通过代理用户连接到Oracle数据库，有没有一种方法可以让我真正的代理客户端？
<Error> <HTTP> <AdminServer> <[ACTIVE] ExecuteThread: '10' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <f21f82c8-a7fe-4d00-9ead-58094613f623-00000045> <1513072074680> <[severity-value: 8] [rid: 0] [partition-id: 0] [partition-name: DOMAIN] > <BEA-101020> <[ServletContext@715231355[app:testCMS module:testCMS.war path:null spec-version:3.1]] Servlet failed with an Exception
java.lang.NullPointerException
at weblogic.servlet.internal.ServletRequestImpl$CookieKey.hashCode(ServletRequestImpl.java:2084)
at java.util.HashMap.hash(HashMap.java:338)
at java.util.HashMap.get(HashMap.java:556)
at weblogic.servlet.internal.ServletRequestImpl$SessionHelper.getSessionIDFromMap(ServletRequestImpl.java:2819)
at weblogic.servlet.internal.ServletRequestImpl$SessionHelper._getSessionInternal(ServletRequestImpl.java:2902)
at weblogic.servlet.internal.ServletRequestImpl$SessionHelper.getSessionInternal(ServletRequestImpl.java:2869)
at weblogic.servlet.internal.ServletRequestImpl$SessionHelper.getSession(ServletRequestImpl.java:2859)
at weblogic.servlet.internal.ServletRequestImpl.getSession(ServletRequestImpl.java:1513)
at weblogic.servlet.internal.ServletResponseImpl.encodeURL(ServletResponseImpl.java:690)
at weblogic.servlet.internal.ServletResponseImpl.encodeRedirectURL(ServletResponseImpl.java:673)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2226)
at weblogic.servlet.internal.ServletRequestImpl.runInternal(ServletRequestImpl.java:1691)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1651)
at weblogic.servlet.provider.ContainerSupportProviderImpl$WlsRequestExecutor.run(ContainerSupportProviderImpl.java:270)
at weblogic.invocation.ComponentInvocationContextManager._runAs(ComponentInvocationContextManager.java:348)
at weblogic.invocation.ComponentInvocationContextManager.runAs(ComponentInvocationContextManager.java:333)
at weblogic.work.LivePartitionUtility.doRunWorkUnderContext(LivePartitionUtility.java:54)
at weblogic.work.PartitionUtility.runWorkUnderContext(PartitionUtility.java:41)
at weblogic.work.SelfTuningWorkManagerImpl.runWorkUnderContext(SelfTuningWorkManagerImpl.java:640)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:406)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:346)
调查Connection jdbcConnection = DatasourceUtil.getPoolJdbcConnection();
以某种方式我可以找到proxyClientName属性，但不知道如何才能真正获得该属性。