我正在尝试从rational应用程序开发人员启动我的websphere传统应用程序服务器。在第一次服务器正常启动，但在停止它并在第二天再次启动它后，它给管理员异常:空指针异常在控制台
[12/7/22 14:47:15:934 IST] 00000001 SystemErr R com.ibm.websphere.management.exception.AdminException: java.lang.NullPointerException
[12/7/22 14:47:15:935 IST] 00000001 SystemErr R at com.ibm.ws.management.MBeanFactoryImpl.deactivateMBean(MBeanFactoryImpl.java:1168)
[12/7/22 14:47:15:935 IST] 00000001 SystemErr R at com.ibm.ws.batch.endpointsensor.BatchSensorComponent.destroy(BatchSensorComponent.java:100)
[12/7/22 14:47:15:935 IST] 00000001 SystemErr R at com.ibm.ws.runtime.component.ContainerHelper.destroyComponent(ContainerHelper.java:341)
[12/7/22 14:47:15:935 IST] 00000001 SystemErr R at com.ibm.ws.runtime.component.ContainerHelper.destroyComponents(ContainerHelper.java:325)
[12/7/22 14:47:15:935 IST] 00000001 SystemErr R at com.ibm.ws.runtime.component.ContainerImpl.destroyComponents(ContainerImpl.java:607)
[12/7/22 14:47:15:935 IST] 00000001 SystemErr R at com.ibm.ws.runtime.component.ContainerImpl.destroy(ContainerImpl.java:598)
[12/7/22 14:47:15:935 IST] 00000001 SystemErr R at com.ibm.ws.runtime.component.ServerImpl.destroy(ServerImpl.java:501)
[12/7/22 14:47:15:935 IST] 00000001 SystemErr R at com.ibm.ws.runtime.WsServerImpl.bootServerContainer(WsServerImpl.java:334)
[12/7/22 14:47:15:936 IST] 00000001 SystemErr R at com.ibm.ws.runtime.WsServerImpl.start(WsServerImpl.java:238)
[12/7/22 14:47:15:936 IST] 00000001 SystemErr R at com.ibm.ws.runtime.WsServerImpl.main(WsServerImpl.java:711)
[12/7/22 14:47:15:936 IST] 00000001 SystemErr R at com.ibm.ws.runtime.WsServer.main(WsServer.java:59)
[12/7/22 14:47:15:936 IST] 00000001 SystemErr R at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[12/7/22 14:47:15:936 IST] 00000001 SystemErr R at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:90)
[12/7/22 14:47:15:936 IST] 00000001 SystemErr R at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
[12/7/22 14:47:15:936 IST] 00000001 SystemErr R at java.lang.reflect.Method.invoke(Method.java:508)
[12/7/22 14:47:15:936 IST] 00000001 SystemErr R at com.ibm.wsspi.bootstrap.WSLauncher.launchMain(WSLauncher.java:234)
[12/7/22 14:47:15:936 IST] 00000001 SystemErr R at com.ibm.wsspi.bootstrap.WSLauncher.main(WSLauncher.java:101)
[12/7/22 14:47:15:936 IST] 00000001 SystemErr R at com.ibm.wsspi.bootstrap.WSLauncher.run(WSLauncher.java:82)
[12/7/22 14:47:15:937 IST] 00000001 SystemErr R at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[12/7/22 14:47:15:937 IST] 00000001 SystemErr R at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:90)
[12/7/22 14:47:15:937 IST] 00000001 SystemErr R at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
[12/7/22 14:47:15:937 IST] 00000001 SystemErr R at java.lang.reflect.Method.invoke(Method.java:508)
[12/7/22 14:47:15:937 IST] 00000001 SystemErr R at org.eclipse.equinox.internal.app.EclipseAppContainer.callMethodWithException(EclipseAppContainer.java:587)
[12/7/22 14:47:15:937 IST] 00000001 SystemErr R at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:198)
[12/7/22 14:47:15:937 IST] 00000001 SystemErr R at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
[12/7/22 14:47:15:937 IST] 00000001 SystemErr R at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
[12/7/22 14:47:15:937 IST] 00000001 SystemErr R at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:354)
[12/7/22 14:47:15:937 IST] 00000001 SystemErr R at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181)
[12/7/22 14:47:15:937 IST] 00000001 SystemErr R at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[12/7/22 14:47:15:938 IST] 00000001 SystemErr R at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:90)
[12/7/22 14:47:15:938 IST] 00000001 SystemErr R at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
[12/7/22 14:47:15:938 IST] 00000001 SystemErr R at java.lang.reflect.Method.invoke(Method.java:508)
[12/7/22 14:47:15:938 IST] 00000001 SystemErr R at org.eclipse.core.launcher.Main.invokeFramework(Main.java:340)
[12/7/22 14:47:15:939 IST] 00000001 SystemErr R at org.eclipse.core.launcher.Main.basicRun(Main.java:282)
[12/7/22 14:47:15:939 IST] 00000001 SystemErr R at org.eclipse.core.launcher.Main.run(Main.java:981)
[12/7/22 14:47:15:939 IST] 00000001 SystemErr R at com.ibm.wsspi.bootstrap.WSPreLauncher.launchEclipse(WSPreLauncher.java:423)
[12/7/22 14:47:15:939 IST] 00000001 SystemErr R at com.ibm.wsspi.bootstrap.WSPreLauncher.main(WSPreLauncher.java:180)
[12/7/22 14:47:15:939 IST] 00000001 SystemErr R Caused by: java.lang.NullPointerException
[12/7/22 14:47:15:939 IST] 00000001 SystemErr R at com.ibm.ws.management.MBeanFactoryImpl.deactivateMBean(MBeanFactoryImpl.java:1141)
[12/7/22 14:47:15:940 IST] 00000001 SystemErr R ... 36 more
我对这个完全陌生，谁能解释一下有什么问题，因为它以前工作得很好。
在我的例子中，问题似乎是我已经更改了JAVA_HOME和EXE4J_JAVA_HOME环境变量。一旦我把它们放回原来的值并重新启动我的电脑，我高兴地再次看到消息Server server1 open for e-business