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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 Google Groups by Mostapha ZINE EL ABIDINE, 8 months ago
This exception has no message.
via Google Groups by karle, 8 months ago
This exception has no message.
via Google Groups by Karle Durante, 2 years ago
This exception has no message.
via jabref by amritrajpatra
, 2 years ago
This exception has no message.
java.lang.NullPointerException: 	at java.util.Hashtable.put(Unknown Source)	at java.util.Hashtable.putAll(Unknown Source)	at	at org.jfrog.bamboo.builder.ArtifactoryBuildInfoPropertyHelper.createFileAndGetPath(	at org.jfrog.bamboo.task.ArtifactoryIvyTask.execute(	at com.atlassian.bamboo.task.TaskExecutorImpl.executeTasks(	at com.atlassian.bamboo.task.TaskExecutorImpl.execute(	at	at sun.reflect.GeneratedMethodAccessor343.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(	at org.springframework.orm.hibernate.HibernateInterceptor.invoke(	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(	at $ Source)	at	at	at$	at$	at Source)