Description of problem:

Platform BZ for JBPM-3747 Web Designer causes java.net.SocketException: Connection reset by peer: socket write error in Guvnor REST API

We observes an Exception but no defect in functionallity.

How reproducible:

The exception is observed only in Windows7 so far. In my colleague's Win7, it's constantly reproducible but in my Win7, it's reproducible but not constant.

Steps to Reproduce:

- Create process A with Web Designer, generate its png and save the process
- Create process B with Web Designer
-- Add Reusable Subprocess and click CalledElement property drop-down list

Actual results:

An Exception is thrown in server side,

2012-07-27 14:41:42,469 ERROR [STDERR] (http-0.0.0.0-8080-8) ClientAbortException:  java.net.SocketException: Connection reset by peer: socket write error^M
2012-07-27 14:41:42,469 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:402)^M
2012-07-27 14:41:42,470 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:354)^M
2012-07-27 14:41:42,470 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:425)^M
2012-07-27 14:41:42,470 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:414)^M
2012-07-27 14:41:42,470 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:89)^M
2012-07-27 14:41:42,470 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.cxf.io.AbstractWrappedOutputStream.write(AbstractWrappedOutputStream.java:46)^M
2012-07-27 14:41:42,471 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.cxf.helpers.IOUtils.copy(IOUtils.java:141)^M
2012-07-27 14:41:42,471 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.cxf.helpers.IOUtils.copyAndCloseInput(IOUtils.java:109)^M
2012-07-27 14:41:42,471 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.cxf.jaxrs.provider.BinaryDataProvider.writeTo(BinaryDataProvider.java:89)^M
2012-07-27 14:41:42,471 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.serializeMessage(JAXRSOutInterceptor.java:256)^M
...
2012-07-27 14:41:42,477 ERROR [STDERR] (http-0.0.0.0-8080-8) Caused by: java.net.SocketException: Connection reset by peer: socket write error^M
2012-07-27 14:41:42,477 ERROR [STDERR] (http-0.0.0.0-8080-8)    at java.net.SocketOutputStream.socketWrite0(Native Method)^M
2012-07-27 14:41:42,478 ERROR [STDERR] (http-0.0.0.0-8080-8)    at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)^M
2012-07-27 14:41:42,478 ERROR [STDERR] (http-0.0.0.0-8080-8)    at java.net.SocketOutputStream.write(SocketOutputStream.java:136)^M
2012-07-27 14:41:42,478 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(InternalOutputBuffer.java:724)^M
2012-07-27 14:41:42,481 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:449)^M
2012-07-27 14:41:42,481 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:349)^M
2012-07-27 14:41:42,482 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:748)^M
2012-07-27 14:41:42,482 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.coyote.http11.filters.ChunkedOutputFilter.doWrite(ChunkedOutputFilter.java:126)^M
2012-07-27 14:41:42,482 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuffer.java:557)^M
2012-07-27 14:41:42,482 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.coyote.Response.doWrite(Response.java:567)^M
2012-07-27 14:41:42,482 ERROR [STDERR] (http-0.0.0.0-8080-8)    at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:397)^M
2012-07-27 14:41:42,482 ERROR [STDERR] (http-0.0.0.0-8080-8)    ... 50 more^M


Expected results:

No exception in server.log