Ethanlm commented on a change in pull request #3226: [STORM-3583] Handle
exceptions when AsyncLocalizer tries to get local resources
URL: https://github.com/apache/storm/pull/3226#discussion_r393189955
##########
File path:
storm-server/src/main/java/org/apache/storm/localizer/AsyncLocalizer.java
##########
@@ -456,13 +460,31 @@ public void releaseSlotFor(LocalAssignment assignment,
int port) throws IOExcept
topoConfBlob.removeReference(pna);
}
- for (LocalResource lr : getLocalResources(pna)) {
- try {
- removeBlobReference(lr.getBlobName(), pna,
lr.shouldUncompress());
- } catch (Exception e) {
- throw new IOException(e);
+
+ // ALERT: A possible race condition should have been resolved
+ // by separating the thread pools into downloadExecService and
taskExecService
+ // https://github.com/apache/storm/pull/3153
+ // Will need further investigation if the race condition happens again
+ List<LocalResource> localResources;
+ try {
+ // Precondition1: Base blob stormconf.ser and stormcode.ser have
been localized
+ // Precondition2: Both these two blob files are fully downloaded
and proper permission been set
+ localResources = getLocalResources(pna);
+ } catch (Exception e) {
Review comment:
This can be `IOException`
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