Till Rohrmann created FLINK-5496:
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Summary: ClassCastException when using Mesos HA mode
Key: FLINK-5496
URL: https://issues.apache.org/jira/browse/FLINK-5496
Project: Flink
Issue Type: Bug
Components: Mesos
Affects Versions: 1.2.0, 1.3.0
Reporter: Till Rohrmann
Priority: Critical
Fix For: 1.2.0, 1.3.0
When using the Mesos' HA mode, one cannot start the Mesos appmaster, because
the following class cast exception occurs:
{code}
java.lang.ClassCastException:
org.apache.flink.shaded.org.apache.curator.framework.imps.CuratorFrameworkImpl
cannot be cast to
org.apache.flink.mesos.shaded.org.apache.curator.framework.CuratorFramework
at
org.apache.flink.mesos.util.ZooKeeperUtils.startCuratorFramework(ZooKeeperUtils.java:38)
at
org.apache.flink.mesos.runtime.clusterframework.MesosApplicationMasterRunner.createWorkerStore(MesosApplicationMasterRunner.java:510)
at
org.apache.flink.mesos.runtime.clusterframework.MesosApplicationMasterRunner.runPrivileged(MesosApplicationMasterRunner.java:320)
at
org.apache.flink.mesos.runtime.clusterframework.MesosApplicationMasterRunner$1.call(MesosApplicationMasterRunner.java:178)
at
org.apache.flink.mesos.runtime.clusterframework.MesosApplicationMasterRunner$1.call(MesosApplicationMasterRunner.java:175)
at
org.apache.flink.runtime.security.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:29)
at
org.apache.flink.mesos.runtime.clusterframework.MesosApplicationMasterRunner.run(MesosApplicationMasterRunner.java:175)
at
org.apache.flink.mesos.runtime.clusterframework.MesosApplicationMasterRunner.main(MesosApplicationMasterRunner.java:135)
{code}
It seems as if the {{flink-mesos}} module relocates the curator dependency in
another namespace than {{flink-runtime}}. Not sure why this is done.
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