bruceneenhl opened a new issue #1978:
URL: https://github.com/apache/incubator-inlong/issues/1978
### What happened
同一个数据接入业务，创建多个数据流，每个数据流均配置文件导入任务
inlong-agent 报错如下
`2021-12-14 11:40:42,640 ERROR [job-running-thread-5]
(metrics.MetricRegister@register:53):
org.apache.inlong:type=SinkMetric,tagName=AgentProxySinkMetric
javax.management.InstanceAlreadyExistsException:
org.apache.inlong:type=SinkMetric,tagName=AgentProxySinkMetric
at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1898)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:966)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:900)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:324)
at
com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522)
at
org.apache.inlong.commons.config.metrics.MetricRegister.register(MetricRegister.java:50)
at
org.apache.inlong.agent.plugin.metrics.SinkJmxMetric.<init>(SinkJmxMetric.java:44)
at
org.apache.inlong.agent.plugin.sinks.ProxySink.<init>(ProxySink.java:101)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at java.lang.Class.newInstance(Class.java:442)
at org.apache.inlong.agent.core.job.Job.createTasks(Job.java:88)
at
org.apache.inlong.agent.core.job.JobWrapper.submitAllTasks(JobWrapper.java:84)
at
org.apache.inlong.agent.core.job.JobWrapper.run(JobWrapper.java:110)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)`
### What you expected to happen
多个导入任务正常运行
### How to reproduce
同一个数据接入业务，创建多个数据流，每个数据流均配置文件导入任务
### Environment
_No response_
### InLong version
master
### InLong Component
InLong Agent
### Are you willing to submit PR?
- [ ] Yes, I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of
Conduct](https://www.apache.org/foundation/policies/conduct)
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