XComp commented on a change in pull request #18987:
URL: https://github.com/apache/flink/pull/18987#discussion_r822634591
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/highavailability/FileSystemJobResultStore.java
##########
@@ -165,8 +171,16 @@ public boolean hasCleanJobResultEntryInternal(JobID jobId)
throws IOException {
@Override
public Set<JobResult> getDirtyResultsInternal() throws IOException {
+ final FileStatus[] statuses = fileSystem.listStatus(this.basePath);
+ if (statuses == null) {
+ LOG.warn(
+ "The JobResultStore directory '"
+ + basePath
+ + "' was deleted. No persisted JobResults could be
recovered.");
+ return Collections.emptySet();
Review comment:
because it's an unexpected state of Flink which might lead to weird
behavior. Some FileSystems would complain about a missing directory whereas
other filesystem might allow to create a file within this directory anyway
(e.g. object stores?)
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