[jira] [Resolved] (KAFKA-6592) NullPointerException thrown when executing ConsoleCosumer with deserializer set to `WindowedDeserializer`
[ https://issues.apache.org/jira/browse/KAFKA-6592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Matthias J. Sax resolved KAFKA-6592. Resolution: Duplicate > NullPointerException thrown when executing ConsoleCosumer with deserializer > set to `WindowedDeserializer` > - > > Key: KAFKA-6592 > URL: https://issues.apache.org/jira/browse/KAFKA-6592 > Project: Kafka > Issue Type: Bug > Components: streams, tools >Affects Versions: 1.0.0 >Reporter: huxihx >Assignee: huxihx >Priority: Minor > > When reading streams app's output topic with WindowedDeserializer deserilizer > using kafka-console-consumer.sh, NullPointerException was thrown due to the > fact that the inner deserializer was not initialized since there is no place > in ConsoleConsumer to set this class. > Complete stack trace is shown below: > {code:java} > [2018-02-26 14:56:04,736] ERROR Unknown error when running consumer: > (kafka.tools.ConsoleConsumer$) > java.lang.NullPointerException > at > org.apache.kafka.streams.kstream.internals.WindowedDeserializer.deserialize(WindowedDeserializer.java:89) > at > org.apache.kafka.streams.kstream.internals.WindowedDeserializer.deserialize(WindowedDeserializer.java:35) > at > kafka.tools.DefaultMessageFormatter.$anonfun$writeTo$2(ConsoleConsumer.scala:544) > at scala.Option.map(Option.scala:146) > at kafka.tools.DefaultMessageFormatter.write$1(ConsoleConsumer.scala:545) > at kafka.tools.DefaultMessageFormatter.writeTo(ConsoleConsumer.scala:560) > at kafka.tools.ConsoleConsumer$.process(ConsoleConsumer.scala:147) > at kafka.tools.ConsoleConsumer$.run(ConsoleConsumer.scala:84) > at kafka.tools.ConsoleConsumer$.main(ConsoleConsumer.scala:54) > at kafka.tools.ConsoleConsumer.main(ConsoleConsumer.scala) > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Resolved] (KAFKA-6592) NullPointerException thrown when executing ConsoleCosumer with deserializer set to `WindowedDeserializer`
[ https://issues.apache.org/jira/browse/KAFKA-6592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Guozhang Wang resolved KAFKA-6592. -- Resolution: Fixed Thanks for the reminder! > NullPointerException thrown when executing ConsoleCosumer with deserializer > set to `WindowedDeserializer` > - > > Key: KAFKA-6592 > URL: https://issues.apache.org/jira/browse/KAFKA-6592 > Project: Kafka > Issue Type: Bug > Components: streams, tools >Affects Versions: 1.0.0 >Reporter: huxihx >Assignee: huxihx >Priority: Minor > > When reading streams app's output topic with WindowedDeserializer deserilizer > using kafka-console-consumer.sh, NullPointerException was thrown due to the > fact that the inner deserializer was not initialized since there is no place > in ConsoleConsumer to set this class. > Complete stack trace is shown below: > {code:java} > [2018-02-26 14:56:04,736] ERROR Unknown error when running consumer: > (kafka.tools.ConsoleConsumer$) > java.lang.NullPointerException > at > org.apache.kafka.streams.kstream.internals.WindowedDeserializer.deserialize(WindowedDeserializer.java:89) > at > org.apache.kafka.streams.kstream.internals.WindowedDeserializer.deserialize(WindowedDeserializer.java:35) > at > kafka.tools.DefaultMessageFormatter.$anonfun$writeTo$2(ConsoleConsumer.scala:544) > at scala.Option.map(Option.scala:146) > at kafka.tools.DefaultMessageFormatter.write$1(ConsoleConsumer.scala:545) > at kafka.tools.DefaultMessageFormatter.writeTo(ConsoleConsumer.scala:560) > at kafka.tools.ConsoleConsumer$.process(ConsoleConsumer.scala:147) > at kafka.tools.ConsoleConsumer$.run(ConsoleConsumer.scala:84) > at kafka.tools.ConsoleConsumer$.main(ConsoleConsumer.scala:54) > at kafka.tools.ConsoleConsumer.main(ConsoleConsumer.scala) > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)
[jira] [Resolved] (KAFKA-6592) NullPointerException thrown when executing ConsoleCosumer with deserializer set to `WindowedDeserializer`
[ https://issues.apache.org/jira/browse/KAFKA-6592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] huxihx resolved KAFKA-6592. --- Resolution: Duplicate Seems it's a duplicate of [KAFKA-4831|https://issues.apache.org/jira/browse/KAFKA-4831] > NullPointerException thrown when executing ConsoleCosumer with deserializer > set to `WindowedDeserializer` > - > > Key: KAFKA-6592 > URL: https://issues.apache.org/jira/browse/KAFKA-6592 > Project: Kafka > Issue Type: Bug > Components: tools >Affects Versions: 1.0.0 >Reporter: huxihx >Assignee: huxihx >Priority: Minor > > When reading streams app's output topic with WindowedDeserializer deserilizer > using kafka-console-consumer.sh, NullPointerException was thrown due to the > fact that the inner deserializer was not initialized since there is no place > in ConsoleConsumer to set this class. > Complete stack trace is shown below: > {code:java} > [2018-02-26 14:56:04,736] ERROR Unknown error when running consumer: > (kafka.tools.ConsoleConsumer$) > java.lang.NullPointerException > at > org.apache.kafka.streams.kstream.internals.WindowedDeserializer.deserialize(WindowedDeserializer.java:89) > at > org.apache.kafka.streams.kstream.internals.WindowedDeserializer.deserialize(WindowedDeserializer.java:35) > at > kafka.tools.DefaultMessageFormatter.$anonfun$writeTo$2(ConsoleConsumer.scala:544) > at scala.Option.map(Option.scala:146) > at kafka.tools.DefaultMessageFormatter.write$1(ConsoleConsumer.scala:545) > at kafka.tools.DefaultMessageFormatter.writeTo(ConsoleConsumer.scala:560) > at kafka.tools.ConsoleConsumer$.process(ConsoleConsumer.scala:147) > at kafka.tools.ConsoleConsumer$.run(ConsoleConsumer.scala:84) > at kafka.tools.ConsoleConsumer$.main(ConsoleConsumer.scala:54) > at kafka.tools.ConsoleConsumer.main(ConsoleConsumer.scala) > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)