Defensively call isShutdown method for executor description
Closes gh-34514
(cherry picked from commit 559ea6c480)
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@@ -1,5 +1,5 @@
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/*
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* Copyright 2002-2023 the original author or authors.
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* Copyright 2002-2025 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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@@ -69,7 +69,13 @@ public class TaskRejectedException extends RejectedExecutionException {
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private static String executorDescription(Executor executor) {
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if (executor instanceof ExecutorService executorService) {
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return "ExecutorService in " + (executorService.isShutdown() ? "shutdown" : "active") + " state";
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try {
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return "ExecutorService in " + (executorService.isShutdown() ? "shutdown" : "active") + " state";
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}
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catch (Exception ex) {
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// UnsupportedOperationException/IllegalStateException from ManagedExecutorService.isShutdown()
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// Falling back to toString() below.
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}
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}
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return executor.toString();
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}
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