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https://issues.apache.org/jira/browse/FLINK-7880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16270826#comment-16270826
]
ASF GitHub Bot commented on FLINK-7880:
---------------------------------------
Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/5062#discussion_r153789622
--- Diff:
flink-queryable-state/flink-queryable-state-runtime/src/test/java/org/apache/flink/queryablestate/network/ClientTest.java
---
@@ -218,7 +225,18 @@ public void channelRead(ChannelHandlerContext ctx,
Object msg) throws Exception
assertEquals(expectedRequests, stats.getNumFailed());
} finally {
if (client != null) {
- client.shutdown();
+ try {
+
+ // todo here we were seeing this
problem:
+ //
https://github.com/netty/netty/issues/4357 if we do a get().
+ // this is why we now simply wait a bit
so that everything is
+ // shut down and then we check
+
+ client.shutdown().get(10L,
TimeUnit.SECONDS);
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+
Assert.assertTrue(client.isEventGroupShutdown());
--- End diff --
I would prefer if we would throw `e` in this and similar cases.
> flink-queryable-state-java fails with core-dump
> -----------------------------------------------
>
> Key: FLINK-7880
> URL: https://issues.apache.org/jira/browse/FLINK-7880
> Project: Flink
> Issue Type: Bug
> Components: Queryable State, Tests
> Affects Versions: 1.4.0
> Reporter: Till Rohrmann
> Assignee: Kostas Kloudas
> Priority: Critical
> Labels: test-stability
>
> The {{flink-queryable-state-java}} module fails on Travis with a core dump.
> https://travis-ci.org/tillrohrmann/flink/jobs/289949829
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