Hello,
I´m trying to use a filter to compress my application using GZIP. I have
read:
http://www.javaworld.com/javaworld/jw-06-2001/jw-0622-filters-p3.html
and it seems to work except when I chain actions. It uses a RequestWrapper
for not writing the stream to the response. If I call one action which
executes a forward to another action, I get te exception:
java.io.IOException: Cannot flush a closed output stream
at
es.aranzadi.base.controller.CompressionResponseStream.flush(CompressionRespo
nseStream.java:84)
at
es.aranzadi.base.controller.CompressionResponseWrapper.flushBuffer(Compressi
onResponseWrapper.java:38)
at com.evermind[Oracle9iAS (9.0.3.0.0) Containers for
J2EE].server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.
java:244)
at com.evermind[Oracle9iAS (9.0.3.0.0) Containers for
J2EE].server.http.GetParametersRequestDispatcher.forward(GetParametersReques
tDispatcher.java:189)
at
org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:10
69)
at
org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProces
sor.java:455)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:279)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.evermind[Oracle9iAS (9.0.3.0.0) Containers for
J2EE].server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
at
es.aranzadi.base.controller.CompressionFilter.doFilter(CompressionFilter.jav
a:67)
at com.evermind[Oracle9iAS (9.0.3.0.0) Containers for
J2EE].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.j
ava:560)
at com.evermind[Oracle9iAS (9.0.3.0.0) Containers for
J2EE].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDis
patcher.java:306)
at com.evermind[Oracle9iAS (9.0.3.0.0) Containers for
J2EE].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:
767)
at com.evermind[Oracle9iAS (9.0.3.0.0) Containers for
J2EE].server.http.HttpRequestHandler.run(HttpRequestHandler.java:259)
at com.evermind[Oracle9iAS (9.0.3.0.0) Containers for
J2EE].server.http.HttpRequestHandler.run(HttpRequestHandler.java:106)
at
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.ja
va:803)
at java.lang.Thread.run(Thread.java:484)
Why the stream is closed? My application never colses the response stream.
Can anybody help me?
Jose R.
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