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https://issues.apache.org/jira/browse/KAFKA-6757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16428078#comment-16428078
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ASF GitHub Bot commented on KAFKA-6757:
---------------------------------------
eolivelli opened a new pull request #4833: KAFKA-6757 Log runtime exception in
case of server startup errors
URL: https://github.com/apache/kafka/pull/4833
Sometimes while running Kafka server inside tests of an upstream application
it can happen that the server cannot start due to a bad runtime error, like a
missing jar on the classpath, see KAFKA-6757 for examples .
I would like KafkaServerStartable to log any 'Throwable' in order to catch
this unpredictable error
Testing strategy: no test case is needed or it is worth to add
### Committer Checklist (excluded from commit message)
- [ ] Verify design and implementation
- [ ] Verify test coverage and CI build status
- [ ] Verify documentation (including upgrade notes)
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> Log runtime exception in case of server startup errors
> ------------------------------------------------------
>
> Key: KAFKA-6757
> URL: https://issues.apache.org/jira/browse/KAFKA-6757
> Project: Kafka
> Issue Type: Improvement
> Components: log
> Affects Versions: 1.0.1
> Reporter: Enrico Olivelli
> Priority: Minor
>
> Sometimes while running Kafka server inside tests of an upstream application
> it can happen that the server cannot start due to a bad runtime error, like a
> missing jar on the classpath.
> I would like KafkaServerStartable to log any 'Throwable' in order to catch
> this unpredictable errors
>
> like this
> {code:java}
> java.lang.NoClassDefFoundError: com/fasterxml/jackson/annotation/JsonMerge
> at
> com.fasterxml.jackson.databind.introspect.JacksonAnnotationIntrospector.<clinit>(JacksonAnnotationIntrospector.java:50)
> at
> com.fasterxml.jackson.databind.ObjectMapper.<clinit>(ObjectMapper.java:291)
> at kafka.utils.Json$.<init>(Json.scala:29)
> at kafka.utils.Json$.<clinit>(Json.scala)
> at kafka.utils.ZkUtils$ClusterId$.toJson(ZkUtils.scala:299)
> at kafka.utils.ZkUtils.createOrGetClusterId(ZkUtils.scala:314)
> at
> kafka.server.KafkaServer$$anonfun$getOrGenerateClusterId$1.apply(KafkaServer.scala:356)
> at
> kafka.server.KafkaServer$$anonfun$getOrGenerateClusterId$1.apply(KafkaServer.scala:356)
> at scala.Option.getOrElse(Option.scala:121)
> at kafka.server.KafkaServer.getOrGenerateClusterId(KafkaServer.scala:356)
> at kafka.server.KafkaServer.startup(KafkaServer.scala:197)
> at
> kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:38)
> at
> magnews.datastream.server.DataStreamServer.start(DataStreamServer.java:96)
> at
> magnews.datastream.server.RealServerSinglePartitionTest.test(RealServerSinglePartitionTest.java:85)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 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.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
> at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325){code}
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