JBoss hits ArrayIndexOutOfBoundsException on AJP read

Issue

• We see the following exception in JBoss for larger AJP POST requests:

java.lang.ArrayIndexOutOfBoundsException
        at java.net.SocketInputStream.read(SocketInputStream.java:162)
        at java.net.SocketInputStream.read(SocketInputStream.java:141)
        at org.apache.coyote.ajp.AjpProcessor.read(AjpProcessor.java:1124)
        at org.apache.coyote.ajp.AjpProcessor.readMessage(AjpProcessor.java:1211)
        at org.apache.coyote.ajp.AjpProcessor.receive(AjpProcessor.java:1145)
        at org.apache.coyote.ajp.AjpProcessor$SocketInputBuffer.doRead(AjpProcessor.java:1271)
        at org.apache.coyote.Request.doRead(Request.java:438)
        at org.apache.catalina.connector.InputBuffer.realReadBytes(InputBuffer.java:361)
        at org.apache.tomcat.util.buf.ByteChunk.substract(ByteChunk.java:422)
        at org.apache.catalina.connector.InputBuffer.read(InputBuffer.java:393)
        at org.apache.catalina.connector.CoyoteInputStream.read(CoyoteInputStream.java:193)
        at org.apache.catalina.connector.Request.readPostBody(Request.java:3018)
        at org.apache.catalina.connector.Request.parseParameters(Request.java:2872)
        at org.apache.catalina.connector.Request.getParameter(Request.java:1298)
        at org.apache.catalina.connector.RequestFacade.getParameter(RequestFacade.java:350)