java.lang.IllegalArgumentException: Request header is too large | 8 months ago
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    URI part of the request contains invalid characters. You may try to encode the path from the URI. Check RFC7230 and RFC3986 documentation below. and
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    Occassional 400 responses from JWS 3 Tomcat - Red Hat Customer Portal | 8 months ago
    java.lang.IllegalArgumentException: Request header is too large

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Root Cause Analysis

  1. java.lang.IllegalArgumentException

    Request header is too large

    at org.apache.coyote.http11.InternalInputBuffer.fill()
  2. Grizzly HTTP
    1. org.apache.coyote.http11.InternalInputBuffer.fill(Unknown Source)
    2. org.apache.coyote.http11.InternalInputBuffer.fill(Unknown Source)
    3. org.apache.coyote.http11.InternalInputBuffer.parseHeader(Unknown Source)
    4. org.apache.coyote.http11.InternalInputBuffer.parseHeaders(Unknown Source)
    5. org.apache.coyote.http11.AbstractHttp11Processor.process(Unknown Source)
    6. org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(Unknown Source)
    7.$ Source)
    7 frames
  3. Java RT
    1. java.util.concurrent.ThreadPoolExecutor.runWorker(
    2. java.util.concurrent.ThreadPoolExecutor$
    2 frames
  4. Tomcat Util
    1. org.apache.tomcat.util.threads.TaskThread$ Source)
    1 frame
  5. Java RT
    1 frame