The real reason for the tomcat server stop accept request is the
"java.lang.OutOfMemoryError: Java heap space"!
yuan hong
----- Original Message -----
From: "aeonsun" <[EMAIL PROTECTED]>
To: <dev@tomcat.apache.org>
Sent: Tuesday, December 19, 2006 10:57 AM
Subject: ClientAbortException: java.net.SocketException: Connection reset
> hello all:
> I'm useing tomcat5.5.17 .tomcat server catch the follow exception and it
> don't work sometimes (the http port has be listing yet and no any message
> if I connected it. The pertinent code is after the exception.)
>
> ClientAbortException: java.net.SocketException: Connection reset
> at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java
> :327)
> at org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:293)
> at org.apache.catalina.connector.CoyoteOutputStream.flush(
> CoyoteOutputStream.java:97)
> at javax.imageio.stream.FileCacheImageOutputStream.flushBefore(
> FileCacheImageOutputStream.java:214)
> at javax.imageio.stream.ImageInputStreamImpl.flush (
> ImageInputStreamImpl.java:801)
> at com.sun.imageio.plugins.jpeg.JPEGImageWriter.write(
> JPEGImageWriter.java:1002)
> at javax.imageio.ImageWriter.write(ImageWriter.java:598)
> at javax.imageio.ImageIO.write (ImageIO.java:1450)
> at javax.imageio.ImageIO.write(ImageIO.java:1524)
> at net.m2.webapp.action.RandomImageServlet.doGet(RandomImageServlet.java
> :45)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java :689)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
> ApplicationFilterChain.java:252)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter (
> ApplicationFilterChain.java:173)
> at net.m2.util.EncodingFilter.doFilter(EncodingFilter.java:54)
> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
> ApplicationFilterChain.java:202)
> at org.apache.catalina.core.ApplicationFilterChain.doFilter(
> ApplicationFilterChain.java:173)
> at org.apache.catalina.core.StandardWrapperValve.invoke(
> StandardWrapperValve.java:213)
> at org.apache.catalina.core.StandardContextValve.invoke (
> StandardContextValve.java:178)
> at org.apache.catalina.core.StandardHostValve.invoke(
> StandardHostValve.java:126)
> at org.apache.catalina.valves.ErrorReportValve.invoke(
> ErrorReportValve.java:105)
> at org.apache.catalina.core.StandardEngineValve.invoke (
> StandardEngineValve.java:107)
> at org.apache.catalina.connector.CoyoteAdapter.service(
> CoyoteAdapter.java:148)
> at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
> :869)
> at
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(
> Http11BaseProtocol.java:664)
> at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(
> PoolTcpEndpoint.java:527)
> at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(
> LeaderFollowerWorkerThread.java :80)
> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
> ThreadPool.java:684)
> at java.lang.Thread.run(Thread.java:595)
> Caused by: java.net.SocketException: Connection reset
> at java.net.SocketOutputStream.socketWrite (SocketOutputStream.java:96)
> at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
> at org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(
> InternalOutputBuffer.java:746)
> at org.apache.tomcat.util.buf.ByteChunk.flushBuffer (ByteChunk.java:433)
> at org.apache.coyote.http11.InternalOutputBuffer.flush(
> InternalOutputBuffer.java:304)
> at org.apache.coyote.http11.Http11Processor.action(Http11Processor.java
> :991)
> at org.apache.coyote.Response.action (Response.java:182)
> at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java
> :322)
> ... 28 more
> ERROR [http-80-Processor108] (ThreadPool.java:693) - Caught exception (
> java.lang.OutOfMemoryError : Java heap space) executing
> [EMAIL PROTECTED], terminating
> thread
> ERROR [http-80-Processor36] (CoyoteAdapter.java:157) - An exception or error
> occurred in the container during the request processing
> java.lang.OutOfMemoryError: Java heap space
> ERROR [http-80-Processor58] (FrameworkServlet.java:413) - Could not complete
> request
> org.springframework.web.util.NestedServletException: Handler processing
> failed; nested exception is java.lang.OutOfMemoryError: Java heap space
> java.lang.OutOfMemoryError: Java heap space
> ERROR [http-80-Processor83] (FrameworkServlet.java:413) - Could not complete
> request
> org.springframework.web.util.NestedServletException : Handler processing
> failed; nested exception is java.lang.OutOfMemoryError: Java heap space
> java.lang.OutOfMemoryError: Java heap space
> ERROR [http-80-Processor88] (FrameworkServlet.java:413) - Could not complete
> request
> org.springframework.web.util.NestedServletException: Handler processing
> failed; nested exception is java.lang.OutOfMemoryError: Java heap space
> java.lang.OutOfMemoryError: Java heap space
> ERROR [http-80-Processor3] ( FrameworkServlet.java:413) - Could not complete
> request
> org.springframework.web.util.NestedServletException: Handler processing
> failed; nested exception is java.lang.OutOfMemoryError: Java heap space
> java.lang.OutOfMemoryError : Java heap space
> WARN [http-80-Processor101] (StandardHostValve.java:288) - Exception
> Processing ErrorPage[errorCode=404, location=/error.jsp]
> ClientAbortException: java.net.SocketException: Connection reset
> at org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java
> :327)
> at org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java
> :293)
> at org.apache.catalina.connector.Response.flushBuffer(Response.java:537)
> at org.apache.catalina.core.StandardHostValve.status(
> StandardHostValve.java:286)
> at org.apache.catalina.core.StandardHostValve.invoke(
> StandardHostValve.java:136)
> at org.apache.catalina.valves.ErrorReportValve.invoke (
> ErrorReportValve.java:105)
> at org.apache.catalina.core.StandardEngineValve.invoke(
> StandardEngineValve.java:107)
> at org.apache.catalina.connector.CoyoteAdapter.service(
> CoyoteAdapter.java:148)
> at org.apache.coyote.http11.Http11Processor.process (
> Http11Processor.java:869)
> at
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection
> (Http11BaseProtocol.java:664)
> at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(
> PoolTcpEndpoint.java :527)
> at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(
> LeaderFollowerWorkerThread.java:80)
> at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
> ThreadPool.java:684)
> at java.lang.Thread.run (Thread.java:595)
> Caused by: java.net.SocketException: Connection reset
> at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:96)
> at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
> at org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(
> InternalOutputBuffer.java:746)
> at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:433)
> at org.apache.coyote.http11.InternalOutputBuffer.flush (
> InternalOutputBuffer.java:304)
> at org.apache.coyote.http11.Http11Processor.action(Http11Processor.java
> :991)
> at org.apache.coyote.Response.action(Response.java:182)
> at org.apache.catalina.connector.OutputBuffer.doFlush (OutputBuffer.java
> :322)
> ... 13 more
> ERROR [http-80-Processor71] (FrameworkServlet.java:413) - Could not complete
> request
> org.springframework.web.util.NestedServletException: Handler processing
> failed; nested exception is java.lang.OutOfMemoryError: Java heap space
> java.lang.OutOfMemoryError: Java heap space
> ERROR [http-80-Processor55] (FrameworkServlet.java:413) - Could not complete
> request
> org.springframework.web.util.NestedServletException : Handler processing
> failed; nested exception is java.lang.OutOfMemoryError: Java heap space
> java.lang.OutOfMemoryError: Java heap space
> ERROR [http-80-Processor71] (CoyoteAdapter.java:157) - An exception or error
> occurred in the container during the request processing
> java.lang.OutOfMemoryError: Java heap space
> ERROR [http-80-Processor74] (FrameworkServlet.java:413) - Could not complete
> request
> org.springframework.web.util.NestedServletException: Handler processing
> failed; nested exception is java.lang.OutOfMemoryError: Java heap space
> java.lang.OutOfMemoryError: Java heap space
> ERROR [http-80-Processor21] (CoyoteAdapter.java:157) - An exception or error
> occurred in the container during the request processing
> java.lang.OutOfMemoryError: Java heap space
> ERROR [http-80-Processor63] (FrameworkServlet.java:413) - Could not complete
> request
> org.springframework.web.util.NestedServletException: Handler processing
> failed; nested exception is java.lang.OutOfMemoryError: Java heap space
> java.lang.OutOfMemoryError: Java heap space
> ERROR [http-80-Processor52] (CoyoteAdapter.java:157) - An exception or error
> occurred in the container during the request processing
> java.lang.OutOfMemoryError: Java heap space
> ERROR [http-80-Processor22] (FrameworkServlet.java:413) - Could not complete
> request
> org.springframework.web.util.NestedServletException: Handler processing
> failed; nested exception is java.lang.OutOfMemoryError: Java heap space
> java.lang.OutOfMemoryError: Java heap space
> ERROR [http-80-Processor89] (FrameworkServlet.java:413) - Could not complete
> request
> java.lang.OutOfMemoryError: Java heap space
> ERROR [http-80-Processor51] (FrameworkServlet.java:413) - Could not complete
> request
> org.springframework.web.util.NestedServletException: Handler processing
> failed; nested exception is java.lang.OutOfMemoryError: Java heap space
> java.lang.OutOfMemoryError: Java heap space
> ERROR [http-80-Processor96] (FrameworkServlet.java:413) - Could not complete
> request
> org.springframework.web.util.NestedServletException: Handler processing
> failed; nested exception is java.lang.OutOfMemoryError: Java heap space
> java.lang.OutOfMemoryError: Java heap space
>
>
>
> code:
> protected void doGet(HttpServletRequest request,
> HttpServletResponse response) throws ServletException,
> IOException {
> ValidateImage image = new ValidateImage();
> response.setHeader("Pragma", "No-cache");
> response.setHeader("Cache-Control", "no-cache");
> response.setDateHeader ("Expires", 0);
> try {
> BufferedImage im = image.creatImage();
> request.getSession().setAttribute(
> HttpSessionKeys.ValidateImage, image.sRand);
> ImageIO.write(im, "JPEG", response
> .getOutputStream());
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
>
> (The class ValidateImage generate a object of java.awt.image.BufferedImage)
>
> thanks.
>
