https://bz.apache.org/bugzilla/show_bug.cgi?id=61217
--- Comment #3 from tzachi.str...@behalf.com ---
Guys thank you for the quick response!
Chuck,
before i opened the bug i saw source code of version 44 and
IdentityOutputFilter class have the same logic as 33.
i will try to run it with 8.0.44.
Mark,
it is a good question.
but before i answer that i want to share the info that i am running embedded
tomcat version 8.0.33 via spring boot.
as you can see from below stack trace spring invoke my controller and flush the
response right after that.
so IdentityOutputFilter initialize at that point.
Then the thread return back to my filter that responsible to modify it and
write it again.
response.getOriginalResponse().getWriter().write(modifyResponseContent);
The IdentityOutputFilter instance is already initialized with remaining of the
original response.
StackTrace:
http-nio-9999-exec-5@12102" daemon prio=5 tid=0x19 nid=NA runnable
java.lang.Thread.State: RUNNABLE
at
org.apache.coyote.http11.filters.IdentityOutputFilter.setResponse(IdentityOutputFilter.java:118)
at
org.apache.coyote.http11.AbstractOutputBuffer.addActiveFilter(AbstractOutputBuffer.java:200)
at
org.apache.coyote.http11.AbstractHttp11Processor.prepareResponse(AbstractHttp11Processor.java:1492)
at
org.apache.coyote.http11.AbstractHttp11Processor.action(AbstractHttp11Processor.java:739)
at org.apache.coyote.Response.action(Response.java:179)
at org.apache.coyote.Response.sendHeaders(Response.java:350)
at
org.apache.catalina.connector.OutputBuffer.doFlush(OutputBuffer.java:335)
at
org.apache.catalina.connector.OutputBuffer.flush(OutputBuffer.java:317)
at
org.apache.catalina.connector.Response.flushBuffer(Response.java:496)
at
org.apache.catalina.connector.ResponseFacade.flushBuffer(ResponseFacade.java:318)
at
javax.servlet.ServletResponseWrapper.flushBuffer(ServletResponseWrapper.java:176)
at
com.zazma.bewebapp.filter.ResponseWrapper.flushBuffer(ResponseWrapper.java:70)
at
org.springframework.http.server.ServletServerHttpResponse.flush(ServletServerHttpResponse.java:96)
at
org.springframework.web.servlet.mvc.method.annotation.HttpEntityMethodProcessor.handleReturnValue(HttpEntityMethodProcessor.java:206)
at
org.springframework.web.method.support.HandlerMethodReturnValueHandlerComposite.handleReturnValue(HandlerMethodReturnValueHandlerComposite.java:81)
Questions:
1. In case the controller return JSON (without header Content-Length)it execute
ChunkedOutputFilter.
1.1 what is the different between dose output filter?
1.2 why in IdentityOutputFilter ignore the bytes that bigger than
remaining
// The chunk is longer than the number of bytes
remaining
// in the body; changing the chunk length to the number
// of bytes remaining
chunk.setBytes(chunk.getBytes(), chunk.getStart(),
(int) remaining);
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