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Posted to dev@flink.apache.org by "jeff-zou (Jira)" <ji...@apache.org> on 2023/06/02 06:48:00 UTC

[jira] [Created] (FLINK-32246) javax.management.InstanceAlreadyExistsException

jeff-zou created FLINK-32246:
--------------------------------

             Summary: 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


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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