java.lang.NullPointerException: null

Stack Overflow | srncristea | 3 months ago
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    Hygieia API container crashes in two days

    GitHub | 4 months ago | anandsit
    org.apache.catalina.connector.ClientAbortException: java.io.IOException: Broken pipe
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    Why the home page cannot be accessed / spring boot application

    Stack Overflow | 6 months ago | W.Zhou
    org.apache.catalina.connector.ClientAbortException: java.io.IOException: An established connection was aborted by the software in your host machine
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Root Cause Analysis

  1. java.lang.NullPointerException

    null

    at org.apache.coyote.http11.Http11OutputBuffer.commit()
  2. Grizzly HTTP
    Response.sendHeaders
    1. org.apache.coyote.http11.Http11OutputBuffer.commit(Http11OutputBuffer.java:351)[tomcat-embed-core-8.5.4.jar:8.5.4]
    2. org.apache.coyote.http11.Http11Processor.action(Http11Processor.java:658)[tomcat-embed-core-8.5.4.jar:8.5.4]
    3. org.apache.coyote.Response.action(Response.java:169)[tomcat-embed-core-8.5.4.jar:8.5.4]
    4. org.apache.coyote.Response.sendHeaders(Response.java:354)[tomcat-embed-core-8.5.4.jar:8.5.4]
    4 frames
  3. Glassfish Core
    CoyoteOutputStream.flush
    1. org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:322)[tomcat-embed-core-8.5.4.jar:8.5.4]
    2. org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:303)[tomcat-embed-core-8.5.4.jar:8.5.4]
    3. org.apache.catalina.connector.CoyoteOutputStream.flush(CoyoteOutputStream.java:109)[tomcat-embed-core-8.5.4.jar:8.5.4]
    3 frames
  4. Jackson-core
    UTF8JsonGenerator.flush
    1. com.fasterxml.jackson.core.json.UTF8JsonGenerator.flush(UTF8JsonGenerator.java:1030)[jackson-core-2.8.1.jar:2.8.1]
    1 frame
  5. Jackson
    ObjectMapper.writeValue
    1. com.fasterxml.jackson.databind.ObjectMapper.writeValue(ObjectMapper.java:2486)[jackson-databind-2.8.1.jar:2.8.1]
    1 frame
  6. Jackson-core
    GeneratorBase.writeObject
    1. com.fasterxml.jackson.core.base.GeneratorBase.writeObject(GeneratorBase.java:367)[jackson-core-2.8.1.jar:2.8.1]
    1 frame