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Avoid ConcurrentModificationException in SingleConnectionFactory's AggregatedExceptionListener

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Issue: SPR-13421
This commit is contained in:
Juergen Hoeller
2015-09-02 16:55:09 +02:00
parent 2caaa81afa
commit 1ed1167153
1 changed files with 4 additions and 2 deletions
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6
spring-jms/src/main/java/org/springframework/jms/connection/SingleConnectionFactory.java
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@@ -1,5 +1,5 @@
/* /*
* Copyright 2002-2014 the original author or authors. * Copyright 2002-2015 the original author or authors.
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
@@ -667,7 +667,9 @@ public class SingleConnectionFactory implements ConnectionFactory, QueueConnecti
@Override @Override
public void onException(JMSException ex) { public void onException(JMSException ex) {
synchronized (connectionMonitor) { synchronized (connectionMonitor) {
for (ExceptionListener listener : this.delegates) { // Iterate over temporary copy in order to avoid ConcurrentModificationException,
// since listener invocations may in turn trigger registration of listeners...
for (ExceptionListener listener : new LinkedHashSet<ExceptionListener>(this.delegates)) {
listener.onException(ex); listener.onException(ex);
} }
} }