Timo Walther created FLINK-4300:
-----------------------------------
Summary: Improve error message for different Scala versions of JM
and Client
Key: FLINK-4300
URL: https://issues.apache.org/jira/browse/FLINK-4300
Project: Flink
Issue Type: Improvement
Components: Client, JobManager
Reporter: Timo Walther
If a user runs a job (e.g. via RemoteEnvironment) with different Scala versions
of JobManager and Client, the job is not executed and has no proper error
message.
The Client fails only with a meaningless warning:
{code}
16:59:58,677 WARN akka.remote.ReliableDeliverySupervisor
- Association with remote system [akka.tcp://flink@127.0.0.1:6123] has failed,
address is now gated for [5000] ms. Reason is: [Disassociated].
{code}
JobManager log only contains the following warning:
{code}
2016-08-01 16:59:58,664 WARN akka.remote.ReliableDeliverySupervisor
- Association with remote system
[akka.tcp://flink@192.168.1.142:63372] has failed, address is now gated for
[5000] ms. Reason is: [scala.Option; local class incompatible: stream classdesc
serialVersionUID = -2062608324514658839, local class serialVersionUID =
-114498752079829388].
{code}
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