watters.wang created FLINK-15394:
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Summary: in yarn mode, jobmanager fails to start in case of rest.port conflict.
Key: FLINK-15394
URL:
https://issues.apache.org/jira/browse/FLINK-15394 Project: Flink
Issue Type: Bug
Components: Runtime / REST
Affects Versions: 1.9.0
Environment: a small yarn cluster with three node.
Reporter: watters.wang
In flink 1.9, if rest.port is set in flink.yaml, jobmanager will start failed in case of rest.port conflict in small cluster.
in 1.7, that's ok .
{code:java}
//代码占位符
org.apache.flink.runtime.entrypoint.ClusterEntrypointException: Failed to initialize the cluster entrypoint YarnJobClusterEntrypoint.
at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startCluster(ClusterEntrypoint.java:182)
at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runClusterEntrypoint(ClusterEntrypoint.java:501)
at org.apache.flink.yarn.entrypoint.YarnJobClusterEntrypoint.main(YarnJobClusterEntrypoint.java:102)
Caused by: org.apache.flink.util.FlinkException: Could not create the DispatcherResourceManagerComponent.
at org.apache.flink.runtime.entrypoint.component.AbstractDispatcherResourceManagerComponentFactory.create(AbstractDispatcherResourceManagerComponentFactory.java:257)
at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runCluster(ClusterEntrypoint.java:210)
at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.lambda$startCluster$0(ClusterEntrypoint.java:164)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1754)
at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startCluster(ClusterEntrypoint.java:163)
... 2 more
Caused by: java.net.BindException: Could not start rest endpoint on any port in port range 8081
at org.apache.flink.runtime.rest.RestServerEndpoint.start(RestServerEndpoint.java:219)
at org.apache.flink.runtime.entrypoint.component.AbstractDispatcherResourceManagerComponentFactory.create(AbstractDispatcherResourceManagerComponentFactory.java:161)
... 9 more
{code}
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