Günter Paul created WW-5496:
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Summary: Struts filter and HttpServletResponseWrapper
Key: WW-5496
URL: https://issues.apache.org/jira/browse/WW-5496
Project: Struts 2
Issue Type: Bug
Components: Core
Affects Versions: 7.0.0
Reporter: Günter Paul
I've been using a servlet filter for a long time. It removes spaces in the
lines (trim()) and line breaks (only for *.action requests).
The filter is installed in the web.xml before the struts filter. It works very
well so far, even with the current Struts 7.0.0-M10 version.
Until now I was using Tomcat 10. After switching to Tomcat 11, only blank pages
are displayed.
If I use a web-application without struts, the filter works fine. Only when the
Struts filter (StrutsPrepareAndExecuteFilter) is installed does the output of
the wrapper appear to no longer be included in the output stream.
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