在 IBM WebSphere 中创建数据源时出现 NullPointerException

Question

我正在尝试为 IBM WebSphere 上的 OJDBC 创建数据源，当我尝试测试连接时，出现如下所示的错误：我已经仔细检查以确保在设置时所有输入都正确填写。

00000100 DataSourceCon E   DSRA8040I: Failed to connect to the DataSource "".  Encountered java.lang.NullPointerException
    at oracle.jdbc.pool.OracleConnectionPoolDataSource.getPooledConnection(OracleConnectionPoolDataSource.java:77)
    at com.ibm.ws.rsadapter.DSConfigHelper.run(DSConfigHelper.java:1273)
    at com.ibm.ws.security.auth.ContextManagerImpl.runAs(ContextManagerImpl.java:5486)
    at com.ibm.ws.security.auth.ContextManagerImpl.runAsSystem(ContextManagerImpl.java:5612)
    at com.ibm.ws.security.core.SecurityContext.runAsSystem(SecurityContext.java:255)
    at com.ibm.ws.rsadapter.spi.ServerFunction.run(ServerFunction.java:567)
    at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java:118)
    at com.ibm.ws.rsadapter.DSConfigHelper.getPooledConnection(DSConfigHelper.java:1288)
    at com.ibm.ws.rsadapter.DSConfigHelper.getPooledConnection(DSConfigHelper.java:1196)
    at com.ibm.ws.rsadapter.DSConfigurationHelper.getConnectionFromDSOrPooledDS(DSConfigurationHelper.java:2076)
    at com.ibm.ws.rsadapter.DSConfigurationHelper.getConnectionFromDSOrPooledDS(DSConfigurationHelper.java:1952)
    at com.ibm.ws.rsadapter.DSConfigurationHelper.testConnectionForGUI(DSConfigurationHelper.java:2820)
    at sun.reflect.GeneratedMethodAccessor465.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:56)
    at java.lang.reflect.Method.invoke(Method.java:620)
    at com.ibm.ws.management.DataSourceConfigHelperMBean.testConnectionToDataSource2(DataSourceConfigHelperMBean.java:556)
    at com.ibm.ws.management.DataSourceConfigHelperMBean.testConnection(DataSourceConfigHelperMBean.java:484)
    at sun.reflect.GeneratedMethodAccessor463.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:56)
    at java.lang.reflect.Method.invoke(Method.java:620)
    at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:88)
    at sun.reflect.GeneratedMethodAccessor62.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:56)
    at java.lang.reflect.Method.invoke(Method.java:620)
    at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:292)
    at javax.management.modelmbean.RequiredModelMBean.run(RequiredModelMBean.java:1261)
    at java.security.AccessController.doPrivileged(AccessController.java:422)
    at java.security.ProtectionDomain.doIntersectionPrivilege(ProtectionDomain.java:88)
    at javax.management.modelmbean.RequiredModelMBean.invokeMethod(RequiredModelMBean.java:1255)
    at javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:1093)
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:832)
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:814)
    at com.ibm.ws.management.AdminServiceImpl.run(AdminServiceImpl.java:1350)
    at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java:118)
    at com.ibm.ws.management.AdminServiceImpl.invoke(AdminServiceImpl.java:1243)
    at com.ibm.ws.management.connector.AdminServiceDelegator.invoke(AdminServiceDelegator.java:181)
    at com.ibm.ws.management.connector.ipc.CallRouter.route(CallRouter.java:247)
    at com.ibm.ws.management.connector.ipc.IPCConnectorInboundLink.doWork(IPCConnectorInboundLink.java:360)
    at com.ibm.ws.management.connector.ipc.IPCConnectorInboundLink$IPCConnectorReadCallback.complete(IPCConnectorInboundLink.java:602)
    at com.ibm.ws.ssl.channel.impl.SSLReadServiceContext$QueuedWork.run(SSLReadServiceContext.java:1987)
    at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1892)

如果有人能为我提供一些帮助并让我知道导致此错误的原因，我将不胜感激。

谢谢！

Answer 1

首先，我会尝试重新启动您的服务器，看看是否可以解决测试连接问题。否则，您的配置似乎有问题。下面link列出了一些在测试连接时可能导致空指针异常的配置问题：

http://www-01.ibm.com/support/docview.wss?uid=swg21177990

在 IBM WebSphere 中创建数据源时出现 NullPointerException

NullPointerException while creating Data source in IBM WebSphere

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