zentol commented on a change in pull request #16345:
URL: https://github.com/apache/flink/pull/16345#discussion_r662991273
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File path:
flink-runtime/src/test/java/org/apache/flink/runtime/metrics/util/MetricUtilsTest.java
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@@ -83,16 +81,24 @@ public void
testStartMetricActorSystemRespectsThreadPriority() throws Exception
final RpcService rpcService =
MetricUtils.startRemoteMetricsRpcService(
configuration, "localhost", RpcSystem.load());
- assertThat(rpcService, instanceOf(AkkaRpcService.class));
-
- final ActorSystem actorSystem = ((AkkaRpcService)
rpcService).getActorSystem();
try {
+ // dirty reflection code to avoid ClassCastExceptions
+ final Method getActorSystem =
rpcService.getClass().getMethod("getActorSystem");
Review comment:
ClassCastExceptions because the actual loading happens in the plugin
loader but references here would use the system loader.
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