java.lang.NullPointerException: Cannot invoke method toLowerCase() on null object

GitHub | EduardoSolanas | 5 years ago
tip
Do you know that we can give you better hits? Get more relevant results from Samebug’s stack trace search.
  1. 0

    NullPointerException trying to invoke toLowerCase() on null object

    GitHub | 5 years ago | EduardoSolanas
    java.lang.NullPointerException: Cannot invoke method toLowerCase() 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
  4. Speed up your debug routine!

    Automated exception search integrated into your IDE

  5. 0

    Cloud Foundry v2 in Grails

    Stack Overflow | 2 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

    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

      Cannot invoke method toLowerCase() on null object

      at grails.plugin.inviter.module.YahooInviterService$_getContacts_closure2.doCall()
    2. grails.plugin.inviter
      YahooInviterService$_getContacts_closure2.doCall
      1. grails.plugin.inviter.module.YahooInviterService$_getContacts_closure2.doCall(YahooInviterService.groovy:70)
      1 frame
    3. Java RT
      Collections.sort
      1. java.util.Arrays.mergeSort(Arrays.java:1270)
      2. java.util.Arrays.sort(Arrays.java:1210)
      3. java.util.Collections.sort(Collections.java:159)
      3 frames
    4. grails.plugin.inviter
      YahooInviterService$$FastClassByCGLIB$$5b6d56f6.invoke
      1. grails.plugin.inviter.module.YahooInviterService.getContacts(YahooInviterService.groovy:70)
      2. grails.plugin.inviter.module.YahooInviterService$$FastClassByCGLIB$$5b6d56f6.invoke(<generated>)
      2 frames
    5. IDEA
      MethodProxy.invoke
      1. net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
      1 frame
    6. grails.plugin.inviter
      InviterController$_closure4.doCall
      1. grails.plugin.inviter.module.YahooInviterService$$EnhancerByCGLIB$$e4b61be8.getContacts(<generated>)
      2. grails.plugin.inviter.module.YahooInviterService$getContacts.call(Unknown Source)
      3. grails.plugin.inviter.InviterController$_closure4.doCall(InviterController.groovy:77)
      4. grails.plugin.inviter.InviterController$_closure4.doCall(InviterController.groovy)
      4 frames
    7. Shiro
      OncePerRequestFilter.doFilter
      1. org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
      2. org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
      3. org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
      4. org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
      5. org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:376)
      6. org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
      7. org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
      7 frames
    8. org.apache.shiro
      SavedRequestFilter.doFilter
      1. org.apache.shiro.grails.SavedRequestFilter.doFilter(SavedRequestFilter.java:55)
      1 frame
    9. com.studentsonly.grails
      CacheFilter.doFilter
      1. com.studentsonly.grails.plugins.uiperformance.CacheFilter.doFilter(CacheFilter.java:67)
      1 frame
    10. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
      3. java.lang.Thread.run(Thread.java:662)
      3 frames