Andreas C. Osowski created FLINK-3788:
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Summary: Local variable values are not distributed to task runners
Key: FLINK-3788
URL: https://issues.apache.org/jira/browse/FLINK-3788
Project: Flink
Issue Type: Bug
Components: DataSet API
Affects Versions: 1.0.1, 1.0.0
Environment: Scala 2.11.8
Sun JDK 1.8.0_65 or OpenJDK 1.8.0_77
Fedora 25, 4.6.0-0.rc2.git3.1.fc25.x86_64
Reporter: Andreas C. Osowski
Variable values of non-elementary types aren't caught and distributed to job
runners, causing them to remain 'null' and causing NPEs upon access when
running on a cluster. Running locally through `flink-clients` works fine.
Changing parallelism or disabling the closure cleaner don't seem to have any
effect.
Minimal example, also see the attached archive.
{code:java}
case class IntWrapper(a1: Int)
val wrapped = IntWrapper(42)
env.readTextFile("myTextFile.txt").map(line => wrapped.toString).collect
{code}
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