The following test failed in the JDK21 CI:

tools/doclint/BadPackageCommentTest.java

Here's a snippet from the log file:

----------System.err:(55/1598)----------
Output:
BadPackageCommentTest.java:14: warning: documentation comment not expected here
package p;
^
BadPackageCommentTest.java:12: error: no tag name after '@'
 * @@@
   ^
BadPackageCommentTest.java:12: error: no tag name after '@'
 * @@@
    ^
BadPackageCommentTest.java:12: error: no tag name after '@'
 * @@@
     ^
3 errors
1 warning
Error: expected output not found
EXPECT>>BadPackageCommentTest.java:14: warning: documentation comment not expected here
package p;
^
BadPackageCommentTest.java:12: error: no tag name after @
 * @@@
   ^
BadPackageCommentTest.java:12: error: no tag name after @
 * @@@
    ^
BadPackageCommentTest.java:12: error: no tag name after @
 * @@@
     ^
3 errors
1 warning<<
 FOUND>>BadPackageCommentTest.java:14: warning: documentation comment not expected here
package p;
^
BadPackageCommentTest.java:12: error: no tag name after '@'
 * @@@
   ^
BadPackageCommentTest.java:12: error: no tag name after '@'
 * @@@
    ^
BadPackageCommentTest.java:12: error: no tag name after '@'
 * @@@
     ^
3 errors
1 warning<<
java.lang.Exception: 1 errors occurred
at DocLintTester.run(DocLintTester.java:75)
at DocLintTester.main(DocLintTester.java:42)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:578)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:312)
at java.base/java.lang.Thread.run(Thread.java:1623)

JavaTest Message: Test threw exception: java.lang.Exception
JavaTest Message: shutting down test

result: Failed. Execution failed: `main' threw exception: java.lang.Exception: 1 errors occurred