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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=27447 CoyoteReader.readLine() read ahead problems Summary: CoyoteReader.readLine() read ahead problems Product: Tomcat 5 Version: 5.0.19 Platform: PC OS/Version: Windows NT/2K Status: NEW Severity: Normal Priority: Other Component: Catalina AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] When posting utf-8 data with either \r\n or \n and that data exceeds the MAX_LINE_LENGTH the following I/O exception occurs: Servlet threw exception java.io.IOException at org.apache.coyote.tomcat5.InputBuffer.reset(InputBuffer.java:463) at org.apache.coyote.tomcat5.CoyoteReader.reset(CoyoteReader.java:153) at org.apache.coyote.tomcat5.CoyoteReader.readLine (CoyoteReader.java:207) at symhttp.DBRActivationServlet.doPost(DBRActivationServlet.java:31) at javax.servlet.http.HttpServlet.service(HttpServlet.java:763) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:284) at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:204) at org.apache.catalina.core.StandardWrapperValve.invoke (StandardWrapperValve.java:257) at org.apache.catalina.core.StandardValveContext.invokeNext (StandardValveContext.java:151) at org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java:567) at org.apache.catalina.core.StandardContextValve.invokeInternal (StandardContextValve.java:245) at org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:199) at org.apache.catalina.core.StandardValveContext.invokeNext (StandardValveContext.java:151) at org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java:567) at org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:184) at org.apache.catalina.core.StandardValveContext.invokeNext (StandardValveContext.java:151) at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:164) at org.apache.catalina.core.StandardValveContext.invokeNext (StandardValveContext.java:149) at org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java:567) at org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:156) at org.apache.catalina.core.StandardValveContext.invokeNext (StandardValveContext.java:151) at org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java:567) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:972) at org.apache.coyote.tomcat5.CoyoteAdapter.service (CoyoteAdapter.java:206) at org.apache.coyote.http11.Http11Processor.process (Http11Processor.java:833) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnectio n(Http11Protocol.java:732) at org.apache.tomcat.util.net.TcpWorkerThread.runIt (PoolTcpEndpoint.java:619) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run (ThreadPool.java:688) at java.lang.Thread.run(Thread.java:536) If there are NO \r\n or \n then there is no problem sending data greater than MAX_LINE_LENGTH. Here is my servlet test code:public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType(CONTENT_TYPE); System.out.println("Reading body data\n"); String contentLen = request.getHeader("Content-Length"); if ( contentLen != null ) { System.out.println("String Content-Length: " + contentLen); BufferedReader br = request.getReader(); String in = null; while ( (in = br.readLine()) != null ){ System.out.println(in); } } else { System.out.println("Null content-length"); } PrintWriter out = response.getWriter(); sendStuff(out); } //Clean up resources public void destroy() { } I think the problem area is in CoyoteReader.readLine() and the handling of \n and \r\n. This seems to be around lines 178 - 194 of org.apache.coyote.tomcat5.CoyoteReader.java. Problem occurred first in 5.0.16, did an upgrade and still had the problem in 5.0.19, tried it in some version of Tomcat 4 and had no problems. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]