java.lang.NullPointerException: Cannot get property 'identifier' on null object

nabble.com | 8 months ago
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  1. 0

    Grails User (Old Archive) - Problems with GSON plugin

    nabble.com | 8 months ago
    java.lang.NullPointerException: Cannot get property 'identifier' on null object
  2. 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
  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
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    Cloud Foundry v2 in Grails

    Stack Overflow | 3 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object
  6. 0

    NullPointerException in MIDlet with left soft key

    Stack Overflow | 6 years ago | berry120
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callItemListener(), bci=57 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=57 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$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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    Root Cause Analysis

    1. java.lang.NullPointerException

      Cannot get property 'identifier' on null object

      at grails.plugin.gson.adapters.GrailsDomainSerializer.eachProperty()
    2. grails.plugin.gson
      GrailsDomainSerializer.serialize
      1. grails.plugin.gson.adapters.GrailsDomainSerializer.eachProperty(GrailsDomainSerializer.groovy:66)
      2. grails.plugin.gson.adapters.GrailsDomainSerializer.eachUnvisitedProperty(GrailsDomainSerializer.groovy:51)
      3. grails.plugin.gson.adapters.GrailsDomainSerializer.serialize(GrailsDomainSerializer.groovy:27)
      3 frames
    3. Gson
      Gson$3.serialize
      1. com.google.gson.TreeTypeAdapter.write(TreeTypeAdapter.java:70)
      2. com.google.gson.TreeTypeAdapter.write(TreeTypeAdapter.java:63)
      3. com.google.gson.Gson.toJson(Gson.java:586)
      4. com.google.gson.Gson.toJsonTree(Gson.java:479)
      5. com.google.gson.Gson$3.serialize(Gson.java:140)
      5 frames
    4. grails.plugin.gson
      GrailsDomainSerializer.serialize
      1. grails.plugin.gson.adapters.GrailsDomainSerializer$_serialize_closure1.doCall(GrailsDomainSerializer.groovy:44)
      2. grails.plugin.gson.adapters.GrailsDomainSerializer$_eachUnvisitedProperty_closure2.doCall(GrailsDomainSerializer.groovy:59)
      3. grails.plugin.gson.adapters.GrailsDomainSerializer.eachProperty(GrailsDomainSerializer.groovy:70)
      4. grails.plugin.gson.adapters.GrailsDomainSerializer.eachUnvisitedProperty(GrailsDomainSerializer.groovy:51)
      5. grails.plugin.gson.adapters.GrailsDomainSerializer.serialize(GrailsDomainSerializer.groovy:27)
      5 frames
    5. Gson
      Gson$3.serialize
      1. com.google.gson.TreeTypeAdapter.write(TreeTypeAdapter.java:70)
      2. com.google.gson.TreeTypeAdapter.write(TreeTypeAdapter.java:63)
      3. com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:68)
      4. com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:96)
      5. com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:60)
      6. com.google.gson.Gson.toJson(Gson.java:586)
      7. com.google.gson.Gson.toJsonTree(Gson.java:479)
      8. com.google.gson.Gson$3.serialize(Gson.java:140)
      8 frames
    6. grails.plugin.gson
      GrailsDomainSerializer.serialize
      1. grails.plugin.gson.adapters.GrailsDomainSerializer$_serialize_closure1.doCall(GrailsDomainSerializer.groovy:44)
      2. grails.plugin.gson.adapters.GrailsDomainSerializer$_eachUnvisitedProperty_closure2.doCall(GrailsDomainSerializer.groovy:56)
      3. grails.plugin.gson.adapters.GrailsDomainSerializer.eachProperty(GrailsDomainSerializer.groovy:70)
      4. grails.plugin.gson.adapters.GrailsDomainSerializer.eachUnvisitedProperty(GrailsDomainSerializer.groovy:51)
      5. grails.plugin.gson.adapters.GrailsDomainSerializer.serialize(GrailsDomainSerializer.groovy:27)
      5 frames
    7. Gson
      Gson$3.serialize
      1. com.google.gson.TreeTypeAdapter.write(TreeTypeAdapter.java:70)
      2. com.google.gson.TreeTypeAdapter.write(TreeTypeAdapter.java:63)
      3. com.google.gson.Gson.toJson(Gson.java:586)
      4. com.google.gson.Gson.toJsonTree(Gson.java:479)
      5. com.google.gson.Gson$3.serialize(Gson.java:140)
      5 frames
    8. grails.plugin.gson
      GrailsDomainSerializer.serialize
      1. grails.plugin.gson.adapters.GrailsDomainSerializer$_serialize_closure1.doCall(GrailsDomainSerializer.groovy:44)
      2. grails.plugin.gson.adapters.GrailsDomainSerializer$_eachUnvisitedProperty_closure2.doCall(GrailsDomainSerializer.groovy:56)
      3. grails.plugin.gson.adapters.GrailsDomainSerializer.eachProperty(GrailsDomainSerializer.groovy:70)
      4. grails.plugin.gson.adapters.GrailsDomainSerializer.eachUnvisitedProperty(GrailsDomainSerializer.groovy:51)
      5. grails.plugin.gson.adapters.GrailsDomainSerializer.serialize(GrailsDomainSerializer.groovy:27)
      5 frames
    9. Gson
      Gson$3.serialize
      1. com.google.gson.TreeTypeAdapter.write(TreeTypeAdapter.java:70)
      2. com.google.gson.TreeTypeAdapter.write(TreeTypeAdapter.java:63)
      3. com.google.gson.Gson.toJson(Gson.java:586)
      4. com.google.gson.Gson.toJsonTree(Gson.java:479)
      5. com.google.gson.Gson$3.serialize(Gson.java:140)
      5 frames
    10. grails.plugin.gson
      GrailsDomainSerializer.serialize
      1. grails.plugin.gson.adapters.GrailsDomainSerializer$_serialize_closure1.doCall(GrailsDomainSerializer.groovy:35)
      2. grails.plugin.gson.adapters.GrailsDomainSerializer$_eachUnvisitedProperty_closure2.doCall(GrailsDomainSerializer.groovy:59)
      3. grails.plugin.gson.adapters.GrailsDomainSerializer.eachProperty(GrailsDomainSerializer.groovy:70)
      4. grails.plugin.gson.adapters.GrailsDomainSerializer.eachUnvisitedProperty(GrailsDomainSerializer.groovy:51)
      5. grails.plugin.gson.adapters.GrailsDomainSerializer.serialize(GrailsDomainSerializer.groovy:27)
      5 frames
    11. Gson
      Gson$3.serialize
      1. com.google.gson.TreeTypeAdapter.write(TreeTypeAdapter.java:70)
      2. com.google.gson.TreeTypeAdapter.write(TreeTypeAdapter.java:63)
      3. com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:68)
      4. com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:96)
      5. com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:60)
      6. com.google.gson.Gson.toJson(Gson.java:586)
      7. com.google.gson.Gson.toJsonTree(Gson.java:479)
      8. com.google.gson.Gson$3.serialize(Gson.java:140)
      8 frames
    12. grails.plugin.gson
      GrailsDomainSerializer.serialize
      1. grails.plugin.gson.adapters.GrailsDomainSerializer$_serialize_closure1.doCall(GrailsDomainSerializer.groovy:35)
      2. grails.plugin.gson.adapters.GrailsDomainSerializer$_eachUnvisitedProperty_closure2.doCall(GrailsDomainSerializer.groovy:56)
      3. grails.plugin.gson.adapters.GrailsDomainSerializer.eachProperty(GrailsDomainSerializer.groovy:70)
      4. grails.plugin.gson.adapters.GrailsDomainSerializer.eachUnvisitedProperty(GrailsDomainSerializer.groovy:51)
      5. grails.plugin.gson.adapters.GrailsDomainSerializer.serialize(GrailsDomainSerializer.groovy:27)
      5 frames
    13. Gson
      Gson.toJson
      1. com.google.gson.TreeTypeAdapter.write(TreeTypeAdapter.java:70)
      2. com.google.gson.TreeTypeAdapter.write(TreeTypeAdapter.java:63)
      3. com.google.gson.Gson.toJson(Gson.java:586)
      4. com.google.gson.Gson.toJson(Gson.java:565)
      5. com.google.gson.Gson.toJson(Gson.java:540)
      5 frames
    14. grails.plugin.gson
      ArtefactEnhancer$_enhanceControllers_closure1.doCall
      1. grails.plugin.gson.converters.GSON.render(GSON.groovy:49)
      2. grails.plugin.gson.converters.GSON.render(GSON.groovy:58)
      3. grails.plugin.gson.api.ArtefactEnhancer$_enhanceControllers_closure1.doCall(ArtefactEnhancer.groovy:29)
      3 frames
    15. com.aire.pei
      TestingController.gsontest
      1. com.aire.pei.TestingController.gsontest(TestingController.groovy:166)
      1 frame
    16. grails.plugin.cache
      AbstractFilter.doFilter
      1. grails.plugin.cache.web.filter.PageFragmentCachingFilter.doFilter(PageFragmentCachingFilter.java:195)
      2. grails.plugin.cache.web.filter.AbstractFilter.doFilter(AbstractFilter.java:63)
      2 frames
    17. org.apache.shiro
      SavedRequestFilter.doFilter
      1. org.apache.shiro.grails.SavedRequestFilter.doFilter(SavedRequestFilter.java:55)
      1 frame
    18. Shiro
      OncePerRequestFilter.doFilter
      1. org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
      2. org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
      3. org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
      4. org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
      5. org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:380)
      6. org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
      7. org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
      7 frames
    19. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
      3. java.lang.Thread.run(Thread.java:722)
      3 frames