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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
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java.lang.NullPointerException: 	at java.util.Hashtable.put(Unknown Source)	at java.util.Hashtable.putAll(Unknown Source)	at org.jfrog.build.client.ArtifactoryClientConfiguration.persistToPropertiesFile(ArtifactoryClientConfiguration.java:87)	at org.jfrog.bamboo.builder.ArtifactoryBuildInfoPropertyHelper.createFileAndGetPath(ArtifactoryBuildInfoPropertyHelper.java:71)	at org.jfrog.bamboo.task.ArtifactoryIvyTask.execute(ArtifactoryIvyTask.java:106)	at com.atlassian.bamboo.task.TaskExecutorImpl.executeTasks(TaskExecutorImpl.java:180)	at com.atlassian.bamboo.task.TaskExecutorImpl.execute(TaskExecutorImpl.java:88)	at com.atlassian.bamboo.build.pipeline.tasks.ExecuteBuildTask.call(ExecuteBuildTask.java:84)	at sun.reflect.GeneratedMethodAccessor343.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:304)	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)	at org.springframework.orm.hibernate.HibernateInterceptor.invoke(HibernateInterceptor.java:117)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)	at $Proxy484.call(Unknown Source)	at com.atlassian.bamboo.v2.build.agent.DefaultBuildAgent.build(DefaultBuildAgent.java:202)	at com.atlassian.bamboo.v2.build.agent.BuildAgentControllerImpl.waitAndPerformBuild(BuildAgentControllerImpl.java:103)	at com.atlassian.bamboo.v2.build.agent.DefaultBuildAgent$1.run(DefaultBuildAgent.java:109)	at com.atlassian.bamboo.build.pipeline.concurrent.NamedThreadFactory$2.run(NamedThreadFactory.java:50)	at java.lang.Thread.run(Unknown Source)