Hi Mark Thomas. Firstry thanks for your reply.
> If you think you have hit a JVM bug, why are you posting here? I wanted to get solutions in variety of ways. > That is a very old JVM. You should also try updating that to the latest 7.0.x release and see if the bug reoccurs. This solution is extremely dependent on JAVA version. Support Policy for Java: Java 7 Update 03 is a Validated Platform. It is almost impossible to upgrade JAVA. In addition, I don't quit get 'HTTP BIO vs HTTP APR/native'. Duseong. 2015-02-05 18:29 GMT+09:00 Mark Thomas <ma...@apache.org>: > On 05/02/2015 09:11, 토로치 wrote: > > Hello. > > > > > > I am a PLM system developers. > > > > We PLM system operates by JAVA. > > > > We are using the Tomcat version 7.0.55. > > > > The system Down occurs when we are using a PLM system. > > > > The hs-err_pid5684.mdmp file over 20GB is created in the Tomcat root > folder. > > > > When the contents of the hs_err_pid5512.log file shown that a JVM bug. > > If you think you have hit a JVM bug, why are you posting here? > > <snip/> > > > Current thread (0x00000000384c9800): JavaThread "http-apr-9500-exec-226" > > daemon [_thread_in_native, id=18668, > > stack(0x000000005a630000,0x000000005a730000)] > > That tells me you are using the APR/native connector. It is possible > that that connector is casing the problem but the stack trace isn't what > I'd expect to see in that case. > > I recommend switching to the BIO HTTP connector and seeing if the crash > still occurs. > > <snip/> > > > JAVA_HOME=C:\Java\x64\jdk1.7.0_03 > > That is a very old JVM. You should also try updating that to the latest > 7.0.x release and see if the bug reoccurs. > > On a related topic, make sure you are using the latest native component > for the APR/native connector (1.1.32 as I type this). An upgrade to the > latest Tomcat 7.0.x release wouldn't hurt either. > > In short: > - get everything up to date > - test HTTP BIO vs HTTP APR/native > > Mark > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > >