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Netty epoll IOExceptions caused by unclean client disconnects being logged at INFO 

patch by Sumanth Pasupuleti; reviewed by jasobrown for CASSANDRA-14909
This commit is contained in:
Sumanth Pasupuleti 2018-11-29 10:11:13 -08:00 committed by Jason Brown
parent 8404260f16
commit e4d0ce6ba2
2 changed files with 16 additions and 1 deletions
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1
CHANGES.txt
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@ -1,4 +1,5 @@
3.0.18
* Netty epoll IOExceptions caused by unclean client disconnects being logged at INFO (CASSANDRA-14909)
* Unfiltered.isEmpty conflicts with Row extends AbstractCollection.isEmpty (CASSANDRA-14588)
* RangeTombstoneList doesn't properly clean up mergeable or superseded rts in some cases (CASSANDRA-14894)
* Fix handling of collection tombstones for dropped columns from legacy sstables (CASSANDRA-14912)

16
src/java/org/apache/cassandra/transport/Message.java
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@ -608,7 +608,21 @@ public abstract class Message
if (!alwaysLogAtError && exception instanceof IOException)
{
if (ioExceptionsAtDebugLevel.contains(exception.getMessage()))
String errorMessage = exception.getMessage();
boolean logAtTrace = false;
for (String ioException : ioExceptionsAtDebugLevel)
{
// exceptions thrown from the netty epoll transport add the name of the function that failed
// to the exception string (which is simply wrapping a JDK exception), so we can't do a simple/naive comparison
if (errorMessage.contains(ioException))
{
logAtTrace = true;
break;
}
}
if (logAtTrace)
{
// Likely unclean client disconnects
logger.trace(message, exception);