java.lang.NullPointerException

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    how to fix Java NullPointerException error?

    Stack Overflow | 4 weeks ago | Jay wardan
    java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at org.apache.coyote.http11.Http11OutputBuffer.flushBuffer()
    2. Grizzly HTTP
      SocketProcessorBase.run
      1. org.apache.coyote.http11.Http11OutputBuffer.flushBuffer(Http11OutputBuffer.java:533)
      2. org.apache.coyote.http11.Http11OutputBuffer.endRequest(Http11OutputBuffer.java:318)
      3. org.apache.coyote.http11.Http11Processor.endRequest(Http11Processor.java:1794)
      4. org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1149)
      5. org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
      6. org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:785)
      7. org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1425)
      8. org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
      8 frames
    3. Java RT
      ThreadPoolExecutor$Worker.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      2 frames
    4. Tomcat Util
      TaskThread$WrappingRunnable.run
      1. org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
      1 frame
    5. Java RT
      Thread.run
      1. java.lang.Thread.run(Thread.java:745)
      1 frame