.reportsPath>${project.testresult.directory}/surefire-reports</sonar.surefire.reportsPath>
<sonar.tests>${project.basedir}/src/test/</sonar.tests>
<neo4j.version>3.0.1</neo4j.version>
<neo4j-ogm.version>1.1.4</neo4j-ogm.version>
<!-- sdn.version veranderd door Luc van 4.0.0.RELEASE naar 4.1.1.RELEASE -->
<sdn.version>4.1.1.RELEASE</sdn.version>
<!-- Einde verandering Luc -->
<spring-data-neo4j.version>4.1.1.RELEASE</spring-data-neo4j.version>
<spring-data-releasetrain.version>Hopper-SR1</spring-data-releasetrain.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-autoconfigure</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-loader-tools</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-aop</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-mail</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- jhipster-needle-maven-add-dependency -->
<!-- spring-data-neo4j -->
<!-- <dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
<version>${sdn.version}</version>
</dependency>
-->
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
<version>${spring-data-neo4j.version}</version>
</dependency>
<!-- test scoped beans only -->
<!-- <dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
<version>${sdn.version}</version>
<type>test-jar</type>
</dependency>
<dependency>
<groupId>org.neo4j</groupId>
<artifactId>neo4j-kernel</artifactId>
<version>${neo4j.version}</version>
<type>test-jar</type>
</dependency>
<dependency>
<groupId>org.neo4j.app</groupId>
<artifactId>neo4j-server</artifactId>
<version>${neo4j.version}</version>
<type>test-jar</type>
</dependency>
<dependency>
<groupId>org.neo4j</groupId>
<artifactId>neo4j-ogm</artifactId>
<version>${neo4j-ogm.version}</version>
<type>test-jar</type>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.neo4j.test</groupId>
<artifactId>neo4j-harness</artifactId>
<version>${neo4j.version}</version>
<scope>test</scope>
</dependency>
-->
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
<version>${spring-data-neo4j.version}</version>
<type>test-jar</type>
</dependency>
<dependency>
<groupId>org.neo4j</groupId>
<artifactId>neo4j-kernel</artifactId>
<version>${neo4j.version}</version>
<type>test-jar</type>
</dependency>
<dependency>
<groupId>org.neo4j.app</groupId>
<artifactId>neo4j-server</artifactId>
<version>${neo4j.version}</version>
<type>test-jar</type>
</dependency>
<dependency>
<groupId>org.neo4j</groupId>
<artifactId>neo4j-ogm-test</artifactId>
<version>2.0.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.neo4j.test</groupId>
<artifactId>neo4j-harness</artifactId>
<version>${neo4j.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<defaultGoal>spring-boot:run</defaultGoal>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
<includes>
<include>**/*.xml</include>
</includes>
</resource>
<resource>
<directory>src/main/resources</directory>
<filtering>false</filtering>
<excludes>
<exclude>**/*.xml</exclude>
</excludes>
</resource>
</resources>
<plugins>
<plugin>
<groupId>com.google.code.sortpom</groupId>
<artifactId>maven-sortpom-plugin</artifactId>
<version>${maven-sortpom-plugin.version}</version>
<executions>
<execution>
<phase>verify</phase>
<goals>
<goal>sort</goal>
</goals>
</execution>
</executions>
<configuration>
<sortProperties>true</sortProperties>
<nrOfIndentSpace>4</nrOfIndentSpace>
<sortDependencies>groupId,artifactId</sortDependencies>
<sortPlugins>groupId,artifactId</sortPlugins>
<keepBlankLines>true</keepBlankLines>
<expandEmptyElements>false</expandEmptyElements>
</configuration>
</plugin>
<plugin>
<groupId>io.gatling</groupId>
<artifactId>gatling-maven-plugin</artifactId>
<version>${gatling-maven-plugin.version}</version>
<configuration>
<configFolder>src/test/gatling/conf</configFolder>
<dataFolder>src/test/gatling/data</dataFolder>
<resultsFolder>target/gatling/results</resultsFolder>
<bodiesFolder>src/test/gatling/bodies</bodiesFolder>
<simulationsFolder>src/test/gatling/simulations</simulationsFolder>
<!-- This will force Gatling to ask which simulation to run
This is useful when you have multiple simulations -->
<simulationClass>*</simulationClass>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-eclipse-plugin</artifactId>
<configuration>
<downloadSources>true</downloadSources>
<downloadJavadocs>true</downloadJavadocs>
</configuration>
</plugin>
<!-- Maven plugin toevoeging Luc
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.3.9</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
Einde Maven plugin toevoeging Luc -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-enforcer-plugin</artifactId>
<version>${maven-enforcer-plugin.version}</version>
<executions>
<execution>
<id>enforce-versions</id>
<goals>
<goal>enforce</goal>
</goals>
</execution>
</executions>
<configuration>
<rules>
<requireMavenVersion>
<message>You are running an older version of Maven. JHipster requires at least Maven 3.0</message>
<version>[3.0.0,)</version>
</requireMavenVersion>
<requireJavaVersion>
<message>You are running an older version of Java. JHipster requires at least JDK ${java.version}</message>
<version>[${java.version}.0,)</version>
</requireJavaVersion>
</rules>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<argLine>-Xmx256m ${surefireArgLine}</argLine>
<!-- Force alphabetical order to have a reproducible build -->
<runOrder>alphabetical</runOrder>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<configuration>
<packagingExcludes>WEB-INF/lib/tomcat-*.jar</packagingExcludes>
</configuration>
</plugin>
<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>${jacoco-maven-plugin.version}</version>
<executions>
<execution>
<id>pre-unit-tests</id>
<goals>
<goal>prepare-agent</goal>
</goals>
<configuration>
<!-- Sets the path to the file which contains the execution data. -->
<destFile>${project.testresult.directory}/coverage/jacoco/jacoco.exec</destFile>
<!-- Sets the name of the property containing the settings for JaCoCo runtime agent. -->
<propertyName>surefireArgLine</propertyName>
</configuration>
</execution>
<!-- Ensures that the code coverage report for unit tests is created after unit tests have been run -->
<execution>
<id>post-unit-test</id>
<phase>test</phase>
<goals>
<goal>report</goal>
</goals>
<configuration>
<dataFile>${project.testresult.directory}/coverage/jacoco/jacoco.exec</dataFile>
<outputDirectory>${project.testresult.directory}/coverage/jacoco</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>sonar-maven-plugin</artifactId>
<version>${sonar-maven-plugin.version}</version>
</plugin>
<plugin>
<groupId>org.bsc.maven</groupId>
<artifactId>maven-processor-plugin</artifactId>
<version>2.2.4</version>
<configuration>
<defaultOutputDirectory>
${project.build.directory}/generated-sources
</defaultOutputDirectory>
<processors>
<processor>org.mapstruct.ap.MappingProcessor</processor>
</processors>
<options>
<mapstruct.suppressGeneratorTimestamp>true</mapstruct.suppressGeneratorTimestamp>
<mapstruct.defaultComponentModel>spring</mapstruct.defaultComponentModel>
</options>
</configuration>
<executions>
<execution>
<id>process</id>
<phase>generate-sources</phase>
<goals>
<goal>process</goal>
</goals>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>org.mapstruct</groupId>
<artifactId>mapstruct-processor</artifactId>
<version>${mapstruct.version}</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<executable>true</executable>
<jvmArguments>-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005</jvmArguments>
<arguments>
<argument>--spring.profiles.active=dev</argument>
</arguments>
</configuration>
</plugin>
<!-- jhipster-needle-maven-add-plugin -->
</plugins>
<pluginManagement>
<plugins>
<!--
This plugin's configuration is used to store Eclipse m2e settings only.
It has no influence on the Maven build itself.
Remove when the m2e plugin can correctly bind to Maven lifecycle
-->
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>org.jacoco</groupId>
<artifactId>
jacoco-maven-plugin
</artifactId>
<versionRange>
[0.7.4,)
</versionRange>
<goals>
<goal>prepare-agent</goal>
</goals>
</pluginExecutionFilter>
<action>
<ignore/>
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
<profiles>
<profile>
<id>dev</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<properties>
<!-- log configuration -->
<logback.loglevel>DEBUG</logback.loglevel>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
</dependency>
</dependencies>
</profile>
<profile>
<id>fast</id>
<properties>
<!-- log configuration -->
<logback.loglevel>DEBUG</logback.loglevel>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-undertow</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<executable>true</executable>
<arguments>
<argument>--spring.profiles.active=dev,fast</argument>
</arguments>
</configuration>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>prod</id>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>com.github.trecloux</groupId>
<artifactId>yeoman-maven-plugin</artifactId>
<version>0.4</version>
<executions>
<execution>
<id>run-frontend-build</id>
<phase>generate-resources</phase>
<goals>
<goal>build</goal>
</goals>
<configuration>
<buildTool>grunt</buildTool>
<buildArgs>build --force --no-color</buildArgs>
</configuration>
</execution>
</executions>
<configuration>
<yeomanProjectDirectory>${project.basedir}</yeomanProjectDirectory>
</configuration>
</plugin>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>2.5</version>
<configuration>
<filesets>
<fileset>
<directory>src/main/webapp/dist</directory>
</fileset>
<fileset>
<directory>.tmp</directory>
</fileset>
<fileset>
<directory>node_modules</directory>
</fileset>
</filesets>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<!-- this is set to false because of https://github.com/jhipster/generator-jhipster/issues/2225 -->
<executable>false</executable>
<arguments>
<argument>--spring.profiles.active=prod</argument>
</arguments>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<!-- log configuration -->
<logback.loglevel>INFO</logback.loglevel>
</properties>
</profile>
</profiles>
<reporting>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-report-plugin</artifactId>
<version>2.19</version>
</plugin>
</plugins>
</reporting>
您正在使用 spring-data-neo4j 版本 4.1.1.RELEASE。在您的 DatabaseConfiguration class 中，您正在扩展 Neo4jConfiguration。你的问题是，就像错误所说的那样，你想覆盖 superclass 中不存在的方法。在 SDN 的 4.1.1.RELEASE 版本中，没有名为 neo4jServer 的方法可以覆盖（此方法在 4.1.0.RELEASE 中被删除）
所以您可以做的是更改适合您正在使用的 SDN 版本的配置 - 删除 neo4jServer 方法并使用如下配置：
@Bean
public SessionFactory getSessionFactory() {
return new SessionFactory(getConfiguration(), "com.mycompany.myapp");
}
@Bean
public Neo4jOperations neo4jTemplate() throws Exception {
return new Neo4jTemplate(getSession());
}
@Bean
public org.neo4j.ogm.config.Configuration getConfiguration() {
org.neo4j.ogm.config.Configuration config = new org.neo4j.ogm.config.Configuration();
config.driverConfiguration().setDriverClassName("org.neo4j.ogm.drivers.http.driver.HttpDriver")
.setURI("http://localhost:7474")
.setCredentials("neo4j", "1234");
return config;
}
@Bean
@Scope(value = "request", proxyMode = ScopedProxyMode.TARGET_CLASS)
public Session getSession() throws Exception {
return super.getSession();
}
另一种选择（我不推荐）是将 pom.xml 中的 SDN 版本更改为
<spring-data-neo4j.version>4.0.0.RELEASE</spring-data-neo4j.version>
我想在 Neo4j 图形数据库之上开发一个 java 应用程序。 对于此应用程序，我想通过 https://github.com/jhipster/jhipster-neo4j-app/tree/2a6fa89f8c8aa13dc7ea7856b4ee521efceeb7c7
在 Github 上重用 Vlastaridis 先生的样板代码这个 Neo4j 示例是为旧 2.xx 版本的 Neo4j 开发的。我想将数据库更新到 3.xx 版本。因此，我必须更新此应用程序中的 Spring Data Neo4j 项目实施。
因此，我修改了 POM.XML 文件中的必要条目。我使用 https://github.com/neo4j-examples/movies-java-spring-data-neo4j-4 的属性和依赖项作为修改 POM.XML 文件中的示例。 据我所知，这个 top POM.XML 实现应该使用 Spring Boot 来包含所有其他依赖项，包括必要的 Spring Data Neo4j 依赖项。然而，情况似乎并非如此。 由于修改 POM.XML 我最终在 Eclipse 和 Maven 中出现错误："The method neo4jServer in the file DatabaseConfiguration.java of type DatabaseConfiguration must override or implement a supertype."
问题：如何修改样板代码中的 POM.XML 以删除错误消息？
DatabaseConfiguration.java 的实现如下所示：
package com.mycompany.myapp.config;
import org.neo4j.ogm.session.Session;
import org.neo4j.ogm.session.SessionFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.data.neo4j.config.Neo4jConfiguration;
import org.springframework.data.neo4j.repository.config.EnableNeo4jRepositories;
import org.springframework.data.neo4j.server.Neo4jServer;
import org.springframework.data.neo4j.server.RemoteServer;
import org.springframework.data.repository.query.QueryLookupStrategy;
@Configuration
@Profile("!test")
@EnableNeo4jRepositories(basePackages = "com.mycompany.myapp.repository", queryLookupStrategy = QueryLookupStrategy.Key.CREATE_IF_NOT_FOUND)
public class DatabaseConfiguration extends Neo4jConfiguration {
private final Logger log = LoggerFactory.getLogger(DatabaseConfiguration.class);
@Override
@Bean
public Neo4jServer neo4jServer() {
log.info("Initialising server connection");
return new RemoteServer("http://localhost:7474", "neo4j", "1234");
}
@Override
@Bean
public SessionFactory getSessionFactory() {
log.info("Initialising Session Factory");
return new SessionFactory("com.mycompany.myapp.domain");
}
@Override
@Bean
public Session getSession() throws Exception {
log.info("Initialising session-scoped Session Bean");
return super.getSession();
}
}
我的 POM.XML 文件看起来像这样。由于 Whosebug 的限制，我在 POM.XML.
中删除了大部分非 Neo4j 相关的属性和依赖项<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<artifactId>spring-boot-starter-parent</artifactId>
<groupId>org.springframework.boot</groupId>
<version>1.3.1.RELEASE</version>
<relativePath/>
</parent>
<groupId>com.mycompany.myapp</groupId>
<artifactId>neo4jhipster</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>neo4jhipster</name>
<repositories>
<repository>
<id>spring-milestones</id>
<url>http://repo.spring.io/milestone</url>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>spring-milestones</id>
<url>http://repo.spring.io/milestone</url>
</pluginRepository>
</pluginRepositories>
<properties>
<hikaricp.version>2.4.1</hikaricp.version>
<assertj-core.version>3.1.0</assertj-core.version>
<awaitility.version>1.4.0</awaitility.version>
<commons-io.version>2.4</commons-io.version>
<commons-lang.version>2.6</commons-lang.version>
<gatling.version>2.1.7</gatling.version>
<gatling-maven-plugin.version>2.1.7</gatling-maven-plugin.version>
<java.version>1.8</java.version>
<maven.compiler.source>${java.version}</maven.compiler.source>
<maven.compiler.target>${java.version}</maven.compiler.target>
<javax.inject.version>1</javax.inject.version>
<mapstruct.version>1.0.0.CR1</mapstruct.version>
<maven.build.timestamp.format>yyyyMMddHHmmss</maven.build.timestamp.format>
<maven-enforcer-plugin.version>1.3.1</maven-enforcer-plugin.version>
<maven-sortpom-plugin.version>2.3.0</maven-sortpom-plugin.version>
<metrics-spark-reporter.version>1.2</metrics-spark-reporter.version>
<metrics-spring.version>3.1.2</metrics-spring.version>
<run.addResources>false</run.addResources>
<spring-security.version>4.0.2.RELEASE</spring-security.version>
<springfox.version>2.0.3</springfox.version>
<!-- Sonar properties -->
<project.testresult.directory>${project.build.directory}/test-results</project.testresult.directory>
<sonar-maven-plugin.version>2.6</sonar-maven-plugin.version>
<jacoco-maven-plugin.version>0.7.4.201502262128</jacoco-maven-plugin.version>
<sonar.exclusions>src/main/webapp/assets/**/*.*, src/main/webapp/bower_components/**/*.*, src/main/webapp/dist/**/*.*</sonar.exclusions>
<sonar.java.codeCoveragePlugin>jacoco</sonar.java.codeCoveragePlugin>
<sonar.jacoco.itReportPath>${project.testresult.directory}/coverage/jacoco/jacoco-it.exec</sonar.jacoco.itReportPath>
<sonar.jacoco.reportPath>${project.testresult.directory}/coverage/jacoco/jacoco.exec</sonar.jacoco.reportPath>
<sonar.javascript.jstestdriver.reportsPath>${project.testresult.directory}/karma</sonar.javascript.jstestdriver.reportsPath>
<sonar.javascript.lcov.reportPath>${project.testresult.directory}/coverage/report-lcov/lcov.info</sonar.javascript.lcov.reportPath>
<sonar.sources>${project.basedir}/src/main/</sonar.sources>
<sonar.surefire.reportsPath>${project.testresult.directory}/surefire-reports</sonar.surefire.reportsPath>
<sonar.tests>${project.basedir}/src/test/</sonar.tests>
<neo4j.version>3.0.1</neo4j.version>
<neo4j-ogm.version>1.1.4</neo4j-ogm.version>
<!-- sdn.version veranderd door Luc van 4.0.0.RELEASE naar 4.1.1.RELEASE -->
<sdn.version>4.1.1.RELEASE</sdn.version>
<!-- Einde verandering Luc -->
<spring-data-neo4j.version>4.1.1.RELEASE</spring-data-neo4j.version>
<spring-data-releasetrain.version>Hopper-SR1</spring-data-releasetrain.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-autoconfigure</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-loader-tools</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-aop</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-logging</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-mail</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- jhipster-needle-maven-add-dependency -->
<!-- spring-data-neo4j -->
<!-- <dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
<version>${sdn.version}</version>
</dependency>
-->
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
<version>${spring-data-neo4j.version}</version>
</dependency>
<!-- test scoped beans only -->
<!-- <dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
<version>${sdn.version}</version>
<type>test-jar</type>
</dependency>
<dependency>
<groupId>org.neo4j</groupId>
<artifactId>neo4j-kernel</artifactId>
<version>${neo4j.version}</version>
<type>test-jar</type>
</dependency>
<dependency>
<groupId>org.neo4j.app</groupId>
<artifactId>neo4j-server</artifactId>
<version>${neo4j.version}</version>
<type>test-jar</type>
</dependency>
<dependency>
<groupId>org.neo4j</groupId>
<artifactId>neo4j-ogm</artifactId>
<version>${neo4j-ogm.version}</version>
<type>test-jar</type>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.neo4j.test</groupId>
<artifactId>neo4j-harness</artifactId>
<version>${neo4j.version}</version>
<scope>test</scope>
</dependency>
-->
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
<version>${spring-data-neo4j.version}</version>
<type>test-jar</type>
</dependency>
<dependency>
<groupId>org.neo4j</groupId>
<artifactId>neo4j-kernel</artifactId>
<version>${neo4j.version}</version>
<type>test-jar</type>
</dependency>
<dependency>
<groupId>org.neo4j.app</groupId>
<artifactId>neo4j-server</artifactId>
<version>${neo4j.version}</version>
<type>test-jar</type>
</dependency>
<dependency>
<groupId>org.neo4j</groupId>
<artifactId>neo4j-ogm-test</artifactId>
<version>2.0.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.neo4j.test</groupId>
<artifactId>neo4j-harness</artifactId>
<version>${neo4j.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<defaultGoal>spring-boot:run</defaultGoal>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
<includes>
<include>**/*.xml</include>
</includes>
</resource>
<resource>
<directory>src/main/resources</directory>
<filtering>false</filtering>
<excludes>
<exclude>**/*.xml</exclude>
</excludes>
</resource>
</resources>
<plugins>
<plugin>
<groupId>com.google.code.sortpom</groupId>
<artifactId>maven-sortpom-plugin</artifactId>
<version>${maven-sortpom-plugin.version}</version>
<executions>
<execution>
<phase>verify</phase>
<goals>
<goal>sort</goal>
</goals>
</execution>
</executions>
<configuration>
<sortProperties>true</sortProperties>
<nrOfIndentSpace>4</nrOfIndentSpace>
<sortDependencies>groupId,artifactId</sortDependencies>
<sortPlugins>groupId,artifactId</sortPlugins>
<keepBlankLines>true</keepBlankLines>
<expandEmptyElements>false</expandEmptyElements>
</configuration>
</plugin>
<plugin>
<groupId>io.gatling</groupId>
<artifactId>gatling-maven-plugin</artifactId>
<version>${gatling-maven-plugin.version}</version>
<configuration>
<configFolder>src/test/gatling/conf</configFolder>
<dataFolder>src/test/gatling/data</dataFolder>
<resultsFolder>target/gatling/results</resultsFolder>
<bodiesFolder>src/test/gatling/bodies</bodiesFolder>
<simulationsFolder>src/test/gatling/simulations</simulationsFolder>
<!-- This will force Gatling to ask which simulation to run
This is useful when you have multiple simulations -->
<simulationClass>*</simulationClass>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-eclipse-plugin</artifactId>
<configuration>
<downloadSources>true</downloadSources>
<downloadJavadocs>true</downloadJavadocs>
</configuration>
</plugin>
<!-- Maven plugin toevoeging Luc
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.3.9</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
Einde Maven plugin toevoeging Luc -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-enforcer-plugin</artifactId>
<version>${maven-enforcer-plugin.version}</version>
<executions>
<execution>
<id>enforce-versions</id>
<goals>
<goal>enforce</goal>
</goals>
</execution>
</executions>
<configuration>
<rules>
<requireMavenVersion>
<message>You are running an older version of Maven. JHipster requires at least Maven 3.0</message>
<version>[3.0.0,)</version>
</requireMavenVersion>
<requireJavaVersion>
<message>You are running an older version of Java. JHipster requires at least JDK ${java.version}</message>
<version>[${java.version}.0,)</version>
</requireJavaVersion>
</rules>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<argLine>-Xmx256m ${surefireArgLine}</argLine>
<!-- Force alphabetical order to have a reproducible build -->
<runOrder>alphabetical</runOrder>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<configuration>
<packagingExcludes>WEB-INF/lib/tomcat-*.jar</packagingExcludes>
</configuration>
</plugin>
<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>${jacoco-maven-plugin.version}</version>
<executions>
<execution>
<id>pre-unit-tests</id>
<goals>
<goal>prepare-agent</goal>
</goals>
<configuration>
<!-- Sets the path to the file which contains the execution data. -->
<destFile>${project.testresult.directory}/coverage/jacoco/jacoco.exec</destFile>
<!-- Sets the name of the property containing the settings for JaCoCo runtime agent. -->
<propertyName>surefireArgLine</propertyName>
</configuration>
</execution>
<!-- Ensures that the code coverage report for unit tests is created after unit tests have been run -->
<execution>
<id>post-unit-test</id>
<phase>test</phase>
<goals>
<goal>report</goal>
</goals>
<configuration>
<dataFile>${project.testresult.directory}/coverage/jacoco/jacoco.exec</dataFile>
<outputDirectory>${project.testresult.directory}/coverage/jacoco</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>sonar-maven-plugin</artifactId>
<version>${sonar-maven-plugin.version}</version>
</plugin>
<plugin>
<groupId>org.bsc.maven</groupId>
<artifactId>maven-processor-plugin</artifactId>
<version>2.2.4</version>
<configuration>
<defaultOutputDirectory>
${project.build.directory}/generated-sources
</defaultOutputDirectory>
<processors>
<processor>org.mapstruct.ap.MappingProcessor</processor>
</processors>
<options>
<mapstruct.suppressGeneratorTimestamp>true</mapstruct.suppressGeneratorTimestamp>
<mapstruct.defaultComponentModel>spring</mapstruct.defaultComponentModel>
</options>
</configuration>
<executions>
<execution>
<id>process</id>
<phase>generate-sources</phase>
<goals>
<goal>process</goal>
</goals>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>org.mapstruct</groupId>
<artifactId>mapstruct-processor</artifactId>
<version>${mapstruct.version}</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<executable>true</executable>
<jvmArguments>-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005</jvmArguments>
<arguments>
<argument>--spring.profiles.active=dev</argument>
</arguments>
</configuration>
</plugin>
<!-- jhipster-needle-maven-add-plugin -->
</plugins>
<pluginManagement>
<plugins>
<!--
This plugin's configuration is used to store Eclipse m2e settings only.
It has no influence on the Maven build itself.
Remove when the m2e plugin can correctly bind to Maven lifecycle
-->
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>org.jacoco</groupId>
<artifactId>
jacoco-maven-plugin
</artifactId>
<versionRange>
[0.7.4,)
</versionRange>
<goals>
<goal>prepare-agent</goal>
</goals>
</pluginExecutionFilter>
<action>
<ignore/>
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
<profiles>
<profile>
<id>dev</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<properties>
<!-- log configuration -->
<logback.loglevel>DEBUG</logback.loglevel>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
</dependency>
</dependencies>
</profile>
<profile>
<id>fast</id>
<properties>
<!-- log configuration -->
<logback.loglevel>DEBUG</logback.loglevel>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-undertow</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<executable>true</executable>
<arguments>
<argument>--spring.profiles.active=dev,fast</argument>
</arguments>
</configuration>
</plugin>
</plugins>
</build>
</profile>
<profile>
<id>prod</id>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>com.github.trecloux</groupId>
<artifactId>yeoman-maven-plugin</artifactId>
<version>0.4</version>
<executions>
<execution>
<id>run-frontend-build</id>
<phase>generate-resources</phase>
<goals>
<goal>build</goal>
</goals>
<configuration>
<buildTool>grunt</buildTool>
<buildArgs>build --force --no-color</buildArgs>
</configuration>
</execution>
</executions>
<configuration>
<yeomanProjectDirectory>${project.basedir}</yeomanProjectDirectory>
</configuration>
</plugin>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>2.5</version>
<configuration>
<filesets>
<fileset>
<directory>src/main/webapp/dist</directory>
</fileset>
<fileset>
<directory>.tmp</directory>
</fileset>
<fileset>
<directory>node_modules</directory>
</fileset>
</filesets>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<!-- this is set to false because of https://github.com/jhipster/generator-jhipster/issues/2225 -->
<executable>false</executable>
<arguments>
<argument>--spring.profiles.active=prod</argument>
</arguments>
</configuration>
</plugin>
</plugins>
</build>
<properties>
<!-- log configuration -->
<logback.loglevel>INFO</logback.loglevel>
</properties>
</profile>
</profiles>
<reporting>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-report-plugin</artifactId>
<version>2.19</version>
</plugin>
</plugins>
</reporting>
您正在使用 spring-data-neo4j 版本 4.1.1.RELEASE。在您的 DatabaseConfiguration class 中，您正在扩展 Neo4jConfiguration。你的问题是，就像错误所说的那样，你想覆盖 superclass 中不存在的方法。在 SDN 的 4.1.1.RELEASE 版本中，没有名为 neo4jServer 的方法可以覆盖（此方法在 4.1.0.RELEASE 中被删除）
所以您可以做的是更改适合您正在使用的 SDN 版本的配置 - 删除 neo4jServer 方法并使用如下配置：
@Bean
public SessionFactory getSessionFactory() {
return new SessionFactory(getConfiguration(), "com.mycompany.myapp");
}
@Bean
public Neo4jOperations neo4jTemplate() throws Exception {
return new Neo4jTemplate(getSession());
}
@Bean
public org.neo4j.ogm.config.Configuration getConfiguration() {
org.neo4j.ogm.config.Configuration config = new org.neo4j.ogm.config.Configuration();
config.driverConfiguration().setDriverClassName("org.neo4j.ogm.drivers.http.driver.HttpDriver")
.setURI("http://localhost:7474")
.setCredentials("neo4j", "1234");
return config;
}
@Bean
@Scope(value = "request", proxyMode = ScopedProxyMode.TARGET_CLASS)
public Session getSession() throws Exception {
return super.getSession();
}
另一种选择（我不推荐）是将 pom.xml 中的 SDN 版本更改为
<spring-data-neo4j.version>4.0.0.RELEASE</spring-data-neo4j.version>