<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi all,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>This morning started out with an OutOfMemory exception after I kicked off a sustainability test before I left the office for the day; digging into it we found a number of classes failing to free up. They appear to correlate to the number of messages that we sent to rabbitmq. A web search revealed a defect # 24723 was identified and reported fixed.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We were using 2.7.1 of the Java client, but since have also tried 2.8.0 and 2.8.1 of the client – hoping that one of these later releases contained a fix. Unfortunately, we are still seeing the same memory leak behavior.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Here is a jmap dump of the classes that we witness not freeing (even after an explicit GC).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> 19: 1979 189984 com.rabbitmq.client.impl.ChannelN<o:p></o:p></p><p class=MsoNormal> 28: 1980 79200 com.rabbitmq.client.impl.CommandAssembler<o:p></o:p></p><p class=MsoNormal> 29: 1979 79160 com.rabbitmq.client.ShutdownSignalException<o:p></o:p></p><p class=MsoNormal> 30: 1979 79160 com.rabbitmq.client.impl.ConsumerDispatcher<o:p></o:p></p><p class=MsoNormal> 35: 1979 63328 com.rabbitmq.client.impl.AMQImpl$Channel$Close<o:p></o:p></p><p class=MsoNormal> 48: 1980 31680 com.rabbitmq.client.impl.AMQCommand<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Appears to be similar to that which was previously reported on the mailing list.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Not certain where to turn at this point. Can anyone confirm that they see the fix freeing up the objects?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks, Scott.<o:p></o:p></p></div><br><br>====================<br>
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