com/sun/net/httpserver/bugs/B6373555.java fails on Windows 2003

Regression test com/sun/net/httpserver/bugs/B6373555.java always fails on Windows 2003 against jdk 6. Both x86 and x64 arch.
Test passes always on Windows 7.

Log:

#section:main
----------messages:(3/118)----------
command: main B6373555
reason: Assumed action based on file name: run main B6373555
elapsed time (seconds): 3.203
----------System.out:(2/86)----------
Main thread waiting
..................................................Doesn't match
----------System.err:(30/1781)----------
java.lang.Exception: error in test
at B6373555.main(B6373555.java:54)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.sun.javatest.regtest.MainWrapper$MainThread.run(MainWrapper.java:96)
at java.lang.Thread.run(Thread.java:662)

JavaTest Message: Test threw exception: java.lang.Exception: error in test
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.Exception: error in test
java.io.IOException: stream is closed
at sun.net.httpserver.Request$WriteStream.write(Request.java:386)
at sun.net.httpserver.FixedLengthOutputStream.write(FixedLengthOutputStream.java:60)
at java.io.FilterOutputStream.write(FilterOutputStream.java:80)
at sun.net.httpserver.PlaceholderOutputStream.write(ExchangeImpl.java:385)
at B6373555.writePostReply(B6373555.java:176)
at B6373555.access$600(B6373555.java:14)
at B6373555$1.handle(B6373555.java:147)
at com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:65)
at sun.net.httpserver.AuthFilter.doFilter(AuthFilter.java:65)
at com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:68)
at sun.net.httpserver.ServerImpl$Exchange$LinkHandler.handle(ServerImpl.java:557)
at com.sun.net.httpserver.Filter$Chain.doFilter(Filter.java:65)
at sun.net.httpserver.ServerImpl$Exchange.run(ServerImpl.java:529)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
result: Failed. Execution failed: `main' threw exception: java.lang.Exception: error in test


test result: Failed. Execution failed: `main' threw exception: java.lang.Exception: error in test