Describe the bug
When profiling JDBC connections, sometimes i get a ClassCastException.

To Reproduce
Steps to reproduce the behavior:

1. Start VisualVM
2. Click on PID
3. Profile the JDBC connections on the application

Expected behavior
Expected to see SQL's showing, but VisualVM freezes and my application Freezes too.

VisualVM log
Please attach VisualVM messages.log file to help diagnose your [problem.]
messages.zip

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: Ubuntu 20.10.1
• JDK version AdoptOpenJDK 11.0.8
• Version 2.0.4

Additional context

• The application being profiled is a Java7 JBoss 5.1 application.
• VisualVM gives this errors for some parts of the Application, but not for all of them.
• I traced this error to a Netbeans Jira: https://issues.apache.org/jira/browse/NETBEANS-402
• Log of JBoss Attached - jboss.tar.gz.