Gary Yao created FLINK-10586: -------------------------------- Summary: Running {{RestServerEndpointITCase}} may cause Kernel Panic Key: FLINK-10586 URL: https://issues.apache.org/jira/browse/FLINK-10586 Project: Flink Issue Type: Bug Components: REST, Tests Affects Versions: 1.6.1, 1.7.0 Environment: *Rev:* 3566bb8987872b29aa88b8f7d5b0f122e74bd518 *OS:* macOS High Sierra 10.13.6 (17G65) *Maven:* 3.2.5 *Java:* openjdk version "1.8.0_181" OpenJDK Runtime Environment (Zulu 8.31.0.1-macosx) (build 1.8.0_181-b02) OpenJDK 64-Bit Server VM (Zulu 8.31.0.1-macosx) (build 25.181-b02, mixed mode) Reporter: Gary Yao Fix For: 1.8.0 Attachments: loop_test_kernel_panic.patch
Running the tests in {{RestServerEndpointITCase}} in a loop may cause a Kernel panic on OS X. I have observed this to happen with tests that use the {{OkHttpClient}}, such as {{testDefaultVersionRouting}}. To run the aforementioned test in a loop, apply the git patch in the attachment, and execute the following command: {code} mvn clean integration-test -pl flink-runtime -am -Dtest=RestServerEndpointITCase -Dfast -DfailIfNoTests=false -Dsurefire.skipAfterFailureCount=1 -Dlog.dir=/path/to/log-dir -Dlog4j.configuration=file:///path/to/flink/tools/log4j-travis.properties {code} The test eventually fails with the exception below. A few moments later the operation system restarts. {noformat} ================================================================================ 16:43:17,421 INFO org.apache.flink.runtime.rest.RestServerEndpointITCase - ================================================================================ Test testDefaultVersionRouting[4019](org.apache.flink.runtime.rest.RestServerEndpointITCase) is running. -------------------------------------------------------------------------------- 16:43:17,422 WARN org.apache.flink.runtime.rest.RestServerEndpointITCase$TestRestServerEndpoint - Upload directory /private/var/folders/43/ghpk0br14m99tnl9b86lwfsm0000gn/T/junit8985109840988505849/junit7034313885477230537/flink-web-upload does not exist, or has been deleted externally. Previously uploaded files are no longer available. 16:43:17,422 INFO org.apache.flink.runtime.rest.RestServerEndpointITCase$TestRestServerEndpoint - Created directory /private/var/folders/43/ghpk0br14m99tnl9b86lwfsm0000gn/T/junit8985109840988505849/junit7034313885477230537/flink-web-upload for file uploads. 16:43:17,422 INFO org.apache.flink.runtime.rest.RestClient - Rest client endpoint started. 16:43:17,422 INFO org.apache.flink.runtime.rest.RestServerEndpointITCase$TestRestServerEndpoint - Starting rest endpoint. 16:43:17,423 INFO org.apache.flink.runtime.rest.RestServerEndpointITCase$TestRestServerEndpoint - Rest endpoint listening at localhost:57561 16:43:17,429 INFO org.apache.flink.runtime.rest.RestClient - Shutting down rest endpoint. 16:43:17,431 INFO org.apache.flink.runtime.rest.RestClient - Rest endpoint shutdown complete. 16:43:17,431 INFO org.apache.flink.runtime.rest.RestServerEndpointITCase$TestRestServerEndpoint - Shutting down rest endpoint. 16:43:17,435 ERROR org.apache.flink.runtime.rest.RestServerEndpointITCase - -------------------------------------------------------------------------------- Test testDefaultVersionRouting[4019](org.apache.flink.runtime.rest.RestServerEndpointITCase) failed with: java.lang.AssertionError: Bad file descriptor (Write failed) at org.apache.flink.runtime.rest.RestServerEndpointITCase.testDefaultVersionRouting(RestServerEndpointITCase.java:260) at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48) at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55) at org.junit.rules.RunRules.evaluate(RunRules.java:20) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:27) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:283) at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:173) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:128) at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203) at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103) {noformat} -- This message was sent by Atlassian JIRA (v7.6.3#76005)