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https://issues.apache.org/jira/browse/KAFKA-10642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17221051#comment-17221051
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Bill Bejeck commented on KAFKA-10642:
-------------------------------------
Hi [~senthilm-ms], since this is not a blocker issue and we've past code freeze
for 2.7 I'm going to change the fix version of this ticket to 2.8 as part of
the 2.7.0 release process.
> Expose the real stack trace if any exception occurred during SSL Client Trust
> Verification in extension
> -------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-10642
> URL: https://issues.apache.org/jira/browse/KAFKA-10642
> Project: Kafka
> Issue Type: Bug
> Components: clients
> Affects Versions: 2.3.0, 2.4.0, 2.3.1, 2.5.0, 2.4.1, 2.6.0, 2.5.1
> Reporter: Senthilnathan Muthusamy
> Assignee: Senthilnathan Muthusamy
> Priority: Minor
> Fix For: 2.7.0
>
>
> If there is any exception occurred in the custom implementation of client
> trust verification (i.e. using security.provider), the inner exception is
> suppressed or hidden and not logged to the log file...
>
> Below is an example stack trace not showing actual exception from the
> extension/custom implementation.
>
> [2020-05-13 14:30:26,892] ERROR [KafkaServer id=423810470] Fatal error during
> KafkaServer startup. Prepare to shutdown
> (kafka.server.KafkaServer)[2020-05-13 14:30:26,892] ERROR [KafkaServer
> id=423810470] Fatal error during KafkaServer startup. Prepare to shutdown
> (kafka.server.KafkaServer) org.apache.kafka.common.KafkaException:
> org.apache.kafka.common.config.ConfigException: Invalid value
> java.lang.RuntimeException: Delegated task threw Exception/Error for
> configuration A client SSLEngine created with the provided settings can't
> connect to a server SSLEngine created with those settings. at
> org.apache.kafka.common.network.SslChannelBuilder.configure(SslChannelBuilder.java:71)
> at
> org.apache.kafka.common.network.ChannelBuilders.create(ChannelBuilders.java:146)
> at
> org.apache.kafka.common.network.ChannelBuilders.serverChannelBuilder(ChannelBuilders.java:85)
> at kafka.network.Processor.<init>(SocketServer.scala:753) at
> kafka.network.SocketServer.newProcessor(SocketServer.scala:394) at
> kafka.network.SocketServer.$anonfun$addDataPlaneProcessors$1(SocketServer.scala:279)
> at scala.collection.immutable.Range.foreach$mVc$sp(Range.scala:158) at
> kafka.network.SocketServer.addDataPlaneProcessors(SocketServer.scala:278) at
> kafka.network.SocketServer.$anonfun$createDataPlaneAcceptorsAndProcessors$1(SocketServer.scala:241)
> at
> kafka.network.SocketServer.$anonfun$createDataPlaneAcceptorsAndProcessors$1$adapted(SocketServer.scala:238)
> at scala.collection.mutable.ResizableArray.foreach(ResizableArray.scala:62)
> at scala.collection.mutable.ResizableArray.foreach$(ResizableArray.scala:55)
> at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:49) at
> kafka.network.SocketServer.createDataPlaneAcceptorsAndProcessors(SocketServer.scala:238)
> at kafka.network.SocketServer.startup(SocketServer.scala:121) at
> kafka.server.KafkaServer.startup(KafkaServer.scala:265) at
> kafka.server.KafkaServerStartable.startup(KafkaServerStartable.scala:44) at
> kafka.Kafka$.main(Kafka.scala:84) at kafka.Kafka.main(Kafka.scala)Caused by:
> org.apache.kafka.common.config.ConfigException: Invalid value
> java.lang.RuntimeException: Delegated task threw Exception/Error for
> configuration A client SSLEngine created with the provided settings can't
> connect to a server SSLEngine created with those settings. at
> org.apache.kafka.common.security.ssl.SslFactory.configure(SslFactory.java:100)
> at
> org.apache.kafka.common.network.SslChannelBuilder.configure(SslChannelBuilder.java:69)
> ... 18 more
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