[jira] [Created] (KAFKA-14559) Handle object name with wildcards in the Jmx tool

[Kamal Chandraprakash (Jira)]

Kamal Chandraprakash created KAFKA-14559:
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             Summary: Handle object name with wildcards in the Jmx tool
                 Key: KAFKA-14559
                 URL: https://issues.apache.org/jira/browse/KAFKA-14559
             Project: Kafka
          Issue Type: Task
            Reporter: Kamal Chandraprakash
            Assignee: Kamal Chandraprakash


{code}
❯ sh kafka-run-class.sh kafka.tools.JmxTool --jmx-url 
service:jmx:rmi:///jndi/rmi://127.0.0.1:9999/jmxrmi --object-name 
kafka.server:type=BrokerTopicMetrics,*

Trying to connect to JMX url: 
service:jmx:rmi:///jndi/rmi://127.0.0.1:9999/jmxrmi.
Exception in thread "main" java.lang.NullPointerException
        at kafka.tools.JmxTool$.main(JmxTool.scala:194)
        at kafka.tools.JmxTool.main(JmxTool.scala)

❯ sh kafka-run-class.sh kafka.tools.JmxTool --jmx-url 
service:jmx:rmi:///jndi/rmi://localhost:9999/jmxrmi --object-name 
kafka.server:type=BrokerTopicMetrics,* --attributes Count,FifteenMinuteRate

Trying to connect to JMX url: 
service:jmx:rmi:///jndi/rmi://127.0.0.1:9999/jmxrmi. 
Exception in thread "main" java.lang.NullPointerException
        at kafka.tools.JmxTool$.queryAttributes(JmxTool.scala:254)
        at kafka.tools.JmxTool$.main(JmxTool.scala:214)
        at kafka.tools.JmxTool.main(JmxTool.scala)
{code}



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