请教tomcat日志问题

2007-07-29 08:03:36 HttpProcessor[80][43] process.parse
java.io.IOException: Line too long
        at org.apache.catalina.connector.http.SocketInputStream.readHeader(SocketInputStream.java:466)
        at org.apache.catalina.connector.http.HttpProcessor.parseHeaders(HttpProcessor.java:569)
        at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:961)
        at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1106)
        at java.lang.Thread.run(Thread.java:484)

这是怎么会是,出了什么问题?