XComp commented on code in PR #25050:
URL: https://github.com/apache/flink/pull/25050#discussion_r1668797608
##########
flink-runtime/src/main/java/org/apache/flink/runtime/blob/BlobServer.java:
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@@ -354,10 +354,12 @@ public void close() throws IOException {
if (shutdownRequested.compareAndSet(false, true)) {
Exception exception = null;
- try {
- this.serverSocket.close();
- } catch (IOException ioe) {
- exception = ioe;
+ if (serverSocket != null) { // can be null if shut down before
constructor completion
Review Comment:
hm, wouldn't it be more consistent to move the shutdown hook initialization
(along with the cleanup scheduling) to the end of the `BlobServer` constructor?
It feels wrong to register the shutdown hook for an instance that's not
fully created, yet. 🤔
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