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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.

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via Jenkins JIRA by Marco Clemencic, 1 year ago
via Jenkins JIRA by Marco Clemencic, 1 year ago
via wpthm.com by Unknown author, 2 years ago
This exception has no message.
via hibernate.org by Unknown author, 1 year ago
via Stack Overflow by demaniak
, 2 years ago
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via bonitasoft.com by Unknown author, 1 year ago
java.lang.NullPointerException: 	at java.util.Hashtable.put(Hashtable.java:542)	at groovy.lang.Binding.setVariable(Binding.java:77)	at groovy.lang.GroovyShell.setVariable(GroovyShell.java:568)	at hudson.plugins.groovy.SystemGroovy.perform(SystemGroovy.java:76)	at hudson.plugins.groovy.GroovyTokenMacro.evaluate(GroovyTokenMacro.java:68)	at org.jenkinsci.plugins.tokenmacro.DataBoundTokenMacro.evaluate(DataBoundTokenMacro.java:177)	at org.jenkinsci.plugins.tokenmacro.TokenMacro.expand(TokenMacro.java:177)	at org.jenkinsci.plugins.tokenmacro.TokenMacro.expand(TokenMacro.java:153)	at org.jenkinsci.plugins.buildnamesetter.BuildNameSetter.setDisplayName(BuildNameSetter.java:50)	at org.jenkinsci.plugins.buildnamesetter.BuildNameSetter.setUp(BuildNameSetter.java:37)	at hudson.model.Build$BuildExecution.doRun(Build.java:154)	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:593)	at hudson.model.Run.execute(Run.java:1567)	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)	at hudson.model.ResourceController.execute(ResourceController.java:88)	at hudson.model.Executor.run(Executor.java:237)