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This portlet is unavailable. If the problem persists, please contact the portal admini
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| I have tested IBM Alert Portlet in WSAD 5.1.2 with Websphere Portal V5.0 Test Environment.
But whenever i install this Alert Portlet on Websphere portal server 5.0,and include these portlets(Alert Generator and Alert Viewer), it throws error on page.
This portlet is unavailable. If the problem persists, please contact the portal administrator.
WPS Log:
Nested Exception is com.ibm.ws.webcontainer.servlet.LoadTargetServletFailure: Failed to load target servlet [Alert Generator]
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo. calculateInfo(WebAppRequestDispatcherInf
o.java:216)
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.<init>(WebAppRequestDispatcherInfo.java:59)
at com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1435)
at com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1397)
at com.ibm.wps.pe.om.definition.impl.ServletDefinitionImpl. getRequestDispatcher(ServletDefinitionIm
pl.java:157)....
............
SystemOut Log:
java.lang.LinkageError: Class org/apache/jetspeed/portlet/Portlet violates loader constraints: definition mismatch between parent and child loaders
at org.apache.jetspeed.portlet.Portlet.init(Portlet.java:442)
at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doInit(StrictServletInstance.java:82)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._init(StrictLifecycleServlet.java:147)
at com.ibm.ws.webcontainer.servlet.PreInitializedServletState.init(StrictLifecycleServlet.java:270)
at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.init(StrictLifecycleServlet.java:113)
at com.ibm.ws.webcontainer.servlet.ServletInstance.init(ServletInstance.java:189)....
.............
Can anybody please suggest what went wrong.
Thanks in advance..
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| Alison Swift 2005-07-20, 8:13 am |
| I have had the same problem- portlet works fine in development environment, but on server it fails. Did you resolve this problem?
Apologies for level of detail, here are parts of the stack trace:
##
2005.07.20 12:53:41.625 E com.ibm.wps.pe.pc.legacy.PortletContainerImpl initPage
PEPC1023E: Portlet com.ibm.wps.pe.om.window.impl.PortletWindowImpl@120700af could not be logged in. - StackTrace follows...
2005.07.20 12:53:41.625 E com.ibm.wps.pe.pc.legacy.PortletContainerImpl initPage
javax.portlet.PortletException
at com.ibm.wps.pe.pc.legacy.PortletContainerImpl.callPortletMethod(PortletContainerImpl.java(Compiled Code))
at com.ibm.wps.pe.pc.legacy.PortletContainerImpl.initPage(PortletContainerImpl.java(Compiled Code))
at
##
2005.07.20 12:53:41.627 E com.ibm.wps.pe.pc.legacy.PortletContainerImpl initPage
PEPC1024E: Portlet com.ibm.wps.pe.om.window.impl.PortletWindowImpl@120700af failed in method beginPage. - StackTrace follows...
##
2005.07.20 12:53:41.627 E com.ibm.wps.pe.pc.legacy.PortletContainerImpl initPage
javax.portlet.PortletException
at com.ibm.wps.pe.pc.legacy.PortletContainerImpl.callPortletMethod(PortletContainerImpl.java(Compiled Code))
at com.ibm.wps.pe.pc.legacy.PortletContainerImpl.initPage(PortletContainerImpl.java(Compiled Code))
at
##
2005.07.20 12:53:41.643 E com.ibm.wps.engine.tags.PortletRenderTag doStartTag
FWEN0066E: The portlet could not be rendered. - StackTrace follows...
##
Nested Exception is com.ibm.ws.webcontainer.servlet.LoadTargetServletFailure: Failed to load target servlet [ESSearchPortlet]
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo. calculateInfo(WebAppRequestDispatcherInf
o.java(Compiled Code))
at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.<init>(WebAppRequestDispatcherInfo.java(Inlined Compiled Code))
at etcetera etcetera
##
2005.07.20 12:53:41.643 E com.ibm.wps.engine.tags.PortletRenderTag doStartTag
javax.portlet.PortletException
at com.ibm.wps.pe.pc.legacy.PortletContainerImpl.callPortletMethod(PortletContainerImpl.java(Compiled Code))
at com.ibm.wps.pe.pc.legacy.PortletContainerImpl.renderPortlet(PortletContainerImpl.java(Compiled Code))
at com.ibm.wps.pe.pc.PortletContainerImpl.doRenderPortlet(PortletContainerImpl.java(Compiled Code))
at com.ibm.wps.pe.ext.ppr.ParallelRenderManager.performService(ParallelRenderManager.java(Compiled Code))
at .... etcetera etcetera |
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