java.lang.NullPointerException

Spring JIRA | Gary Russell | 2 years ago
  1. 0

    Check for null client in {{doStop()}}. {code} 07:46:52,283 INFO main-EventThread support.DefaultLifecycleProcessor - Stopping beans in phase 1073741823 07:46:52,284 WARN main-EventThread support.DefaultLifecycleProcessor - Failed to stop bean 'mqttInbound' java.lang.NullPointerException at org.springframework.integration.mqtt.inbound.MqttPahoMessageDrivenChannelAdapter.doStop(MqttPahoMessageDrivenChannelAdapter.java:123) at org.springframework.integration.endpoint.AbstractEndpoint.doStop(AbstractEndpoint.java:131) at org.springframework.integration.endpoint.AbstractEndpoint.stop(AbstractEndpoint.java:119) at org.springframework.context.support.DefaultLifecycleProcessor.doStop(DefaultLifecycleProcessor.java:229) at org.springframework.context.support.DefaultLifecycleProcessor.access$300(DefaultLifecycleProcessor.java:51) at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.stop(DefaultLifecycleProcessor.java:363) at org.springframework.context.support.DefaultLifecycleProcessor.stopBeans(DefaultLifecycleProcessor.java:202) at org.springframework.context.support.DefaultLifecycleProcessor.onClose(DefaultLifecycleProcessor.java:118) at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:877) at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:836) at org.springframework.context.support.AbstractApplicationContext.destroy(AbstractApplicationContext.java:823) at org.springframework.xd.module.core.SimpleModule.destroy(SimpleModule.java:254) at org.springframework.xd.dirt.module.ModuleDeployer.destroyModule(ModuleDeployer.java:280) at org.springframework.xd.dirt.module.ModuleDeployer.undeploy(ModuleDeployer.java:259) at org.springframework.xd.dirt.server.DeploymentListener.undeployModule(DeploymentListener.java:388) at org.springframework.xd.dirt.server.DeploymentListener$StreamModuleWatcher.process(DeploymentListener.java:565) at org.apache.curator.framework.imps.NamespaceWatcher.process(NamespaceWatcher.java:67) at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519) at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495) {code}

    Spring JIRA | 2 years ago | Gary Russell
    java.lang.NullPointerException
  2. 0

    Check for null client in {{doStop()}}. {code} 07:46:52,283 INFO main-EventThread support.DefaultLifecycleProcessor - Stopping beans in phase 1073741823 07:46:52,284 WARN main-EventThread support.DefaultLifecycleProcessor - Failed to stop bean 'mqttInbound' java.lang.NullPointerException at org.springframework.integration.mqtt.inbound.MqttPahoMessageDrivenChannelAdapter.doStop(MqttPahoMessageDrivenChannelAdapter.java:123) at org.springframework.integration.endpoint.AbstractEndpoint.doStop(AbstractEndpoint.java:131) at org.springframework.integration.endpoint.AbstractEndpoint.stop(AbstractEndpoint.java:119) at org.springframework.context.support.DefaultLifecycleProcessor.doStop(DefaultLifecycleProcessor.java:229) at org.springframework.context.support.DefaultLifecycleProcessor.access$300(DefaultLifecycleProcessor.java:51) at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.stop(DefaultLifecycleProcessor.java:363) at org.springframework.context.support.DefaultLifecycleProcessor.stopBeans(DefaultLifecycleProcessor.java:202) at org.springframework.context.support.DefaultLifecycleProcessor.onClose(DefaultLifecycleProcessor.java:118) at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:877) at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:836) at org.springframework.context.support.AbstractApplicationContext.destroy(AbstractApplicationContext.java:823) at org.springframework.xd.module.core.SimpleModule.destroy(SimpleModule.java:254) at org.springframework.xd.dirt.module.ModuleDeployer.destroyModule(ModuleDeployer.java:280) at org.springframework.xd.dirt.module.ModuleDeployer.undeploy(ModuleDeployer.java:259) at org.springframework.xd.dirt.server.DeploymentListener.undeployModule(DeploymentListener.java:388) at org.springframework.xd.dirt.server.DeploymentListener$StreamModuleWatcher.process(DeploymentListener.java:565) at org.apache.curator.framework.imps.NamespaceWatcher.process(NamespaceWatcher.java:67) at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519) at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495) {code}

    Spring JIRA | 2 years ago | Gary Russell
    java.lang.NullPointerException
  3. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.springframework.integration.mqtt.inbound.MqttPahoMessageDrivenChannelAdapter.doStop()
    2. org.springframework.integration
      MqttPahoMessageDrivenChannelAdapter.doStop
      1. org.springframework.integration.mqtt.inbound.MqttPahoMessageDrivenChannelAdapter.doStop(MqttPahoMessageDrivenChannelAdapter.java:123)
      1 frame
    3. Spring Integration Core
      AbstractEndpoint.stop
      1. org.springframework.integration.endpoint.AbstractEndpoint.doStop(AbstractEndpoint.java:131)
      2. org.springframework.integration.endpoint.AbstractEndpoint.stop(AbstractEndpoint.java:119)
      2 frames
    4. Spring Context
      AbstractApplicationContext.destroy
      1. org.springframework.context.support.DefaultLifecycleProcessor.doStop(DefaultLifecycleProcessor.java:229)
      2. org.springframework.context.support.DefaultLifecycleProcessor.access$300(DefaultLifecycleProcessor.java:51)
      3. org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.stop(DefaultLifecycleProcessor.java:363)
      4. org.springframework.context.support.DefaultLifecycleProcessor.stopBeans(DefaultLifecycleProcessor.java:202)
      5. org.springframework.context.support.DefaultLifecycleProcessor.onClose(DefaultLifecycleProcessor.java:118)
      6. org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:877)
      7. org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:836)
      8. org.springframework.context.support.AbstractApplicationContext.destroy(AbstractApplicationContext.java:823)
      8 frames
    5. org.springframework.xd
      DeploymentListener$StreamModuleWatcher.process
      1. org.springframework.xd.module.core.SimpleModule.destroy(SimpleModule.java:254)
      2. org.springframework.xd.dirt.module.ModuleDeployer.destroyModule(ModuleDeployer.java:280)
      3. org.springframework.xd.dirt.module.ModuleDeployer.undeploy(ModuleDeployer.java:259)
      4. org.springframework.xd.dirt.server.DeploymentListener.undeployModule(DeploymentListener.java:388)
      5. org.springframework.xd.dirt.server.DeploymentListener$StreamModuleWatcher.process(DeploymentListener.java:565)
      5 frames
    6. Curator Framework
      NamespaceWatcher.process
      1. org.apache.curator.framework.imps.NamespaceWatcher.process(NamespaceWatcher.java:67)
      1 frame
    7. Zookeeper
      ClientCnxn$EventThread.run
      1. org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519)
      2. org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
      2 frames