[jira] [Created] (KYLIN-2350) When broker is not set, kylin doesn't give any hint but throw NPE

["Wang Cheng (JIRA)" <ji...@apache.org>]

Wang Cheng created KYLIN-2350:
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             Summary: When broker is not set, kylin doesn't give any hint but throw NPE
                 Key: KYLIN-2350
                 URL: https://issues.apache.org/jira/browse/KYLIN-2350
             Project: Kylin
          Issue Type: Improvement
            Reporter: Wang Cheng


If broker is not set in Kafka streaming table, there is no any helpful hint. Instead it throws a NPE:

controller.CubeController:298 :
java.lang.NullPointerException
        at java.util.Hashtable.put(Hashtable.java:514)
        at org.apache.kylin.source.kafka.util.KafkaClient.constructDefaultKafkaConsumerProperties(KafkaClient.java:74)
        at org.apache.kylin.source.kafka.util.KafkaClient.getKafkaConsumer(KafkaClient.java:42)
        at org.apache.kylin.source.kafka.util.KafkaClient.getEarliestOffsets(KafkaClient.java:145)
        at org.apache.kylin.source.kafka.KafkaSource.parsePartitionBeforeBuild(KafkaSource.java:88)
        at org.apache.kylin.rest.service.JobService.submitJob(JobService.java:216)
        at org.apache.kylin.rest.service.JobService$$FastClassBySpringCGLIB$$83a44b2a.invoke(<generated>)
        at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
        at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:700)
        at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)

Is it possible to prevent this on GUI?



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