Legacy JSF pages in JON UI fail with a NullPointerException indicating: Redirected back to ourselves
Issue
- java.lang.NullPointerException when open graphs in the monitoring resources
-
An Error Occurred:
java.lang.NullPointerException + Stack Trace + Component Tree + Scoped Variables ERROR [org.rhq.enterprise.gui.common.framework.FaceletRedirectionViewHandler] Redirected back to ourselves, there must be a problem with the error.xhtml page java.lang.NullPointerException [facelets.viewhandler] Error Rendering View[/rhq/common/error.xhtml] java.lang.NullPointerException -
Server log contains the following error:
ERROR [org.rhq.enterprise.gui.common.framework.FaceletRedirectionViewHandler] Redirected back to ourselves, there must be a problem with the error.xhtml page java.lang.NullPointerException at com.sun.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:49) at com.sun.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:25) at com.sun.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:95) at com.sun.facelets.FaceletViewHandler.buildView(FaceletViewHandler.java:524) at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:567) at org.rhq.enterprise.gui.common.framework.FaceletRedirectionViewHandler.renderView(FaceletRedirectionViewHandler.java:64) ... ERROR [facelets.viewhandler] Error Rendering View[/rhq/common/error.xhtml] -
Graphs are not being displayed
- Administration topology pages fail to display
Environment
- Red Hat JBoss Operations Network (ON) 3.1.2
- Attempting to view a page in the user interface (UI) which uses the legacy Java Server Faces (JSF) implementation.
- This includes:
- monitoring graphs displayed on resource pages
- topology pages available under server administration
- This includes:
- The following directory exists and the user running the JBoss ON server does not have read or access permissions:
${RHQ_SERVER_HOME}/jbossas/server/default/deploy/jboss-web.deployer/ROOT.war/META-INF
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