2020-11-15T22:42:03.3053212Z 22:42:03,303 [ Time-limited test] INFO org.apache.flink.yarn.YARNSessionFIFOITCase [] - Finished testDetachedMode()
2020-11-15T22:42:37.9020133Z [ERROR] Tests run: 5, Failures: 2, Errors: 0, Skipped: 2, Time elapsed: 67.485 s <<< FAILURE! - in org.apache.flink.yarn.YARNSessionFIFOSecuredITCase
2020-11-15T22:42:37.9022015Z [ERROR] testDetachedMode(org.apache.flink.yarn.YARNSessionFIFOSecuredITCase) Time elapsed: 12.841 s <<< FAILURE!
2020-11-15T22:42:37.9023701Z java.lang.AssertionError:
2020-11-15T22:42:37.9025649Z Found a file /__w/2/s/flink-yarn-tests/target/flink-yarn-tests-fifo-secured/flink-yarn-tests-fifo-secured-logDir-nm-1_0/application_1605480087188_0002/container_1605480087188_0002_01_000002/taskmanager.out with a prohibited string (one of [Exception, Started SelectChannelConnector@0.0.0.0:8081]). Excerpts:
2020-11-15T22:42:37.9026730Z [
2020-11-15T22:42:37.9027080Z Error occurred during initialization of boot layer
2020-11-15T22:42:37.9027623Z java.lang.IllegalStateException: Module system already initialized
2020-11-15T22:42:37.9033278Z java.lang.IllegalStateException: Module system already initialized
2020-11-15T22:42:37.9033825Z ]
2020-11-15T22:42:37.9034291Z at org.junit.Assert.fail(Assert.java:88)
2020-11-15T22:42:37.9034971Z at org.apache.flink.yarn.YarnTestBase.ensureNoProhibitedStringInLogFiles(YarnTestBase.java:479)
2020-11-15T22:42:37.9035814Z at org.apache.flink.yarn.YARNSessionFIFOITCase.checkForProhibitedLogContents(YARNSessionFIFOITCase.java:83)