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https://issues.apache.org/jira/browse/FLINK-7880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16270827#comment-16270827
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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_r153790032
--- Diff:
flink-queryable-state/flink-queryable-state-runtime/src/test/java/org/apache/flink/queryablestate/network/AbstractServerTest.java
---
@@ -60,23 +63,17 @@ public void testServerInitializationFailure() throws
Throwable {
expectedEx.expect(FlinkRuntimeException.class);
expectedEx.expectMessage("Unable to start Test Server 2. All
ports in provided range are occupied.");
- TestServer server1 = null;
- TestServer server2 = null;
- try {
+ List<Integer> portList = new ArrayList<>();
+ portList.add(7777);
- server1 = startServer("Test Server 1", 7777);
+ try (
+ TestServer server1 = new TestServer("Test
Server 1", new DisabledKvStateRequestStats(), portList.iterator());
--- End diff --
a safer pattern is to give `server1` multiple ports to choose from and
specifically start `server2` on the port `server1` eventually started with.
> 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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