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https://issues.apache.org/jira/browse/FLINK-7880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16270835#comment-16270835
]
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_r153797256
--- Diff:
flink-queryable-state/flink-queryable-state-client-java/src/main/java/org/apache/flink/queryablestate/network/AbstractServerBase.java
---
@@ -251,34 +263,81 @@ private boolean attemptToBind(final int port) throws
Throwable {
throw future.cause();
} catch (BindException e) {
log.debug("Failed to start {} on port {}: {}.",
serverName, port, e.getMessage());
- shutdown();
+ try {
+ shutdownServer(Time.seconds(10L)).get();
+ } catch (Exception r) {
+
+ // 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
--- End diff --
we don't check anything here.
> 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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