'Error during the processAction phase: java.lang.NullPointerException' when accessing Pages Management portlet in JPP 6.0

Solution Verified - Updated -

Issue

When we access the Page Management portlet in JPP 6.0 and try to scroll down to list all the pages, we have the following NullPointerException being thrown:

ERROR [portal:UIPortalApplication] (host/ip:8080) Error during the processAction phase: java.lang.NullPointerException
    at org.exoplatform.portal.webui.page.PageModel.<init>(PageModel.java:40) [exo.portal.webui.portal-3.5.2.Final-redhat-4-BZ-977759.jar:3.5.2.Final-redhat-4-BZ-977759]
    at org.exoplatform.portal.webui.page.PageIterator.next(PageIterator.java:94) [exo.portal.webui.portal-3.5.2.Final-redhat-4-BZ-977759.jar:3.5.2.Final-redhat-4-BZ-977759]
    at org.exoplatform.portal.webui.page.PageIterator.next(PageIterator.java:37) [exo.portal.webui.portal-3.5.2.Final-redhat-4-BZ-977759.jar:3.5.2.Final-redhat-4-BZ-977759]
....
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155) [jbossweb-7.0.17.Final-redhat-1-JBPAPP6-1709.jar:]
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.17.Final-redhat-1-JBPAPP6-1709.jar:]
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.17.Final-redhat-1-JBPAPP6-1709.jar:]
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:372) [jbossweb-7.0.17.Final-redhat-1-JBPAPP6-1709.jar:]
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [jbossweb-7.0.17.Final-redhat-1-JBPAPP6-1709.jar:]
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:679) [jbossweb-7.0.17.Final-redhat-1-JBPAPP6-1709.jar:]
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:931) [jbossweb-7.0.17.Final-redhat-1-JBPAPP6-1709.jar:]
    at java.lang.Thread.run(Thread.java:724) [rt.jar:1.7.0_25]

Environment

  • Red Hat JBoss Portal Platform (JPP)
    • 6.0

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