portal迁移后，点击管理，portlet管理，portlet此 portlet 暂时被禁用。
EJPAQ9400E: struts 中发生内部异常。
查看详细信息com.ibm.portal.WpsException: EJPAQ9400E: Internal exception in struts.
at com.ibm.wps.portlets.portletmanager.actions.UnknownErrorAction.execute(UnknownErrorAction.java:188)
at com.ibm.wps.portlets.struts.WpsRequestProcessor.processActionPerform(WpsRequestProcessor.java:355)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
at com.ibm.wps.portlets.struts.WpsRequestProcessor.processNewActionUri(WpsRequestProcessor.java:943)
at com.ibm.wps.portlets.struts.WpsStrutsUtil.createViewCommand(WpsStrutsUtil.java:830)
at com.ibm.wps.portlets.struts.WpsStrutsUtil.processException(WpsStrutsUtil.java:2726)
at com.ibm.wps.portlets.struts.WpsStrutsUtil.executeCommand(WpsStrutsUtil.java:1450)
at com.ibm.wps.portlets.struts.WpsStrutsUtil.executeCommand(WpsStrutsUtil.java:1334)
at com.ibm.wps.portlets.struts.WpsStrutsUtil.executeSavedCommand(WpsStrutsUtil.java:1252)
后台异常信息：Caused by: java.lang.ClassNotFoundException: com.ibm.wps.command.plm.QueryPLMCommand at java.net.URLClassLoader.findClass(URLClassLoader.java:496) at com.ibm.ws.bootstrap.ExtClassLoader.findClass(ExtClassLoader.java:132) at java.lang.ClassLoader.loadClass(ClassLoader.java:631) at com.ibm.ws.bootstrap.ExtClassLoader.loadClass(ExtClassLoader.java:87) at java.lang.ClassLoader.loadClass(ClassLoader.java:597) at com.ibm.ws.classloader.ProtectionClassLoader.loadClass(ProtectionClassLoader.java:58) at com.ibm.ws.classloader.ProtectionClassLoader.loadClass(ProtectionClassLoader.java:54) at com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java:402) at java.lang.ClassLoader.loadClass(ClassLoader.java:597) at com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java:402) at java.lang.ClassLoader.loadClass(ClassLoader.java:597) at com.ibm.ws.classloader.CompoundClassLoader.loadClass(CompoundClassLoader.java:402) at java.lang.ClassLoader.loadClass(ClassLoader.java:597) ... 216 more
谁能告诉我为什么？
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