Please feel free to create a Jira Issue to capture this along with your fix comments, that way it won't slip through the cracks. Also v2.2 is out with several fixes in the Socket code and error handling which might be helpful.
Regards Tim. > -----Original Message----- > From: bozimmerman [mailto:[EMAIL PROTECTED] > Sent: Wednesday, July 02, 2008 11:49 AM > To: [email protected] > Subject: Fixed Ab-end in latest public release. > > > Forgive me if this is already known. > > On both solarisx86 and linux platforms, version 2.1.3 public release. > > My code looks like this: > > activemq::core::ActiveMQConnectionFactory connectionFactory = new > ActiveMQConnectionFactory(URL); > cms::Connection connection = connectionFactory->createConnection(); > connection->start(); > > Problem: the start command above would cause my application to ab-end... > VERY infrequently... I would normally have to connect repeatedly every 30 > secs or so for a whole day to see the problem. > > Cause: In ResponseCorrelator::request method: > > futureResponse->wait( maxResponseWaitTime ) would time-out (the full > default > 3 seconds went by), and > > response = futureResponse->getResponse() would return null. > > Now, at the bottom, after response is checked for null, > > throw CommandIOException( __FILE__, __LINE__, > "No valid response received for command: %s, check broker.", > command->toString().c_str() ); > > would cause the crash in my application. I suspect (but did not confirm) > that command->toString() is either crashing itself, or returning null or a > bad buffer pointer. Since its just an exception message, I didn't really > care. > > Fix: > throw CommandIOException( __FILE__, __LINE__, "No valid response received > for command, check broker."); > > Verified: I ran my tests, and after 15 hours of continuous running I got > exactly one timeout on connection->start(). However, unlike all the other > times, no ab-end was observed and my application recovered and reconnected > normally after catching the exception. > > Please do with what you will. Have a good day! > > - Bo Zimmerman > -- > View this message in context: http://www.nabble.com/Fixed-Ab-end-in- > latest-public-release.-tp18240676p18240676.html > Sent from the ActiveMQ - Dev mailing list archive at Nabble.com.
