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Leonard Xu commented on FLINK-18333: ------------------------------------ It seems a mariadb4j's unstable issue bu have no solution after simple investigation, I'd like and some retry logic to avoid this unstable problem. HDYT? [~jark] [~dian.fu] > UnsignedTypeConversionITCase failed caused by MariaDB4j "Asked to waitFor > Program" > ---------------------------------------------------------------------------------- > > Key: FLINK-18333 > URL: https://issues.apache.org/jira/browse/FLINK-18333 > Project: Flink > Issue Type: Bug > Components: Connectors / JDBC, Table SQL / Ecosystem > Affects Versions: 1.12.0 > Reporter: Jark Wu > Priority: Critical > Labels: test-stability > > https://dev.azure.com/rmetzger/Flink/_build/results?buildId=8173&view=logs&j=66592496-52df-56bb-d03e-37509e1d9d0f&t=ae0269db-6796-5583-2e5f-d84757d711aa > {code} > 2020-06-16T08:23:26.3013987Z [INFO] Running > org.apache.flink.connector.jdbc.table.JdbcDynamicTableSourceITCase > 2020-06-16T08:23:30.2252334Z Tue Jun 16 08:23:30 UTC 2020 Thread[main,5,main] > java.lang.NoSuchFieldException: DEV_NULL > 2020-06-16T08:23:31.2907920Z > ---------------------------------------------------------------- > 2020-06-16T08:23:31.2913806Z Tue Jun 16 08:23:30 UTC 2020: > 2020-06-16T08:23:31.2914839Z Booting Derby version The Apache Software > Foundation - Apache Derby - 10.14.2.0 - (1828579): instance > a816c00e-0172-bc39-e4b1-00000e4ce818 > 2020-06-16T08:23:31.2915845Z on database directory > memory:/__w/1/s/flink-connectors/flink-connector-jdbc/target/test with class > loader sun.misc.Launcher$AppClassLoader@677327b6 > 2020-06-16T08:23:31.2916637Z Loaded from > file:/__w/1/.m2/repository/org/apache/derby/derby/10.14.2.0/derby-10.14.2.0.jar > 2020-06-16T08:23:31.2916968Z java.vendor=Private Build > 2020-06-16T08:23:31.2917461Z > java.runtime.version=1.8.0_242-8u242-b08-0ubuntu3~16.04-b08 > 2020-06-16T08:23:31.2922200Z > user.dir=/__w/1/s/flink-connectors/flink-connector-jdbc/target > 2020-06-16T08:23:31.2922516Z os.name=Linux > 2020-06-16T08:23:31.2922709Z os.arch=amd64 > 2020-06-16T08:23:31.2923086Z os.version=4.15.0-1083-azure > 2020-06-16T08:23:31.2923316Z derby.system.home=null > 2020-06-16T08:23:31.2923616Z > derby.stream.error.field=org.apache.flink.connector.jdbc.JdbcTestBase.DEV_NULL > 2020-06-16T08:23:31.2924790Z Database Class Loader started - > derby.database.classpath='' > 2020-06-16T08:23:37.4354243Z [INFO] Tests run: 2, Failures: 0, Errors: 0, > Skipped: 0, Time elapsed: 11.133 s - in > org.apache.flink.connector.jdbc.table.JdbcDynamicTableSourceITCase > 2020-06-16T08:23:38.1880075Z [INFO] Running > org.apache.flink.connector.jdbc.table.JdbcTableSourceITCase > 2020-06-16T08:23:41.3718038Z Tue Jun 16 08:23:41 UTC 2020 Thread[main,5,main] > java.lang.NoSuchFieldException: DEV_NULL > 2020-06-16T08:23:41.4383244Z > ---------------------------------------------------------------- > 2020-06-16T08:23:41.4401761Z Tue Jun 16 08:23:41 UTC 2020: > 2020-06-16T08:23:41.4402797Z Booting Derby version The Apache Software > Foundation - Apache Derby - 10.14.2.0 - (1828579): instance > a816c00e-0172-bc3a-103b-00000e4b0610 > 2020-06-16T08:23:41.4403758Z on database directory > memory:/__w/1/s/flink-connectors/flink-connector-jdbc/target/test with class > loader sun.misc.Launcher$AppClassLoader@677327b6 > 2020-06-16T08:23:41.4404581Z Loaded from > file:/__w/1/.m2/repository/org/apache/derby/derby/10.14.2.0/derby-10.14.2.0.jar > 2020-06-16T08:23:41.4404945Z java.vendor=Private Build > 2020-06-16T08:23:41.4405497Z > java.runtime.version=1.8.0_242-8u242-b08-0ubuntu3~16.04-b08 > 2020-06-16T08:23:41.4406048Z > user.dir=/__w/1/s/flink-connectors/flink-connector-jdbc/target > 2020-06-16T08:23:41.4406303Z os.name=Linux > 2020-06-16T08:23:41.4406494Z os.arch=amd64 > 2020-06-16T08:23:41.4406878Z os.version=4.15.0-1083-azure > 2020-06-16T08:23:41.4407097Z derby.system.home=null > 2020-06-16T08:23:41.4407415Z > derby.stream.error.field=org.apache.flink.connector.jdbc.JdbcTestBase.DEV_NULL > 2020-06-16T08:23:41.5287219Z Database Class Loader started - > derby.database.classpath='' > 2020-06-16T08:23:46.4567063Z [ERROR] Tests run: 1, Failures: 0, Errors: 1, > Skipped: 0, Time elapsed: 23.729 s <<< FAILURE! - in > org.apache.flink.connector.jdbc.table.UnsignedTypeConversionITCase > 2020-06-16T08:23:46.4575785Z [ERROR] > org.apache.flink.connector.jdbc.table.UnsignedTypeConversionITCase Time > elapsed: 23.729 s <<< ERROR! > 2020-06-16T08:23:46.4576490Z ch.vorburger.exec.ManagedProcessException: An > error occurred while running a command: create database if not exists `test`; > 2020-06-16T08:23:46.4577193Z at ch.vorburger.mariadb4j.DB.run(DB.java:300) > 2020-06-16T08:23:46.4577537Z at ch.vorburger.mariadb4j.DB.run(DB.java:265) > 2020-06-16T08:23:46.4577861Z at ch.vorburger.mariadb4j.DB.run(DB.java:269) > 2020-06-16T08:23:46.4578212Z at > ch.vorburger.mariadb4j.DB.createDB(DB.java:308) > 2020-06-16T08:23:46.4578611Z at > ch.vorburger.mariadb4j.junit.MariaDB4jRule.initDB(MariaDB4jRule.java:55) > 2020-06-16T08:23:46.4579084Z at > ch.vorburger.mariadb4j.junit.MariaDB4jRule.before(MariaDB4jRule.java:50) > 2020-06-16T08:23:46.4579547Z at > org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:46) > 2020-06-16T08:23:46.4579987Z at > org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48) > 2020-06-16T08:23:46.4580440Z at > org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48) > 2020-06-16T08:23:46.4580850Z at > org.junit.rules.RunRules.evaluate(RunRules.java:20) > 2020-06-16T08:23:46.4581244Z at > org.junit.runners.ParentRunner.run(ParentRunner.java:363) > 2020-06-16T08:23:46.4581697Z at > org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365) > 2020-06-16T08:23:46.4582207Z at > org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273) > 2020-06-16T08:23:46.4583149Z at > org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238) > 2020-06-16T08:23:46.4583724Z at > org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159) > 2020-06-16T08:23:46.4584271Z at > org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384) > 2020-06-16T08:23:46.4584832Z at > org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345) > 2020-06-16T08:23:46.4585362Z at > org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126) > 2020-06-16T08:23:46.4585967Z at > org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418) > 2020-06-16T08:23:46.4587306Z Caused by: > ch.vorburger.exec.ManagedProcessException: Asked to waitFor Program > [/tmp/MariaDB4j/base/bin/mysql, --socket=/tmp/MariaDB4j.42725.sock] (in > working directory /tmp/MariaDB4j/base), but it was never even start()'ed! > 2020-06-16T08:23:46.4588006Z at > ch.vorburger.exec.ManagedProcess.assertWaitForIsValid(ManagedProcess.java:478) > 2020-06-16T08:23:46.4588500Z at > ch.vorburger.exec.ManagedProcess.waitForExitMaxMsWithoutLog(ManagedProcess.java:439) > 2020-06-16T08:23:46.4588978Z at > ch.vorburger.exec.ManagedProcess.waitForExit(ManagedProcess.java:418) > 2020-06-16T08:23:46.4589379Z at ch.vorburger.mariadb4j.DB.run(DB.java:298) > 2020-06-16T08:23:46.4589645Z ... 18 more > 2020-06-16T08:23:46.4600716Z > 2020-06-16T08:23:47.8874730Z [INFO] Tests run: 3, Failures: 0, Errors: 0, > Skipped: 0, Time elapsed: 9.698 s - in > org.apache.flink.connector.jdbc.table.JdbcTableSourceITCase > 2020-06-16T08:23:48.2451996Z [INFO] Running > org.apache.flink.connector.jdbc.table.JdbcUpsertTableSinkITCase > 2020-06-16T08:23:48.9339094Z [INFO] Running > org.apache.flink.connector.jdbc.table.JdbcDynamicTableSinkITCase > 2020-06-16T08:24:06.7722329Z [INFO] Tests run: 4, Failures: 0, Errors: 0, > Skipped: 0, Time elapsed: 18.526 s - in > org.apache.flink.connector.jdbc.table.JdbcUpsertTableSinkITCase > 2020-06-16T08:24:07.8245499Z [INFO] Tests run: 4, Failures: 0, Errors: 0, > Skipped: 0, Time elapsed: 18.889 s - in > org.apache.flink.connector.jdbc.table.JdbcDynamicTableSinkITCase > 2020-06-16T08:24:08.1984427Z [INFO] > 2020-06-16T08:24:08.1984773Z [INFO] Results: > 2020-06-16T08:24:08.1984960Z [INFO] > 2020-06-16T08:24:08.1985153Z [ERROR] Errors: > 2020-06-16T08:24:08.1991115Z [ERROR] > UnsignedTypeConversionITCase.org.apache.flink.connector.jdbc.table.UnsignedTypeConversionITCase > » ManagedProcess > {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)