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com.atlassian.bamboo.task.TaskException: Failed to execute task at com.atlassian.bamboo.plugins.maven.task.Maven3BuildTask.execute(Maven3BuildTask.java:110) 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.GeneratedMethodAccessor510.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) 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 $Proxy563.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(Thread.java:662)Caused by: java.lang.NullPointerException at java.lang.ProcessEnvironment.validateValue(ProcessEnvironment.java:102) at java.lang.ProcessEnvironment.access$400(ProcessEnvironment.java:44) at java.lang.ProcessEnvironment$Value.valueOf(ProcessEnvironment.java:185) at java.lang.ProcessEnvironment$StringEnvironment.put(ProcessEnvironment.java:224) at java.lang.ProcessEnvironment$StringEnvironment.put(ProcessEnvironment.java:203) at java.util.AbstractMap.putAll(AbstractMap.java:256) at com.atlassian.utils.process.ExternalProcess.createProcess(ExternalProcess.java:237) at com.atlassian.utils.process.ExternalProcess.start(ExternalProcess.java:283) at com.atlassian.utils.process.ExternalProcess.execute(ExternalProcess.java:408) at com.atlassian.bamboo.process.ProcessServiceImpl.executeProcess(ProcessServiceImpl.java:176) at sun.reflect.GeneratedMethodAccessor951.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.atlassian.plugin.osgi.hostcomponents.impl.DefaultComponentRegistrar$ContextClassLoaderSettingInvocationHandler.invoke(DefaultComponentRegistrar.java:129) at $Proxy141.executeProcess(Unknown Source) at sun.reflect.GeneratedMethodAccessor951.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.atlassian.plugin.osgi.bridge.external.HostComponentFactoryBean$DynamicServiceInvocationHandler.invoke(HostComponentFactoryBean.java:154) at $Proxy141.executeProcess(Unknown Source) at com.atlassian.bamboo.plugins.maven.task.Maven3BuildTask.execute(Maven3BuildTask.java:75) ... 18 more