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[#1501] Fix NPE which could accour if ChannelOutboundBuffer.fail(..) triggered another call to ChannelOutboundBuffer.fail(...)

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This commit is contained in:
Norman Maurer 2013-07-02 09:32:34 +02:00
parent 9633769909
commit 8dfbcbda29
1 changed files with 7 additions and 0 deletions
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7
transport/src/main/java/io/netty/channel/ChannelOutboundBuffer.java
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@ -222,6 +222,13 @@ final class ChannelOutboundBuffer {
do {
if (!(currentPromise instanceof VoidChannelPromise) && !currentPromise.tryFailure(cause)) {
logger.warn("Promise done already:", cause);
} else {
// We need to check for next here as the notification of the future may trigger some other event
// which will also call ChannelOutboundBuffer and so set currentMessage and currentPromise to null.
// See https://github.com/netty/netty/issues/1501
if (!next()) {
return;
}
}
// Release all failed messages.