java/nio/channels/spi/SelectorProvider/inheritedChannel/InheritedChannelTest.java failed

java/nio/channels/spi/SelectorProvider/inheritedChannel/InheritedChannelTest.java

observed this test failed intermittently:

----------System.out:(75/6174)----------
[TestNG] Running:
  java/nio/channels/spi/SelectorProvider/inheritedChannel/InheritedChannelTest.java

LD_LIBRARY_PATH=/scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk12-jdk.66/linux-x64.test/jdk/jtreg/native
Command line: [/scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk12-jdk.66/linux-x64.jdk/jdk-12/bin/java -XX:MaxRAMPercentage=8 -ea -esa -Xmx512m --add-opens java.base/java.io=ALL-UNNAMED --add-opens java.base/sun.nio.ch=ALL-UNNAMED StateTest]
All tests passed.

test InheritedChannelTest.test("StateTest", [StateTest]): success
LD_LIBRARY_PATH=/scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk12-jdk.66/linux-x64.test/jdk/jtreg/native
Command line: [/scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk12-jdk.66/linux-x64.jdk/jdk-12/bin/java -XX:MaxRAMPercentage=8 -ea -esa -Xmx512m --add-opens java.base/java.io=ALL-UNNAMED --add-opens java.base/sun.nio.ch=ALL-UNNAMED EchoTest]
TCP echo test passed.
java.net.SocketTimeoutException
at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:196)
at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:210)
at EchoTest.UDPEchoTest(EchoTest.java:148)
at EchoTest.main(EchoTest.java:170)
java.net.SocketTimeoutException
Exception in thread "main" java.lang.RuntimeException: Test failed - see log for details
at EchoTest.main(EchoTest.java:179)

test InheritedChannelTest.test("EchoTest", [EchoTest]): failure
java.lang.RuntimeException: Expected to get exit value of [0]

at jdk.test.lib.process.OutputAnalyzer.shouldHaveExitValue(OutputAnalyzer.java:396)
at InheritedChannelTest.test(InheritedChannelTest.java:116)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:85)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:639)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:821)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1131)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:124)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:108)
at org.testng.TestRunner.privateRun(TestRunner.java:773)
at org.testng.TestRunner.run(TestRunner.java:623)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:357)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:352)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:310)
at org.testng.SuiteRunner.run(SuiteRunner.java:259)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1185)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1110)
at org.testng.TestNG.run(TestNG.java:1018)
at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:94)
at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:54)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:834)
LD_LIBRARY_PATH=/scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk12-jdk.66/linux-x64.test/jdk/jtreg/native
Command line: [/scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk12-jdk.66/linux-x64.jdk/jdk-12/bin/java -XX:MaxRAMPercentage=8 -ea -esa -Xmx512m --add-opens java.base/java.io=ALL-UNNAMED --add-opens java.base/sun.nio.ch=ALL-UNNAMED CloseTest]
Test passed - service closed connection.

test InheritedChannelTest.test("CloseTest", [CloseTest]): success
LD_LIBRARY_PATH=/scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk12-jdk.66/linux-x64.test/jdk/jtreg/native
Command line: [/scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk12-jdk.66/linux-x64.jdk/jdk-12/bin/java -XX:MaxRAMPercentage=8 -ea -esa -Xmx512m --add-opens java.base/java.io=ALL-UNNAMED --add-opens java.base/sun.nio.ch=ALL-UNNAMED StateTest -Djava.security.manager -Djava.security.policy=/scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk12-jdk.66/src.full/open/test/jdk/java/nio/channels/spi/SelectorProvider/inheritedChannel/java.policy.pass]
All tests passed.

test InheritedChannelTest.test("StateTest run with /scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk12-jdk.66/src.full/open/test/jdk/java/nio/channels/spi/SelectorProvider/inheritedChannel/java.policy.pass", java.util.ImmutableCollections$ListN@b6e596e): success
LD_LIBRARY_PATH=/scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk12-jdk.66/linux-x64.test/jdk/jtreg/native
Command line: [/scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk12-jdk.66/linux-x64.jdk/jdk-12/bin/java -XX:MaxRAMPercentage=8 -ea -esa -Xmx512m --add-opens java.base/java.io=ALL-UNNAMED --add-opens java.base/sun.nio.ch=ALL-UNNAMED StateTest -expectFail -Djava.security.manager -Djava.security.policy=/scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk12-jdk.66/src.full/open/test/jdk/java/nio/channels/spi/SelectorProvider/inheritedChannel/java.policy.fail]
All tests passed.

test InheritedChannelTest.test("StateTest run with /scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk12-jdk.66/src.full/open/test/jdk/java/nio/channels/spi/SelectorProvider/inheritedChannel/java.policy.fail", java.util.ImmutableCollections$ListN@26cc06a5): success

===============================================
java/nio/channels/spi/SelectorProvider/inheritedChannel/InheritedChannelTest.java
Total tests run: 5, Failures: 1, Skips: 0
===============================================

----------System.err:(27/1366)----------
 stdout: [TCP echo test passed.
];
 stderr: [java.net.SocketTimeoutException
at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:196)
at java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:210)
at EchoTest.UDPEchoTest(EchoTest.java:148)
at EchoTest.main(EchoTest.java:170)
java.net.SocketTimeoutException
Exception in thread "main" java.lang.RuntimeException: Test failed - see log for details
at EchoTest.main(EchoTest.java:179)
]
 exitValue = 1

java.lang.Exception: failures: 1
at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:96)
at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:54)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:834)

JavaTest Message: Test threw exception: java.lang.Exception: failures: 1
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.Exception: failures: 1