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PeerGroup: Ignore an IllegalStateException from the ping timer that can be thrown occasionally during a shutdown race.

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This commit is contained in:
Mike Hearn 2013-07-24 14:52:08 +02:00
parent 67f3605570
commit 52b478a6f8
1 changed files with 8 additions and 2 deletions
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10
core/src/main/java/com/google/bitcoin/core/PeerGroup.java
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@ -918,7 +918,7 @@ public class PeerGroup extends AbstractIdleService implements TransactionBroadca
final long interval = getPingIntervalMsec(); final long interval = getPingIntervalMsec();
if (interval <= 0) if (interval <= 0)
return; // Disabled. return; // Disabled.
vPingTimer.schedule(new TimerTask() { final TimerTask task = new TimerTask() {
@Override @Override
public void run() { public void run() {
try { try {
@ -929,7 +929,13 @@ public class PeerGroup extends AbstractIdleService implements TransactionBroadca
log.warn("{}: Exception whilst trying to ping peer: {}", peer, e.toString()); log.warn("{}: Exception whilst trying to ping peer: {}", peer, e.toString());
} }
} }
}, interval); };
try {
vPingTimer.schedule(task, interval);
} catch (IllegalStateException ignored) {
// This can happen if there's a shutdown race and this runnable is executing whilst the timer is
// simultaneously cancelled.
}
} }
}; };
pingRunnable[0].run(); pingRunnable[0].run();