Peng Zhang created FLINK-21685:
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Summary: Flink JobManager failed to restart in K8S HA setup
Key: FLINK-21685
URL: https://issues.apache.org/jira/browse/FLINK-21685
Project: Flink
Issue Type: Bug
Components: Deployment / Kubernetes
Affects Versions: 1.12.2, 1.12.1
Reporter: Peng Zhang
Attachments: flink-ha.log
We use Flink K8S session cluster with HA mode (1 JobManager and 4
TaskManagers). When jobs are running in Flink, and JobManager restarted, Flink
JobManager failed to recover job from checkpoint
{{2021-03-08 13:16:42,962 INFO
org.apache.flink.runtime.checkpoint.DefaultCompletedCheckpointStore [] - Trying
to fetch 1 checkpoints from storage. 2021-03-08 13:16:42,962 INFO
org.apache.flink.runtime.checkpoint.DefaultCompletedCheckpointStore [] - Trying
to fetch 1 checkpoints from storage. 2021-03-08 13:16:42,962 INFO
org.apache.flink.runtime.checkpoint.DefaultCompletedCheckpointStore [] - Trying
to retrieve checkpoint 1. 2021-03-08 13:16:43,014 INFO
org.apache.flink.runtime.checkpoint.CheckpointCoordinator [] - Restoring job
9a534b2e309b24f78866b65d94082ead from Checkpoint 1 @ 1615208258041 for
9a534b2e309b24f78866b65d94082ead located at
s3a://zalando-stellar-flink-state-eu-central-1-staging/checkpoints/9a534b2e309b24f78866b65d94082ead/chk-1.
2021-03-08 13:16:43,023 INFO
org.apache.flink.runtime.checkpoint.CheckpointCoordinator [] - No master
state to restore 2021-03-08 13:16:43,024 INFO
org.apache.flink.runtime.jobmaster.JobMaster [] - Using
failover strategy
org.apache.flink.runtime.executiongraph.failover.flip1.RestartPipelinedRegionFailoverStrategy@58d927d2
for BrandCollectionTrackingJob (9a534b2e309b24f78866b65d94082ead). 2021-03-08
13:16:43,046 INFO org.apache.flink.runtime.jobmaster.JobManagerRunnerImpl
[] - JobManager runner for job BrandCollectionTrackingJob
(9a534b2e309b24f78866b65d94082ead) was granted leadership with session id
c258d8ce-69d3-49df-8bee-1b748d5bbe74 at
akka.tcp://flink@10.2.179.12:6123/user/rpc/jobmanager_2. 2021-03-08
13:16:43,060 WARN akka.remote.transport.netty.NettyTransport
[] - Remote connection to [null] failed with java.net.NoRouteToHostException:
No route to host 2021-03-08 13:16:43,060 WARN
akka.remote.ReliableDeliverySupervisor [] - Association
with remote system [akka.tcp://flink@10.2.174.188:6123] has failed, address is
now gated for [50] ms. Reason: [Association failed with
[akka.tcp://flink@10.2.174.188:6123]] Caused by:
[java.net.NoRouteToHostException: No route to host] }}
Attached is the log, and our configuration.
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