[gatein-issues] [JBoss JIRA] (GTNPORTAL-3156) NullPointerException when rendering portlet in method UIPortlet.getSuitedTheme()
RH Bugzilla Integration (JIRA)
jira-events at lists.jboss.org
Thu Aug 15 03:12:26 EDT 2013
[ https://issues.jboss.org/browse/GTNPORTAL-3156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
RH Bugzilla Integration updated GTNPORTAL-3156:
-----------------------------------------------
Bugzilla Update: Perform
Bugzilla References: https://bugzilla.redhat.com/show_bug.cgi?id=984405
> NullPointerException when rendering portlet in method UIPortlet.getSuitedTheme()
> --------------------------------------------------------------------------------
>
> Key: GTNPORTAL-3156
> URL: https://issues.jboss.org/browse/GTNPORTAL-3156
> Project: GateIn Portal
> Issue Type: Feature Request
> Security Level: Public(Everyone can see)
> Components: Common integration, WebUI
> Affects Versions: 3.5.3.Final
> Environment: RHEL 5.9 64bits, Oracle/Sun jdk 1.7.0
> Reporter: Regis Mazur
> Priority: Minor
> Fix For: 3.5.3.Final
>
>
> During rendering of portal page an NPE error occurred when the portlet uicomponent try to retrieve theme (UIPortlet.getSuitedTheme() method).
> It can sometimes be reproduced when there are concurrent navigation requests (click around on the nav menu without waiting for a response).
> After investigation, it seems that the uicomponent tree is broken in this case and UIPortalApplication (null in this case) cannot be retrieve via the getAncestorOfType(UIPortalApplication.class) method.
> If you look at the content of uicomponent tree (see the "Expected results" and "Actual results"), you will see that standard portal uicomponent(UIPageBody,UIPortal,UISiteBody,UIViewWS,UIWorkingWorkspace,UIPortalApplication) are not in the tree.
> We reproduced the case in dev environment when there are concurrent navigation requests (click around around the nav menu without waiting for a response).
> It seems to be a concurrency issue in the portal itself.
> For the moment we fix the NPE in the UIPortlet.gtmpl (By retrieving the UIPortalApplication from the RequestContext instead of parsing the full uicomponent tree) but we don't fix the root cause and the possible side effects.
> Version-Release number of selected component (if applicable):
> GateIn 3.5.2.Final-redhat-4
> How reproducible:
> Not always. Mostly while testing within customer test environment where deployed portlets model is more significant in term of size and complexity.
> Steps to Reproduce:
> Actually we tried but we can't reproduce it locally using JSF2.1 Quickstart portlet calling same portlet tree. This only happens when using "full" application which has a lot of other dependencies.
> 1.
> 2.
> 3.
> Actual results:
> 16:33:10,614 INFO [stdout] (http-localhost/127.0.0.1:8080-5) Looking for UIPortalApplication parent
> 16:33:10,614 INFO [stdout] (http-localhost/127.0.0.1:8080-5) parent : null - id : queries
> 16:33:10,614 INFO [stdout] (http-localhost/127.0.0.1:8080-5) parent : null - id : row1
> 16:33:10,614 INFO [stdout] (http-localhost/127.0.0.1:8080-5) parent : pp_portal_Dashboard - id : pp_portal_Dashboard
> 16:33:10,614 INFO [stdout] (http-localhost/127.0.0.1:8080-5) parent : pp_portal_Dashboard - id : 22572705
> 16:34:11,868 INFO [stdout] (http-localhost/127.0.0.1:8080-5) Looking for UIPortalApplication parent
> 16:34:11,868 INFO [stdout] (http-localhost/127.0.0.1:8080-5) parent : null - id : activities
> 16:34:11,868 INFO [stdout] (http-localhost/127.0.0.1:8080-5) parent : null - id : row2
> 16:34:11,868 INFO [stdout] (http-localhost/127.0.0.1:8080-5) parent : pp_portal_Dashboard - id : pp_portal_Dashboard
> 16:34:11,868 INFO [stdout] (http-localhost/127.0.0.1:8080-5) parent : pp_portal_Dashboard - id : 22572705
> 16:34:28,807 INFO [stdout] (http-localhost/127.0.0.1:8080-5) Looking for UIPortalApplication parent
> 16:34:28,807 INFO [stdout] (http-localhost/127.0.0.1:8080-5) parent : null - id : news
> 16:34:28,807 INFO [stdout] (http-localhost/127.0.0.1:8080-5) parent : null - id : row2
> 16:34:28,807 INFO [stdout] (http-localhost/127.0.0.1:8080-5) parent : pp_portal_Dashboard - id : pp_portal_Dashboard
> 16:34:28,807 INFO [stdout] (http-localhost/127.0.0.1:8080-5) parent : pp_portal_Dashboard - id : 22572705
> Expected results:
> 16:32:56,597 INFO [stdout] (http-localhost/127.0.0.1:8080-3) Looking for UIPortalApplication parent
> 16:32:56,597 INFO [stdout] (http-localhost/127.0.0.1:8080-3) parent : null - id : tasks
> 16:32:56,597 INFO [stdout] (http-localhost/127.0.0.1:8080-3) parent : null - id : row1
> 16:32:56,597 INFO [stdout] (http-localhost/127.0.0.1:8080-3) parent : pp_portal_Dashboard - id : pp_portal_Dashboard
> 16:32:56,597 INFO [stdout] (http-localhost/127.0.0.1:8080-3) parent : pp_portal_Dashboard - id : 22572705
> 16:32:56,597 INFO [stdout] (http-localhost/127.0.0.1:8080-3) parent : UIPageBody - id : UIPageBody
> 16:32:56,597 INFO [stdout] (http-localhost/127.0.0.1:8080-3) parent : clearstream - id : UIPortal
> 16:32:56,597 INFO [stdout] (http-localhost/127.0.0.1:8080-3) parent : UISiteBody - id : UISiteBody
> 16:32:56,597 INFO [stdout] (http-localhost/127.0.0.1:8080-3) parent : null - id : 17689309
> 16:32:56,598 INFO [stdout] (http-localhost/127.0.0.1:8080-3) parent : UIComponentDecorator - id : UIViewWS
> 16:32:56,598 INFO [stdout] (http-localhost/127.0.0.1:8080-3) parent : UIWorkingWorkspace - id : UIWorkingWorkspace
> 16:32:56,598 INFO [stdout] (http-localhost/127.0.0.1:8080-3) parent : UIPortalApplication - id : UIPortalApplication
> 16:32:56,598 INFO [stdout] (http-localhost/127.0.0.1:8080-3) parent found : UIPortalApplication - id : UIPortalApplication
> Additional info:
> We think this caused by uiPortal.getAncestorOfType(UIPortalApplication.class) from UIComponent class which can't get the parent.
> We've got an actual proposed solution which is to use Util.getUIPortalApplication() instead to get the same thing (getSkin).
> Here is below the code snippet used:
> -----------------------
> String theme = null;
>
> try{
> theme = uicomponent.getSuitedTheme(null);
> } catch (RuntimeException e) {
> Map<String, String> themeMap = uicomponent.stringToThemeMap(uicomponent.getTheme());
> if (themeMap.containsKey(uiPortalApp.getSkin())) {
> theme = themeMap.get(uiPortalApp.getSkin());
> }
> else theme= uicomponent.DEFAULT_THEME.split(":")[1];
> }
> ----------------------
> While doing some searches, we found out Exo people have also used similar approach (refer to URL link below).
> http://lists.jboss.org/pipermail/gatein-commits/2010-November/005095.html
> Within Server.log we've got:
> Caused by: java.lang.NullPointerException
> at org.exoplatform.portal.webui.application.UIPortlet.getSuitedTheme(UIPortlet.java:270) [exo.portal.webui.portal-3.5.2.Final-redhat-4.jar:3.5.2.Final-redhat-4]
> at sun.reflect.GeneratedMethodAccessor1549.invoke(Unknown Source) [:1.7.0_06]
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_06]
> at java.lang.reflect.Method.invoke(Method.java:601) [rt.jar:1.7.0_06]
> at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoCachedMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java:229) [groovy-all-1.7.6.jar:1.7.6]
> at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:52) [groovy-all-1.7.6.jar:1.7.6]
> at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:124) [groovy-all-1.7.6.jar:1.7.6]
> at UIPortlet.run(UIPortlet.gtmpl:96) at org.exoplatform.groovyscript.GroovyScript.render(GroovyScript.java:99) [exo.portal.component.scripting-3.5.2.Final-redhat-4.jar:3.5.2.Final-redhat-4]
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