java.lang.NullPointerException

Google Groups | Mihail Bratoev | 6 months ago
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  1. 0

    GitHub comment 80#247273599

    GitHub | 6 months ago | woollybah
    java.lang.NullPointerException
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    Null pointer when serving files.

    Google Groups | 1 year ago | KevinC
    java.lang.NullPointerException: null
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    Null Pointer returned in ConnectionBase.writeChannel

    GitHub | 1 year ago | kevlarC
    java.lang.NullPointerException: null
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    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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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at io.vertx.core.http.impl.HttpServerResponseImpl.doSendFile()
  2. Vert.x Core
    HttpServerResponse.sendFile
    1. io.vertx.core.http.impl.HttpServerResponseImpl.doSendFile(HttpServerResponseImpl.java:491)
    2. io.vertx.core.http.impl.HttpServerResponseImpl.sendFile(HttpServerResponseImpl.java:342)
    3. io.vertx.core.http.HttpServerResponse.sendFile(HttpServerResponse.java:317)
    4. io.vertx.core.http.HttpServerResponse.sendFile(HttpServerResponse.java:303)
    4 frames
  3. io.vertx.ext
    StaticHandlerImpl.handle
    1. io.vertx.ext.web.handler.impl.StaticHandlerImpl.lambda$sendFile$6(StaticHandlerImpl.java:386)
    2. io.vertx.ext.web.handler.impl.StaticHandlerImpl.wrapInTCCLSwitch(StaticHandlerImpl.java:229)
    3. io.vertx.ext.web.handler.impl.StaticHandlerImpl.sendFile(StaticHandlerImpl.java:375)
    4. io.vertx.ext.web.handler.impl.StaticHandlerImpl.lambda$sendStatic$0(StaticHandlerImpl.java:192)
    5. io.vertx.ext.web.handler.impl.StaticHandlerImpl.getFileProps(StaticHandlerImpl.java:275)
    6. io.vertx.ext.web.handler.impl.StaticHandlerImpl.sendStatic(StaticHandlerImpl.java:182)
    7. io.vertx.ext.web.handler.impl.StaticHandlerImpl.handle(StaticHandlerImpl.java:143)
    8. io.vertx.ext.web.handler.impl.StaticHandlerImpl.handle(StaticHandlerImpl.java:52)
    8 frames
  4. vip.vertx.app
    SampleBlockingVerticle.lambda$0
    1. vip.vertx.app.SampleBlockingVerticle.lambda$0(SampleBlockingVerticle.java:22)
    1 frame
  5. io.vertx.ext
    BlockingHandlerDecorator.lambda$handle$0
    1. io.vertx.ext.web.impl.BlockingHandlerDecorator.lambda$handle$0(BlockingHandlerDecorator.java:48)
    1 frame
  6. Vert.x Core
    ContextImpl.lambda$executeBlocking$1
    1. io.vertx.core.impl.ContextImpl.lambda$executeBlocking$1(ContextImpl.java:259)
    1 frame
  7. Java RT
    Thread.run
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    3. java.lang.Thread.run(Thread.java:745)
    3 frames