[
https://issues.apache.org/jira/browse/FLINK-8063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16253767#comment-16253767
]
ASF GitHub Bot commented on FLINK-8063:
---------------------------------------
Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/5021#discussion_r151183892
--- Diff:
flink-queryable-state/flink-queryable-state-runtime/src/test/java/org/apache/flink/queryablestate/itcases/AbstractQueryableStateTestBase.java
---
@@ -439,6 +443,85 @@ public Integer getKey(Tuple2<Integer, Long> value)
throws Exception {
}
/**
+ * Tests that the correct exception is thrown if the query
+ * contains a wrong queryable state name.
+ */
+ @Test
+ public void testWrongQueryableStateName() throws Exception {
+ // Config
+ final Deadline deadline = TEST_TIMEOUT.fromNow();
+
+ final long numElements = 1024L;
+
+ JobID jobId = null;
+ try {
+ StreamExecutionEnvironment env =
StreamExecutionEnvironment.getExecutionEnvironment();
+ env.setStateBackend(stateBackend);
+ env.setParallelism(maxParallelism);
+ // Very important, because cluster is shared between
tests and we
+ // don't explicitly check that all slots are available
before
+ // submitting.
+
env.setRestartStrategy(RestartStrategies.fixedDelayRestart(Integer.MAX_VALUE,
1000L));
+
+ DataStream<Tuple2<Integer, Long>> source = env
+ .addSource(new
TestAscendingValueSource(numElements));
+
+ // Value state
+ ValueStateDescriptor<Tuple2<Integer, Long>> valueState =
+ new ValueStateDescriptor<>("any",
source.getType());
+
+ source.keyBy(new KeySelector<Tuple2<Integer, Long>,
Integer>() {
+ private static final long serialVersionUID =
7662520075515707428L;
+
+ @Override
+ public Integer getKey(Tuple2<Integer, Long>
value) throws Exception {
+ return value.f0;
+ }
+ }).asQueryableState("hakuna", valueState);
+
+ // Submit the job graph
+ JobGraph jobGraph = env.getStreamGraph().getJobGraph();
+ jobId = jobGraph.getJobID();
+
+ cluster.submitJobDetached(jobGraph);
+
+ // wait until the job is running before starting to
query.
+
FutureUtils.toJava(cluster.getLeaderGateway(deadline.timeLeft())
+ .ask(new
TestingJobManagerMessages.NotifyWhenJobStatus(jobId, JobStatus.RUNNING),
deadline.timeLeft())
+
.mapTo(ClassTag$.MODULE$.<TestingJobManagerMessages.JobStatusIs>apply(TestingJobManagerMessages.JobStatusIs.class)));
+
+ CompletableFuture<ValueState<Tuple2<Integer, Long>>>
future = client.getKvState(
+ jobId,
+ "wrong-hankuna", // this is the wrong
name.
+ 0,
+ VoidNamespace.INSTANCE,
+ BasicTypeInfo.INT_TYPE_INFO,
+ VoidNamespaceTypeInfo.INSTANCE,
+ valueState);
+
+ final CompletableFuture<?> completion = new
CompletableFuture<>();
+ future.whenComplete((result, throwable) -> {
+ Assert.assertTrue(throwable != null);
+
Assert.assertTrue(throwable.getMessage().contains("UnknownKvStateLocation"));
+ completion.complete(null);
+ });
+
+ completion.join();
--- End diff --
I also remember till suggesting to use `get()` instead
> Client blocks indefinitely when querying a non-existing state
> -------------------------------------------------------------
>
> Key: FLINK-8063
> URL: https://issues.apache.org/jira/browse/FLINK-8063
> Project: Flink
> Issue Type: Improvement
> Components: Queryable State
> Affects Versions: 1.4.0
> Reporter: Chesnay Schepler
> Assignee: Kostas Kloudas
> Priority: Critical
> Fix For: 1.4.0
>
>
> When querying for a non-existing state (as in, no state was registered under
> queryableStateName) the client blocks indefinitely.
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