误访问AJP端口报错

2014-12-23 18:31:23 org.apache.jk.common.MsgAjp processHeader
严重: BAD packet signature 20559
2014-12-23 18:31:23 org.apache.jk.common.ChannelSocket processConnection
严重: Error, processing connection
java.lang.IndexOutOfBoundsException
        at java.io.BufferedInputStream.read(BufferedInputStream.java:310)
        at org.apache.jk.common.ChannelSocket.read(ChannelSocket.java:627)
        at org.apache.jk.common.ChannelSocket.receive(ChannelSocket.java:584)
        at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:692)
        at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:897)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)