java.lang.NullPointerException: This exception has no message.

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Thrown when an application is trying to use or access an object whose reference equals to null. You are probably trying to use a reference that points to no location in memory as though it were referencing an object.

Solutions on the web

via Atlassian JIRA by Mark Chaimungkalanont, 1 year ago
This exception has no message.
via Coderanch by Jeremy Severson, 10 months ago
This exception has no message.
via Coderanch by adithya narayan, 1 year ago
This exception has no message.
via GitHub by bittecnologia
, 2 years ago
This exception has no message.
via ws-juddi-user by niels@myplace.dk, 1 year ago
via ws-juddi-user by David Cahill, 1 year ago
java.lang.NullPointerException:
at java.util.Hashtable.put(Hashtable.java:401)
at com.atlassian.jira.plugin.ext.subversion.revisions.RevisionIndexer.(RevisionIndexer.java:76)
at com.atlassian.jira.plugin.ext.subversion.MultipleSubversionRepositoryManagerImpl.setupEnvironment(MultipleSubversionRepositoryManagerImpl.java:70)
at com.atlassian.jira.plugin.ext.subversion.MultipleSubversionRepositoryManagerImpl.(MultipleSubversionRepositoryManagerImpl.java:30)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at org.picocontainer.defaults.InstantiatingComponentAdapter.newInstance(InstantiatingComponentAdapter.java:100)
at org.picocontainer.defaults.ConstructorInjectionComponentAdapter.instantiateComponent(ConstructorInjectionComponentAdapter.java:200)
at org.picocontainer.defaults.InstantiatingComponentAdapter.getComponentInstance(InstantiatingComponentAdapter.java:48)
at org.picocontainer.defaults.DecoratingComponentAdapter.getComponentInstance(DecoratingComponentAdapter.java:42)
at org.picocontainer.defaults.SynchronizedComponentAdapter.getComponentInstance(SynchronizedComponentAdapter.java:35)
at org.picocontainer.defaults.DecoratingComponentAdapter.getComponentInstance(DecoratingComponentAdapter.java:42)
at com.atlassian.jira.config.component.ProfilingComponentAdapter.getComponentInstance(ProfilingComponentAdapter.java:27)
at org.picocontainer.defaults.DefaultPicoContainer.getComponentInstancesOfType(DefaultPicoContainer.java:274)
at org.picocontainer.defaults.DefaultPicoContainer.getComponentInstances(DefaultPicoContainer.java:266)
at com.atlassian.jira.ComponentManager.eagerlyInstantiate(ComponentManager.java:297)
at com.atlassian.jira.ComponentManager.start(ComponentManager.java:212)
at com.atlassian.jira.upgrade.ConsistencyLauncher.contextInitialized(ConsistencyLauncher.java:25)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3271)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:3613)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:754)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:363)
at org.apache.catalina.core.StandardService.start(StandardService.java:497)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2190)
at org.apache.catalina.startup.Catalina.start(Catalina.java:512)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
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)

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