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Thomas Weise commented on APEXMALHAR-2549: ------------------------------------------ It is no surprise that this test fails randomly: {code} try { LocalMode lma = LocalMode.newInstance(); Configuration conf = new Configuration(false); lma.prepareDAG(new JdbcIOApp(), conf); LocalMode.Controller lc = lma.getController(); lc.runAsync(); // wait for records to be added to table Thread.sleep(3000); lc.shutdown(); Assert.assertEquals("Events in store", 10, getNumOfEventsInStore()); } catch (ConstraintViolationException e) { Assert.fail("constraint violations: " + e.getConstraintViolations()); } {code} > JdbcIOAppTest.testApplication is flaky > -------------------------------------- > > Key: APEXMALHAR-2549 > URL: https://issues.apache.org/jira/browse/APEXMALHAR-2549 > Project: Apache Apex Malhar > Issue Type: Bug > Reporter: Thomas Weise > Priority: Major > > One of the tests that from time to time shows up as CI failure: > java.lang.AssertionError: Events in store expected:<10> but was:<0> > at > com.datatorrent.lib.db.jdbc.JdbcIOAppTest.testApplication(JdbcIOAppTest.java:127) > https://builds.apache.org/job/Apex_Malhar_PR/org.apache.apex$malhar-library/1726/testReport/junit/com.datatorrent.lib.db.jdbc/JdbcIOAppTest/testApplication/ -- This message was sent by Atlassian JIRA (v6.4.14#64029)