Flaky-test: AdditionalServletsTest.testEmptyStringAsExtractionDirectory

[codelipenghui]

Search before asking

• I searched in the issues and found nothing similar.

Example failure

https://github.com/apache/pulsar/actions/runs/3530823792/jobs/5923383709

Exception stacktrace

2022-11-23T09:52:32.2426617Z [ERROR] Tests run: 2, Failures: 1, Errors: 0, Skipped: 1, Time elapsed: 0.418 s <<< FAILURE! - in org.apache.pulsar.broker.web.plugin.servlet.AdditionalServletsTest
2022-11-23T09:52:32.2427429Z [ERROR] testEmptyStringAsExtractionDirectory(org.apache.pulsar.broker.web.plugin.servlet.AdditionalServletsTest)  Time elapsed: 0.018 s  <<< FAILURE!
2022-11-23T09:52:32.2428297Z java.lang.NullPointerException: Cannot invoke "org.apache.pulsar.broker.web.plugin.servlet.AdditionalServletDefinitions.servlets()" because "definitions" is null
2022-11-23T09:52:32.2429066Z 	at org.apache.pulsar.broker.web.plugin.servlet.AdditionalServlets.load(AdditionalServlets.java:89)
2022-11-23T09:52:32.2429916Z 	at org.apache.pulsar.broker.web.plugin.servlet.AdditionalServletsTest.testEmptyStringAsExtractionDirectory(AdditionalServletsTest.java:64)
2022-11-23T09:52:32.2430669Z 	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2022-11-23T09:52:32.2431238Z 	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
2022-11-23T09:52:32.2431862Z 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
2022-11-23T09:52:32.2432372Z 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
2022-11-23T09:52:32.2432886Z 	at org.testng.internal.invokers.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:139)
2022-11-23T09:52:32.2433496Z 	at org.testng.internal.invokers.InvokeMethodRunnable.runOne(InvokeMethodRunnable.java:47)
2022-11-23T09:52:32.2434054Z 	at org.testng.internal.invokers.InvokeMethodRunnable.call(InvokeMethodRunnable.java:76)
2022-11-23T09:52:32.2434590Z 	at org.testng.internal.invokers.InvokeMethodRunnable.call(InvokeMethodRunnable.java:11)
2022-11-23T09:52:32.2435071Z 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
2022-11-23T09:52:32.2435553Z 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
2022-11-23T09:52:32.2436078Z 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
2022-11-23T09:52:32.2436483Z 	at java.base/java.lang.Thread.run(Thread.java:833)

Are you willing to submit a PR?

• I'm willing to submit a PR!

[poorbarcode]

another one:

• https://github.com/apache/pulsar/actions/runs/3537347042/jobs/5937364498

[lhotari]

Yet another one: https://github.com/lhotari/pulsar/actions/runs/3539909385/jobs/5942579333#step:10:2813

[lhotari]

@andrasbeni Is this related to #17477 ?

[andrasbeni]

@lhotari, yes, it certainly is. See above my attempt at fixing it.

[lhotari]

thank you @andrasbeni for addressing this so quickly!