[SLING-530] JspScriptEngineFactory throws NullPointerException on deactivate

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: Scripting JSP 2.0.2
• Fix Version/s: Scripting JSP 2.0.6
• Component/s: Scripting
• Environment: Darwin 9.3.0 Darwin Kernel Version 9.3.0: Fri May 23 00:49:16 PDT 2008; root:xnu-1228.5.18~1/RELEASE_I386 i386
• Assignee: Felix Meschberger
• Reporter: Dominique Jäggi
• Created: 13/Jun/08 07:41
• Updated: 13/Sep/09 13:46
• Resolved: 04/Nov/08 16:50

Description

Upon shutting down Sling, the following exception is thrown:

13.06.2008 09:32:17.491 ERROR [main] org.apache.sling.scripting.jsp.JspScriptEngineFactory deactivate: Caught NullPointerException ! Just logging java.lang.NullPointerException
at org.eclipse.equinox.http.servlet.internal.ServletContextAdaptor.removeAttribute(ServletContextAdaptor.java:75)
at org.apache.sling.engine.impl.helper.SlingServletContext.removeAttribute(SlingServletContext.java:204)
at org.apache.sling.scripting.jsp.JspScriptEngineFactory.deactivate(JspScriptEngineFactory.java:244)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.felix.scr.impl.ImmediateComponentManager.disposeImplementationObject(ImmediateComponentManager.java:269)
at org.apache.felix.scr.impl.ImmediateComponentManager.deleteComponent(ImmediateComponentManager.java:150)
at org.apache.felix.scr.impl.DelayedComponentManager.deleteComponent(DelayedComponentManager.java:61)
at org.apache.felix.scr.impl.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:549)
at org.apache.felix.scr.impl.AbstractComponentManager.deactivate(AbstractComponentManager.java:233)
at org.apache.felix.scr.impl.DependencyManager.serviceRemoved(DependencyManager.java:242)
at org.apache.felix.scr.impl.DependencyManager.serviceChanged(DependencyManager.java:124)
at org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:765)
at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:623)
at org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:554)
at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:3612)
at org.apache.felix.framework.Felix.access$000(Felix.java:36)
at org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:626)
at org.apache.felix.framework.ServiceRegistry.fireServiceChanged(ServiceRegistry.java:559)
at org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:96)
at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:112)
at org.apache.sling.engine.impl.helper.SlingServletContext.dispose(SlingServletContext.java:101)
at org.apache.sling.engine.impl.SlingMainServlet.deactivate(SlingMainServlet.java:629)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.felix.scr.impl.ImmediateComponentManager.disposeImplementationObject(ImmediateComponentManager.java:269)
at org.apache.felix.scr.impl.ImmediateComponentManager.deleteComponent(ImmediateComponentManager.java:150)
at org.apache.felix.scr.impl.AbstractComponentManager.deactivateInternal(AbstractComponentManager.java:549)
at org.apache.felix.scr.impl.AbstractComponentManager.deactivate(AbstractComponentManager.java:233)
at org.apache.felix.scr.impl.DependencyManager.serviceRemoved(DependencyManager.java:242)
at org.apache.felix.scr.impl.DependencyManager.serviceChanged(DependencyManager.java:124)
at org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:765)
at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:623)
at org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:554)
at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:3612)
at org.apache.felix.framework.Felix.access$000(Felix.java:36)
at org.apache.felix.framework.Felix$1.serviceChanged(Felix.java:626)
at org.apache.felix.framework.ServiceRegistry.fireServiceChanged(ServiceRegistry.java:559)
at org.apache.felix.framework.ServiceRegistry.unregisterService(ServiceRegistry.java:96)
at org.apache.felix.framework.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:112)
at org.eclipse.equinox.http.servlet.internal.Activator.removeProxyServlet(Activator.java:84)
at org.eclipse.equinox.http.servlet.internal.ProxyServlet.destroy(ProxyServlet.java:43)
at org.apache.sling.launcher.webapp.SlingServlet.destroy(SlingServlet.java:210)
(...)