[jira] [Created] (REEF-2059) Upgrade netty from 4.0 to 4.1

["Sergiy Matusevych (Jira)" <ji...@apache.org>]

Sergiy Matusevych created REEF-2059:
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             Summary: Upgrade netty from 4.0 to 4.1
                 Key: REEF-2059
                 URL: https://issues.apache.org/jira/browse/REEF-2059
             Project: REEF
          Issue Type: Sub-task
          Components: REEF Bridge, Wake
         Environment: Reproducible on Ubuntu 19.10 with OpenJDK-8 and Netty 4.1.42.Final

Fork from [https://github.com/motus/reef/tree/REEF-2057] to get the updated code (with unit tests failing)
            Reporter: Sergiy Matusevych


We need to update REEF dependencies to be in sync with Hadoop, Spark, and our own REEF gRPC bridge. For that, we have to upgrade Netty from 4.0.23.Final used in Wake, to 4.1.42.Final. Using the new version (or any other Netty 4.1) causes unit test failures in Wake. Two tests fail with Netty 4.1:

{code}
org.apache.reef.wake.test.remote.RemoteManagerTest.testRemoteManagerConnectionRetryTest:137 expected:<2> but was:<0>
org.apache.reef.wake.test.remote. RemoteManagerTest.testRemoteManagerConnectionRetryWithMultipleSenderTest:171 expected:<10> but was:<0>
 {code}



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