java.lang.NullPointerException

Stack Overflow | We are Borg | 1 month ago
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    java.lang.NullPointerException
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    gwt-comet - CometException: EventSource error

    Google Groups | 4 years ago | Magnus
    com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract void cometchat.client.svc.ChatService.send(java.lang.String) throws cometchat.client.ChatException' threw an unexpected exception: java.lang.IllegalStateException: CometSession has been invalidated
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    gwt-comet - CometException: EventSource error

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    com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract void cometchat.client.svc.ChatService.send(java.lang.String) throws cometchat.client.ChatException' threw an unexpected exception: java.lang.IllegalStateException: CometSession has been invalidated
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    Oracle Community | 10 years ago | 807597
    java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.project.spring.chat.ChatServiceImpl.lambda$sendNotification$3()
    2. com.project.spring
      ChatServiceImpl.lambda$sendNotification$3
      1. com.project.spring.chat.ChatServiceImpl.lambda$sendNotification$3(ChatServiceImpl.java:532)
      1 frame
    3. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame