Tomcat报错？为什么？

开启Tomcat会出现这个错误，但是好像没有影响项目2009-5-21 12:31:36 org.apache.jk.common.MsgAjp processHeader
严重: BAD packet signature 18245
2009-5-21 12:31:36 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:620)
at org.apache.jk.common.ChannelSocket.receive(ChannelSocket.java:577)
at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:685)
at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.lang.Thread.run(Thread.java:619)
2009-5-21 12:42:00 org.apache.jk.common.MsgAjp processHeader