If a request fails, the request headers are not shown. This is because the headers are currently retrieved after the request is executed so as to ensure that they are up-to-date; this code is not executed if an exception is thrown.
URL: http://svn.apache.org/viewvc?rev=1412363&view=rev Log: Request tab does not show headers if request fails Bugzilla Id: 54187 Modified: jmeter/trunk/src/protocol/http/org/apache/jmeter/protocol/http/sampler/HTTPHC3Impl.java jmeter/trunk/src/protocol/http/org/apache/jmeter/protocol/http/sampler/HTTPHC4Impl.java jmeter/trunk/xdocs/changes.xml
*** Bug 54321 has been marked as a duplicate of this bug. ***
This issue has been migrated to GitHub: https://github.com/apache/jmeter/issues/2993