在IBM WebSphere中創建數據源時出現NullPointerException

Question

我正嘗試在IBM WebSphere上創建OJDBC的數據源，並且當我嘗試測試連接時，出現如下錯誤： 我已經加倍檢查以確保所有輸入在設置時都會正確填充。

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$1.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$6.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$4.run(RequiredModelMBean.java:1261) 
    at java.security.AccessController.doPrivileged(AccessController.java:422) 
    at java.security.ProtectionDomain$1.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$1.run(AdminServiceImpl.java:1350) 
    at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java:118) 
    at com.ibm.ws.management.AdminServiceImpl.invoke(AdminServiceImpl.java:1243) 
    at com.ibm.ws.management.connector.AdminServiceDelegator.invoke(AdminServiceDelegator.java:181) 
    at com.ibm.ws.management.connector.ipc.CallRouter.route(CallRouter.java:247) 
    at com.ibm.ws.management.connector.ipc.IPCConnectorInboundLink.doWork(IPCConnectorInboundLink.java:360) 
    at com.ibm.ws.management.connector.ipc.IPCConnectorInboundLink$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) 

我將不勝感激，如果任何人都可以提供我一些幫助，並讓我知道是什麼導致這個錯誤。

謝謝！

Answer 1

首先，我會嘗試重新啓動服務器以查看是否解析測試連接。否則，你的配置看起來可能不正確。點擊以下鏈接測試連接中列出了一些配置問題，可導致空指針異常：

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