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Posted to dev@flink.apache.org by "qinghuan wang (Jira)" <ji...@apache.org> on 2021/10/27 17:08:00 UTC

[jira] [Created] (FLINK-24672) [ WARN ] javax.management.InstanceAlreadyExistsException

qinghuan wang created FLINK-24672:
-------------------------------------

             Summary: [ WARN ] javax.management.InstanceAlreadyExistsException
                 Key: FLINK-24672
                 URL: https://issues.apache.org/jira/browse/FLINK-24672
             Project: Flink
          Issue Type: Improvement
          Components: Connectors / Kafka
    Affects Versions: 1.14.0
            Reporter: qinghuan wang


When Create 2 Kafka Tables with same group.id

 
{code:java}
CREATE TABLE table1 (
   ...
) WITH ( 'connector' = 'kafka',
   'properties.group.id' = 'test-demo',
    ...
);
CREATE TABLE table2 (
   ...
) WITH ( 'connector' = 'kafka',
   'properties.group.id' = 'test-demo',
    ...
)
{code}
 

We will see warning
{code:java}
[WARN ] 2021-10-28 00:00:39.013 [SourceCoordinator-Source: KafkaSource-default_catalog.default_database.faceInput1] o.a.f.k.s.o.a.k.c.u.AppInfoParser-[registerAppInfo] - 68 - Error registering AppInfo mbean
javax.management.InstanceAlreadyExistsException: kafka.admin.client:type=app-info,id=face-integration-group-enumerator-admin-client
 at java.management/com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:436)
 at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1855)
 at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:955)
 at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:890)
 at java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:320)
 at java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522)
 at org.apache.flink.kafka.shaded.org.apache.kafka.common.utils.AppInfoParser.registerAppInfo(AppInfoParser.java:64)
 at org.apache.flink.kafka.shaded.org.apache.kafka.clients.admin.KafkaAdminClient.<init>(KafkaAdminClient.java:500)
 at org.apache.flink.kafka.shaded.org.apache.kafka.clients.admin.KafkaAdminClient.createInternal(KafkaAdminClient.java:444)
 at org.apache.flink.kafka.shaded.org.apache.kafka.clients.admin.Admin.create(Admin.java:59)
 at org.apache.flink.kafka.shaded.org.apache.kafka.clients.admin.AdminClient.create(AdminClient.java:39)
 at org.apache.flink.connector.kafka.source.enumerator.KafkaSourceEnumerator.getKafkaAdminClient(KafkaSourceEnumerator.java:432)
 at org.apache.flink.connector.kafka.source.enumerator.KafkaSourceEnumerator.start(KafkaSourceEnumerator.java:151)
 at org.apache.flink.runtime.source.coordinator.SourceCoordinator.lambda$start$0(SourceCoordinator.java:140)
 at org.apache.flink.runtime.source.coordinator.SourceCoordinator.lambda$runInEventLoop$8(SourceCoordinator.java:331)
 at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
 at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
 at java.base/java.lang.Thread.run(Thread.java:834){code}



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