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  1. OpenOLAT
  2. OO-633

NPE concurrent delete/select a group

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 8.4.0
    • Fix Version/s: 8.4.2
    • Component/s: Group
    • Labels:
      None
    • Environment:

      vilbert (tomcat18)

      Description

      2 Users: the first delete the group, the second try to click on details.

      RedScreen on vilbert (tomcat18) 8.4.1
      2013-06-24 14:37:29,831 [TP-Processor33] ERROR OLATRuntimeException - OLAT::ERROR % N18-E4 %
      Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)
      *RedScreen* null ::_::
      <dispatchinfo>
      <componentinfo>
      <compname>table</compname>
      <compclass>org.olat.core.gui.components.table.Table</compclass>
      <extendedinfo>n/a</extendedinfo>
      <event>
      <class>org.olat.core.gui.components.table.TableEvent</class>
      <command>r</command>
      <tostring>cmd:r, rowId:3, actionId:bgTblLeave</tostring>
      </event>
      </componentinfo>
      <controllerinfo>
      <controllername>org.olat.core.gui.components.table.TableController</controllername>
      <controllername>org.olat.group.ui.main.BusinessGroupListController</controllername>
      <controllername>org.olat.group.ui.main.OverviewBusinessGroupListController</controllername>
      <controllername>org.olat.group.ui.main.BusinessGroupMainController</controllername>
      <controllername>org.olat.core.commons.fullWebApp.BaseFullWebappController</controllername>
      <controllername>org.olat.core.commons.chiefcontrollers.controller.simple.SimpleBaseController</controllername>
      <controllername>org.olat.core.commons.chiefcontrollers.BaseChiefController</controllername>
      </controllerinfo>
      </dispatchinfo>
      >>> stack of 1.cause::org.olat.core.logging.OLATRuntimeException: null
      -> at org.olat.core.gui.exception.ExceptionWindowController.<init>(ExceptionWindowController.java:107)
      at org.olat.core.gui.exception.MsgFactory.createMessageChiefController(MsgFactory.java:57)
      at org.olat.core.gui.exception.MsgFactory.createMessageChiefController(MsgFactory.java:46)
      at org.olat.core.gui.components.Window.dispatchRequest(Window.java:508)
      at org.olat.core.gui.components.Window.doDispatchRequest(Window.java:226)
      at org.olat.core.gui.components.Component.dispatchRequest(Component.java:192)
      at org.olat.dispatcher.AuthenticatedDispatcher.execute(AuthenticatedDispatcher.java:221)
      at org.olat.core.dispatcher.DispatcherAction.execute(DispatcherAction.java:154)
      at org.olat.core.servlets.OLATServlet.doPost(OLATServlet.java:155)
      at org.olat.core.servlets.OLATServlet.doGet(OLATServlet.java:128)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
      >>> stack of 2.cause::java.lang.NullPointerException: null
      -> at org.olat.group.ui.main.BusinessGroupTableModelWithType.removeBusinessGroup(BusinessGroupTableModelWithType.java:179)
      at org.olat.group.ui.main.AbstractBusinessGroupListController.event(AbstractBusinessGroupListController.java:277)
      at org.olat.core.gui.control.DefaultController$1.run(DefaultController.java:239)
      at org.olat.core.logging.activity.ThreadLocalUserActivityLoggerInstaller.runWithUserActivityLogger(ThreadLocalUserActivityLoggerInstaller.java:108)
      at org.olat.core.gui.control.DefaultController.dispatchEvent(DefaultController.java:236)
      at org.olat.core.gui.control.DefaultController.fireEvent(DefaultController.java:184)
      at org.olat.core.gui.components.table.TableController.event(TableController.java:386)
      at org.olat.core.gui.control.DefaultController.dispatchEvent(DefaultController.java:195)
      at org.olat.core.gui.components.Component$1.run(Component.java:238)
      at org.olat.core.logging.activity.ThreadLocalUserActivityLoggerInstaller.runWithUserActivityLogger(ThreadLocalUserActivityLoggerInstaller.java:108)
      at org.olat.core.gui.components.Component.fireEvent(Component.java:235)

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            Assignee:
            srosse Stéphane Rossé
            Reporter:
            srosse Stéphane Rossé
            Tester:
            Kirsten Scherer
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              Updated:
              Resolved:

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