$ jtreg -va jdk/test/sun/tools/jconsole/WorkerDeadlockTest.java

STDOUT:
STDERR:
/home/hedongbo/myprojects/openJDK/bak/jdk8u-dev/jdk/test/sun/tools/jconsole/WorkerDeadlockTest.java:33: error: package sun.tools.jconsole does not exist
import sun.tools.jconsole.Worker;
                         ^
/home/hedongbo/myprojects/openJDK/bak/jdk8u-dev/jdk/test/sun/tools/jconsole/WorkerDeadlockTest.java:42: error: cannot find symbol
            Worker worker = new Worker("worker-" + i);
            ^
  symbol: class Worker
  location: class WorkerDeadlockTest
/home/hedongbo/myprojects/openJDK/bak/jdk8u-dev/jdk/test/sun/tools/jconsole/WorkerDeadlockTest.java:42: error: cannot find symbol
            Worker worker = new Worker("worker-" + i);
                                ^
  symbol: class Worker
  location: class WorkerDeadlockTest
3 errors

TEST RESULT: Failed. Compilation failed: Compilation failed
--------------------------------------------------
Test results: failed: 1
Report written to /home/hedongbo/myprojects/openJDK/bak/jdk8u-dev/JTreport/html/report.html
Results written to /home/hedongbo/myprojects/openJDK/bak/jdk8u-dev/JTwork
Error: Some tests failed or other problems occurred.


Proposed fix:
diff -r 9bdb41038765 test/sun/tools/jconsole/WorkerDeadlockTest.java
--- a/test/sun/tools/jconsole/WorkerDeadlockTest.java Sat Aug 29 13:55:48 2020 -0700
+++ b/test/sun/tools/jconsole/WorkerDeadlockTest.java Wed Oct 14 04:47:36 2020 +0800
@@ -26,7 +26,7 @@
  * @bug 8236872
  * @summary The test tries to catch a deadlock by creating a new worker,
  * starting it, adding an empty job and immediately stopping it.
- * @modules jdk.jconsole/sun.tools.jconsole
+ * @library ${java.home}/lib/jconsole.jar
  * @run main WorkerDeadlockTest
  */