Bug 569640 - Workstation locks up when running JUnit test
Summary: Workstation locks up when running JUnit test
Status: NEW
Alias: None
Product: Platform
Classification: Eclipse Project
Component: Runtime (show other bugs)
Version: 4.16   Edit
Hardware: PC Windows 10
: P3 major (vote)
Target Milestone: ---   Edit
Assignee: platform-runtime-inbox CLA
QA Contact:
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Reported: 2020-12-10 15:11 EST by Tom Beukhof CLA
Modified: 2020-12-10 15:13 EST (History)
0 users

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Attachments
Thread Dump from jvisualvm before running test (23.67 KB, text/plain)
2020-12-10 15:11 EST, Tom Beukhof CLA 		no flags Details
Errors from Eclipse log before and after running JUnit test (16.28 KB, text/plain)
2020-12-10 15:12 EST, Tom Beukhof CLA 		no flags Details
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Description Tom Beukhof CLA 2020-12-10 15:11:29 EST 
Created attachment 285017 [details]
Thread Dump from jvisualvm before running test

If I Run As JUnit Test Case on any single test file in one of the projects in our workspace or on the whole project, it jumps from 20% to 100% progress allowing to move the mouse for a few more seconds before completely locking up the whole computer. Thread dump before the action and errors after the action are attached.

Version: 2020-06 (4.16.0)
Build id: 20200615-1200

openjdk version "1.8.0_202"
OpenJDK Runtime Environment Corretto-8.202.08.2 (build 1.8.0_202-b08)
OpenJDK 64-Bit Server VM Corretto-8.202.08.2 (build 25.202-b08, mixed mode)

Run JUnit 4 test with the default run configuration

-Xmx2g for Eclipse

32GB ram, 14 GB used, no swapping
Comment 1 Tom Beukhof CLA 2020-12-10 15:12:12 EST 
Created attachment 285018 [details]
Errors from Eclipse log before and after running JUnit test
Comment 2 Tom Beukhof CLA 2020-12-10 15:13:05 EST 
Running JUnit in other projects in our workspace work fine, and running the tests in this project via Gradle does work as well.