AJP request triggers IndexOutOfBoundsException

Solution Verified - Updated -

Issue

  • We see an exception like the following on some AJP requests:
Caused by: java.lang.IndexOutOfBoundsException
    at java.nio.Buffer.checkBounds(Buffer.java:535)
    at java.nio.DirectByteBuffer.get(DirectByteBuffer.java:229)
    at org.apache.coyote.ajp.AjpAprProcessor.readMessage(AjpAprProcessor.java:1174)
    at org.apache.coyote.ajp.AjpAprProcessor.receive(AjpAprProcessor.java:1099)
    at org.apache.coyote.ajp.AjpAprProcessor$SocketInputBuffer.doRead(AjpAprProcessor.java:1239)
    at org.apache.coyote.Request.doRead(Request.java:428)
    at org.apache.catalina.connector.InputBuffer.realReadBytes(InputBuffer.java:333)
    at org.apache.tomcat.util.buf.ByteChunk.substract(ByteChunk.java:420)
    at org.apache.catalina.connector.InputBuffer.read(InputBuffer.java:365)
    at org.apache.catalina.connector.CoyoteInputStream.read(CoyoteInputStream.java:193)

Environment

  • JBoss Enterprise Application Platform (EAP) 5.x
  • Apache httpd
  • mod_jk

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