Hi Oleg, Thanks for your advice. After degrading from JVM 1.7 to JVM 1.6.0_43, the issue seems to be resolved, at least for now.
Thanks, Yu On Apr 10, 2013, at 3:45 AM, Oleg Kalnichevski <[email protected]> wrote: > On Wed, 2013-04-10 at 02:35 -0400, Yu Qiao wrote: >> Sorry I forgot to mention that we are using HttpAsyncClient 4.0-beta3. >> >> Thanks, >> Yu >> >> >> On Apr 10, 2013, at 2:28 AM, Yu Qiao <[email protected]> wrote: >> >>> Hi Httpclient-users, >>> >>> We are using HttpAsyncClient library to do web crawling. Basically we are >>> just using the method provided by the sample code >>> (http://hc.apache.org/httpcomponents-asyncclient-dev/httpasyncclient/examples/org/apache/http/examples/nio/client/AsyncClientHttpExchangeFutureCallback.java), >>> but has a much larger request size (~9000). >>> >>> While our program runs perfectly fine on my laptop (MacOSX 10.8.2, Intel >>> i5), often times it core dumps on our cluster. Furthermore, even the >>> program aborted for one time, when we re-started it, it became normal. The >>> JVM log indicates that it is caused by >>> org.apache.http.client.protocol.RequestAddCookies.process. We found a >>> relevant issue at >>> http://mail-archives.apache.org/mod_mbox/hc-httpclient-users/201208.mbox/%3ccaogo0vag+w8rv54d2dybk1kv3rb0to0evkvs-req_yftk31...@mail.gmail.com%3E, >>> but there was no solution. Could you help to look into this issue? Also, >>> We have the core dump file. Do you have a FTP server so we can drop the >>> file? >>> >>> Thanks a lot ! >>> >>> --------------------------------------------------------- >>> JVM Log File (only the very beginning): >>> --------------------------------------------------------- >>> # >>> # A fatal error has been detected by the Java Runtime Environment: >>> # >>> # SIGSEGV (0xb) at pc=0x00007f284d1d9967, pid=1985, tid=139810931042048 >>> # >>> # JRE version: 7.0_17-b02 >>> # Java VM: Java HotSpot(TM) 64-Bit Server VM (23.7-b01 mixed mode >>> linux-amd64 compressed oops) >>> # Problematic frame: >>> # J >>> org.apache.http.client.protocol.RequestAddCookies.process(Lorg/apache/http/HttpRequest;Lorg/apache/http/protocol/HttpContext;)V >>> # >>> # Failed to write core dump. Core dumps have been disabled. To enable core >>> dumping, try "ulimit -c unlimited" before starting Java again >>> # >>> # If you would like to submit a bug report, please visit: >>> # http://bugreport.sun.com/bugreport/crash.jsp >>> # >>> > > Anything that results in segmentation fault inside JRE and a core dump > is most likely to be a JVM or JIT compile bug. I do not think there is > anything I could to help you other than suggesting to upgrade to the > latest JRE 1.7 or downgrade to the latest JRE 1.6 and see if that makes > any difference or reporting the problem to Oracle. > > Oleg > > > _______________________________________________ > twitter-semantic-search mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/twitter-semantic-search --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
