[Building Sakai] java bug in assignments

Matthew Jones matthew at longsight.com
Fri Mar 6 06:14:18 PST 2015 

Java version _75 still has the bug, you have to use _76. The only way to
fix this is to change the java version.

The lower java version each release only includes the blocker and security
patches. For some reason they didn't consider this a blocker.

On Fri, Mar 6, 2015 at 2:44 AM, Anders Nordkvist <anders.nordqvist at his.se>
wrote:

>  Hi all,
>
>
>
> I think I have stumbled upon this bug:
> https://jira.sakaiproject.org/browse/SAK-28022
>
> We use java version 1.7.0_75 and Sakai 2.9.x. Tomcat 7.0.42, Assignment
> revision “130200” (so it looks like we are way back in revisions here). My
> question is can this be solved with a revision update of assignments or do
> we have to degrade or upgrade the java version on the server?
>
>
>
> Log backtrace:
>
>
>
>
>
>
>
> *VelocityViewServlet : Error processing a template for path ''*
>
> Invocation of method 'getGradeDisplay' in class
> org.sakaiproject.assignment.impl.BaseAssignmentService$BaseAssignmentSubmission
> threw exception java.lang.NullPointerException at
> /vm/assignment/chef_assignments_instructor_list_submissions.vm[line 633,
> column 93]
>
> java.lang.NullPointerException
>
>         at
> org.sakaiproject.assignment.impl.BaseAssignmentService$BaseAssignmentSubmission.getGrade(BaseAssignmentService.java:10328)
>
>         at
> org.sakaiproject.assignment.impl.BaseAssignmentService$BaseAssignmentSubmission.getGrade(BaseAssignmentService.java:10309)
>
>         at
> org.sakaiproject.assignment.impl.BaseAssignmentService$BaseAssignmentSubmission.getGradeDisplay(BaseAssignmentService.java:10377)
>
>         at sun.reflect.GeneratedMethodAccessor20868.invoke(Unknown Source)
>
>         at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>
>         at java.lang.reflect.Method.invoke(Method.java:606)
>
>         at
> org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:389)
>
>         at
> org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:378)
>
>         at
> org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:270)
>
>         at
> org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:262)
>
>         at
> org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:342)
>
>         at
> org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
>
>         at
> org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
>
>         at
> org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
>
>         at
> org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
>
>         at
> org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
>
>         at
> org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
>
>         at
> org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
>
>         at
> org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:366)
>
>         at
> org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:175)
>
>         at
> org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
>
>         at
> org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
>
>         at
> org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
>
>         at
> org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
>
>         at org.apache.velocity.Template.merge(Template.java:328)
>
>         at org.apache.velocity.Template.merge(Template.java:235)
>
>         at
> org.apache.velocity.tools.view.servlet.VelocityViewServlet.performMerge(VelocityViewServlet.java:805)
>
>         at
> org.apache.velocity.tools.view.servlet.VelocityViewServlet.mergeTemplate(VelocityViewServlet.java:762)
>
>         at
> org.apache.velocity.tools.view.servlet.VelocityViewServlet.doRequest(VelocityViewServlet.java:555)
>
>         at
> org.apache.velocity.tools.view.servlet.VelocityViewServlet.doGet(VelocityViewServlet.java:509)
>
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
>
>         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.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
>
>         at
> org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:574)
>
>         at
> org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:544)
>
>         at org.sakaiproject.vm.VmServlet.includeVm(VmServlet.java:162)
>
>         at
> org.sakaiproject.cheftool.VelocityPortletPaneledAction.toolModeDispatch(VelocityPortletPaneledAction.java:483)
>
>         at
> org.sakaiproject.cheftool.ToolServlet.doGet(ToolServlet.java:236)
>
>         at
> org.sakaiproject.cheftool.VelocityPortletPaneledAction.doGet(VelocityPortletPaneledAction.java:1168)
>
>         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:634)
>
>         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:511)
>
>         at
> org.sakaiproject.portal.charon.SkinnableCharonPortal.forwardTool(SkinnableCharonPortal.java:1489)
>
>         at
> org.sakaiproject.portal.charon.handlers.ToolHandler.doTool(ToolHandler.java:214)
>
>         at
> org.sakaiproject.portal.charon.handlers.ToolHandler.doGet(ToolHandler.java:97)
>
>         at
> org.sakaiproject.portal.charon.SkinnableCharonPortal.doGet(SkinnableCharonPortal.java:895)
>
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
>
>         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:695)
>
>         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.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
>
>         at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
>
>         at
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
>
>         at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
>
>         at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
>
>         at
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
>
>         at
> org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:680)
>
>         at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
>
>         at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
>
>         at
> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
>
>         at
> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
>
>         at
> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
>
>         at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>
>         at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>
>         at java.lang.Thread.run(Thread.java:745)
>
>
>
>
>
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