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https://issues.apache.org/jira/browse/KAFKA-9545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17805107#comment-17805107
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Ashwin Pankaj commented on KAFKA-9545:
--------------------------------------
[~cadonna] I ran the test 600 times using the following script
{quote}I=0; while ./gradlew streams:integrationTest --tests
org.apache.kafka.streams.integration.RegexSourceIntegrationTest.testRegexMatchesTopicsAWhenDeleted
--rerun --fail-fast; do (( I=$I+1 )); echo "Completed run: $I"; sleep 1; done
{quote}
and the test always passes. The tests were run with the following settings
{quote}Starting build with version 3.8.0-SNAPSHOT (commit id 0349f231) using
Gradle 8.5, Java 11 and Scala 2.13.12
Build properties: maxParallelForks=10, maxScalacThreads=8, maxTestRetries=0
{quote}
Can you please share the command you used to test ?
> Flaky Test `RegexSourceIntegrationTest.testRegexMatchesTopicsAWhenDeleted`
> --------------------------------------------------------------------------
>
> Key: KAFKA-9545
> URL: https://issues.apache.org/jira/browse/KAFKA-9545
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Reporter: Jason Gustafson
> Assignee: Lucas Brutschy
> Priority: Major
>
> https://builds.apache.org/job/kafka-pr-jdk11-scala2.13/4678/testReport/org.apache.kafka.streams.integration/RegexSourceIntegrationTest/testRegexMatchesTopicsAWhenDeleted/
> {code}
> java.lang.AssertionError: Condition not met within timeout 15000. Stream
> tasks not updated
> at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:26)
> at
> org.apache.kafka.test.TestUtils.lambda$waitForCondition$5(TestUtils.java:367)
> at
> org.apache.kafka.test.TestUtils.retryOnExceptionWithTimeout(TestUtils.java:415)
> at
> org.apache.kafka.test.TestUtils.retryOnExceptionWithTimeout(TestUtils.java:383)
> at org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:366)
> at org.apache.kafka.test.TestUtils.waitForCondition(TestUtils.java:337)
> at
> org.apache.kafka.streams.integration.RegexSourceIntegrationTest.testRegexMatchesTopicsAWhenDeleted(RegexSourceIntegrationTest.java:224)
> 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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> {code}
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