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https://issues.apache.org/jira/browse/FLINK-7880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16260866#comment-16260866
]
ASF GitHub Bot commented on FLINK-7880:
---------------------------------------
Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/5038#discussion_r152298240
--- Diff:
flink-queryable-state/flink-queryable-state-client-java/src/main/java/org/apache/flink/queryablestate/network/Client.java
---
@@ -312,32 +345,43 @@ private void handInChannel(Channel channel) {
/**
* Close the connecting channel with a ClosedChannelException.
*/
- private void close() {
- close(new ClosedChannelException());
+ private CompletableFuture<?> close() {
+ return close(new ClosedChannelException());
}
/**
* Close the connecting channel with an Exception (can be
{@code null})
* or forward to the established channel.
*/
- private void close(Throwable cause) {
- synchronized (connectLock) {
- if (!closed) {
- if (failureCause == null) {
- failureCause = cause;
- }
+ private CompletableFuture<?> close(Throwable cause) {
+ CompletableFuture<?> future = new CompletableFuture<>();
+ if (connectionShutdownFuture.compareAndSet(null,
future)) {
+ synchronized (connectLock) {
+ if (!closed) {
--- End diff --
this seems unnecessary, doesn't the check at L358 guarantee that the entire
branch is only executed once?
> 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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