java.lang.NullPointerException

GitHub | Kuckkuck | 9 months ago
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  1. 0

    Getting a nullpointer exception when switching displayables in J2ME

    Stack Overflow | 6 years ago | Pallinder
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179
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  3. 0

    J2ME (Java) - Null Pointer Exception caught in Display Class

    Stack Overflow | 6 years ago | Tom
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179
  4. 0

    Cloud Foundry v2 in Grails

    Stack Overflow | 2 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.elasticsearch.plugin.readonlyrest.acl.RequestContext.toString()
    2. org.elasticsearch.plugin
      RequestContext.toString
      1. org.elasticsearch.plugin.readonlyrest.acl.RequestContext.toString(RequestContext.java:138)
      1 frame
    3. Java RT
      StringBuilder.append
      1. java.lang.String.valueOf(String.java:2994)
      2. java.lang.StringBuilder.append(StringBuilder.java:131)
      2 frames
    4. org.elasticsearch.plugin
      IndexLevelActionFilter.apply
      1. org.elasticsearch.plugin.readonlyrest.acl.ACL.check(ACL.java:44)
      2. org.elasticsearch.plugin.readonlyrest.IndexLevelActionFilter.apply(IndexLevelActionFilter.java:82)
      2 frames
    5. ElasticSearch
      AbstractRunnable.run
      1. org.elasticsearch.action.support.ActionFilter$Simple.apply(ActionFilter.java:64)
      2. org.elasticsearch.action.support.TransportAction$RequestFilterChain.proceed(TransportAction.java:170)
      3. org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:144)
      4. org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:85)
      5. org.elasticsearch.client.node.NodeClient.doExecute(NodeClient.java:58)
      6. org.elasticsearch.client.support.AbstractClient.execute(AbstractClient.java:359)
      7. org.elasticsearch.client.FilterClient.doExecute(FilterClient.java:52)
      8. org.elasticsearch.rest.BaseRestHandler$HeadersAndContextCopyClient.doExecute(BaseRestHandler.java:83)
      9. org.elasticsearch.client.support.AbstractClient.execute(AbstractClient.java:359)
      10. org.elasticsearch.client.support.AbstractClient$IndicesAdmin.execute(AbstractClient.java:1226)
      11. org.elasticsearch.client.support.AbstractClient$IndicesAdmin.stats(AbstractClient.java:1546)
      12. org.elasticsearch.rest.action.cat.RestShardsAction$1.processResponse(RestShardsAction.java:73)
      13. org.elasticsearch.rest.action.cat.RestShardsAction$1.processResponse(RestShardsAction.java:68)
      14. org.elasticsearch.rest.action.support.RestActionListener.onResponse(RestActionListener.java:49)
      15. org.elasticsearch.action.support.TransportAction$1.onResponse(TransportAction.java:89)
      16. org.elasticsearch.action.support.TransportAction$1.onResponse(TransportAction.java:85)
      17. org.elasticsearch.action.support.TransportAction$ResponseFilterChain.proceed(TransportAction.java:212)
      18. org.elasticsearch.action.support.ActionFilter$Simple.apply(ActionFilter.java:78)
      19. org.elasticsearch.action.support.TransportAction$ResponseFilterChain.proceed(TransportAction.java:210)
      20. org.elasticsearch.action.support.TransportAction$FilteredActionListener.onResponse(TransportAction.java:237)
      21. org.elasticsearch.action.support.TransportAction$FilteredActionListener.onResponse(TransportAction.java:223)
      22. org.elasticsearch.action.support.ThreadedActionListener$1.doRun(ThreadedActionListener.java:89)
      23. org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)
      23 frames
    6. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      3. java.lang.Thread.run(Thread.java:745)
      3 frames