[Building Sakai] Resources tool on Sakai 10

[Omer A Piperdi]

Thanks.. adding Djava.util.Arrays.useLegacyMergeSort=true fixed the 
problem..

Omer
On 8/6/2014 12:44 PM, Matthew Jones wrote:
> I'd first try setting the option 
> -Djava.util.Arrays.useLegacyMergeSort=true or upgrading to 1.7.0_65. 
> (java -version) where this might be fixed.
>
> If that doesn't fix it, there was some discussion about it on KNL-1247 
> but we couldn't reproduce it. And the fix on the ticket didn't sort 
> the smart sort the same way as the current method sorts and it doesn't 
> look like it was ever followed up on.
>
>
> On Wed, Aug 6, 2014 at 1:36 PM, Omer A Piperdi <omer at rice.edu 
> <mailto:omer at rice.edu>> wrote:
>
>     After upgrading to Sakai 10, 'Resources' tool on older sites throwing
>     the error below.. seems something to do with sorting but could not
>     figure it out.
>
>     Any idea or suggestion here?
>
>     Thanks
>     Omer
>
>     ------------------------
>
>     org.sakaiproject.portal.api.PortalHandlerException:
>     org.sakaiproject.tool.api.ToolException:
>     java.lang.reflect.InvocationTargetException
>          at
>     org.sakaiproject.portal.charon.SkinnableCharonPortal..doGet(SkinnableCharonPortal.java:901)
>     caused by: org.sakaiproject.tool.api.ToolException:
>     java.lang.reflect.InvocationTargetException
>          at
>     org.sakaiproject.cheftool.ToolServlet.doGet(ToolServlet.java:236)
>     caused by: java.lang.reflect.InvocationTargetException
>          at
>     sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>     caused by: java.lang.IllegalArgumentException: Comparison method
>     violates its general contract!
>          at java.util.TimSort.mergeLo(TimSort.java:747)
>          at java.util.TimSort.mergeAt(TimSort.java:483)
>          at java.util.TimSort.mergeForceCollapse(TimSort.java:426)
>          at java.util.TimSort.sort(TimSort.java:223)
>          at java.util.TimSort.sort(TimSort.java:173)
>          at java.util.Arrays.sort(Arrays.java:659)
>          at java.util.Collections.sort(Collections.java:217)
>          at
>     org.sakaiproject.content.tool.ListItem.getListItem(ListItem.java:274)
>          at
>     org.sakaiproject.content.tool.ResourcesAction.buildListContext(ResourcesAction.java:4355)
>          at
>     org.sakaiproject.content.tool.ResourcesAction.buildMainPanelContext(ResourcesAction.java:4753)
>          at sun.reflect.GeneratedMethodAccessor1933.invoke(null:-1)
>          at
>     sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>          at java.lang.reflect.Method.invoke(Method.java:606)
>          at
>     org.sakaiproject.cheftool.VelocityPortletPaneledAction.toolModeDispatch(VelocityPortletPaneledAction.java:441)
>          at
>     org.sakaiproject.cheftool.ToolServlet.doGet(ToolServlet.java:236)
>          at
>     org.sakaiproject.cheftool.VelocityPortletPaneledAction.doGet(VelocityPortletPaneledAction.java:1176)
>          at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
>          at
>     org.sakaiproject.vm.ComponentServlet.service(ComponentServlet.java:56)
>          at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
>          at
>     org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
>          at
>     org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>          at
>     org.sakaiproject.util.RequestFilter.doFilter(RequestFilter.java:394)
>          at
>     org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
>          at
>     org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>          at
>     org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
>          at
>     org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
>          at
>     org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379)
>          at
>     org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
>          at
>     org.sakaiproject.tool.impl.ActiveToolComponent$MyActiveTool.forward(ActiveToolComponent.java:513)
>          at
>     org.sakaiproject.portal.charon.SkinnableCharonPortal..forwardTool(SkinnableCharonPortal.java:1535)
>          at
>     org.sakaiproject.portal.charon.handlers.ToolHandler.doTool(ToolHandler.java:215)
>          at
>     org.sakaiproject.portal.charon.handlers.ToolHandler.doGet(ToolHandler.java:98)
>          at
>     org.sakaiproject.portal.charon.SkinnableCharonPortal..doGet(SkinnableCharonPortal.java:901)
>          at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
>          at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
>
>
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