You might want to have a look at https://bz.apache.org/bugzilla/show_bug.cgi?id=63360
Regards Felix Am 26. Juni 2019 20:58:45 MESZ schrieb Warren Post <war...@spideroak-inc.com>: >After running a test in the GUI, I press the response data button in >the view results tree. According to a tutorial I am following, I should >see the response of the server I tested. Instead the view results tree >portion of the JMeter GUI freezes, GUI elements may appear misplaced, >and there is no apparent way to view the server's response. > >I installed first OpenJDK 12.0.1 and then JMeter 5.1.1 on Mac 10.14.5 >using Homebrew. I launch JMeter via a terminal. When I trigger the GUI >problem, stdout says: > >Uncaught Exception java.lang.ClassCastException: class >javax.swing.text.DefaultStyledDocument cannot be cast to class >jsyntaxpane.SyntaxDocument (javax.swing.text.DefaultStyledDocument is >in >module java.desktop of loader 'bootstrap'; jsyntaxpane.SyntaxDocument >is in >unnamed module of loader org.apache.jmeter.DynamicClassLoader >@2a84aee7). >See log file for details. > >The final entry in jmeter.log (attached) has a timestamp that >corresponds to triggering the GUI problem. > >Searching both this forum and elsewhere I can find no other reports of >this problem, so presumably the issue is on my end. What should I be >looking at to find and fix my problem? > > >-- > >Warren
