Hit any url in browser Open network tab in Firefox Copy Request headers Paste into Header Manager You end up having one space before each value
Author: pmouawad Date: Fri Nov 3 09:36:16 2017 New Revision: 1814153 URL: http://svn.apache.org/viewvc?rev=1814153&view=rev Log: Bug 61716 - Header Manager : When pasting Headers from Firefox or Chrome spaces are introduced as first character of value Bugzilla Id: 61716 Modified: jmeter/trunk/src/protocol/http/org/apache/jmeter/protocol/http/gui/HeaderPanel.java jmeter/trunk/xdocs/changes.xml
This issue has been migrated to GitHub: https://github.com/apache/jmeter/issues/4564