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http://issues.apache.org/bugzilla/show_bug.cgi?id=42727 Summary: CoyoteReader readLine returns null for some post request bodies that are a multiple of MAX_LINE_LENGTH in size Product: Tomcat 5 Version: 5.5.20 Platform: All OS/Version: All Status: NEW Severity: normal Priority: P3 Component: Connector:Coyote AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] i have a webapp running on jboss-4.0.5.GA/apache-tomcat-5.5.20 that reads in the http post request body and processes it. i noticed that for request bodies that didn't contain line separators and that had sizes that were exact multiples of org.apache.catalina.connector.CoyoteReader.MAX_LINE_LENGTH (4096), i was receiving null when calling org.apache.catalina.connector.CoyoteReader.readLine (). i believe that the problem is at line 155 in org.apache.catalina.connector.CoyoteReader, where on the last iteration through the loop, "pos" does equal zero and null is returned even though data has been aggregated. here's a command to run in cygwin to easily reproduce the problem: for requestSize in 4095 4096 4097 8191 8192 8193; do dd if=/dev/zero bs=1c count=$requestSize | tr '\000' 'A' | curl --data-binary @- http://localhost:8080/DebugJboss/DebugServlet > $requestSize.txt; done; output from directory listing (size filename): 4095 4095.txt 0 4096.txt 4097 4097.txt 8191 8191.txt 0 8192.txt 8193 8193.txt here's the bulk of the servlet code i used to reproduce the problem: public class DebugServlet extends HttpServlet { protected void doPost(HttpServletRequest arg0, HttpServletResponse arg1) throws ServletException, IOException { BufferedReader br = arg0.getReader(); Writer writer = arg1.getWriter(); String line = null; while ((line = br.readLine()) != null) { writer.write(line); } writer.close(); br.close(); } } it appears that a workaround is to wrap the requests's input stream instead: BufferedReader br = new BufferedReader(new InputStreamReader(arg0.getInputStream ())); -- Configure bugmail: http://issues.apache.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
