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https://issues.apache.org/jira/browse/FLINK-32246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17728658#comment-17728658
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Aitozi commented on FLINK-32246:
--------------------------------
where do you run this sql ? sql-client ? Can you provide a demo case to
reproduce this ?
> javax.management.InstanceAlreadyExistsException
> -----------------------------------------------
>
> Key: FLINK-32246
> URL: https://issues.apache.org/jira/browse/FLINK-32246
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Kafka
> Affects Versions: 1.15.2
> Reporter: jeff-zou
> Priority: Major
>
> Flink SQL throws an
> exception(javax.management.InstanceAlreadyExistsException) when trying to
> perform multiple sink operations on the same kafka source .
>
> sql example:
> {code:java}
> create table kafka_source() with ('connector'='kafka');
> insert into sink_table1 select * from kafka_source;
> insert into sink_table2 select * from kafka_source; {code}
> The Exception as below:
> {code:java}
> javax.management.InstanceAlreadyExistsException:
> kafka.admin.client:type=app-info,id=*****
>
> java.management/com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:436)
>
> java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1855)
>
> java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:955)
>
> java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:890)
>
> java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:320)
>
> java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522)
>
> org.apache.kafka.common.utils.AppInfoParser.registerAppInfo(AppInfoParser.java:64)
>
> org.apache.kafka.clients.admin.KafkaAdminClient.<init>(KafkaAdminClient.java:500)
>
> org.apache.kafka.clients.admin.KafkaAdminClient.createInternal(KafkaAdminClient.java:444)
> org.apache.kafka.clients.admin.Admin.create(Admin.java:59)
> org.apache.kafka.clients.admin.AdminClient.create(AdminClient.java:39)
>
> org.apache.flink.connector.kafka.source.enumerator.KafkaSourceEnumerator.getKafkaAdminClient(KafkaSourceEnumerator.java:410)
>
> org.apache.flink.connector.kafka.source.enumerator.KafkaSourceEnumerator.start(KafkaSourceEnumerator.java:151)
>
> org.apache.flink.runtime.source.coordinator.SourceCoordinator.lambda$start$1(SourceCoordinator.java:209)
>
> org.apache.flink.runtime.source.coordinator.SourceCoordinator.lambda$runInEventLoop$9(SourceCoordinator.java:406)
>
> org.apache.flink.util.ThrowableCatchingRunnable.run(ThrowableCatchingRunnable.java:40)
>
> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
> java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
>
> java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
>
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> java.base/java.lang.Thread.run(Thread.java:829) {code}
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