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.
---
