zentol commented on a change in pull request #16345:
URL: https://github.com/apache/flink/pull/16345#discussion_r665926897
##########
File path:
flink-rpc/flink-rpc-akka/src/main/java/org/apache/flink/runtime/rpc/akka/AkkaInvocationHandler.java
##########
@@ -229,22 +230,29 @@ private Object invokeRpc(Method method, Object[] args)
throws Exception {
final CompletableFuture<Object> completableFuture = new
CompletableFuture<>();
resultFuture.whenComplete(
- (resultValue, failure) -> {
- if (failure != null) {
- completableFuture.completeExceptionally(
- resolveTimeoutException(failure,
callStackCapture, method));
- } else {
- completableFuture.complete(
- deserializeValueIfNeeded(resultValue,
method));
- }
- });
+ (resultValue, failure) ->
+ ClassLoadingUtils.runWithFlinkContextClassLoader(
+ () -> {
+ if (failure != null) {
+
completableFuture.completeExceptionally(
+ resolveTimeoutException(
+ failure,
callStackCapture, method));
+ } else {
+ completableFuture.complete(
+
deserializeValueIfNeeded(resultValue, method));
+ }
+ }));
if (Objects.equals(returnType, CompletableFuture.class)) {
result = completableFuture;
} else {
try {
result =
- completableFuture.get(futureTimeout.getSize(),
futureTimeout.getUnit());
+ ClassLoadingUtils.runWithFlinkContextClassLoader(
+ () ->
+ completableFuture.get(
+ futureTimeout.getSize(),
+ futureTimeout.getUnit()));
Review comment:
We've seen in the past that calling `get()` can result in other
dependent stages being run in the current thread, implying that the thread
steps into Flink land.
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