AppletTalk.com Java discussions newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Remote dubugging JBoss under 1.5.0 GA causes VM exit...          AppletTalk.com Forum Index -> ibm.software.java.linux View previous topic :: View next topic   Author Message javahollic Guest Posted: Fri Dec 02, 2005 9:46 pm    Post subject: Remote dubugging JBoss under 1.5.0 GA causes VM exit... Hi, Im trying to debug a web application under IBM 1.5.0GA and Jboss 4.0.3SP1, using Socket debugging from Eclipse 3.1.1 to jboss. When I poke the webapp with a browser, it starts working then the IBM VM running JBoss dies. Ive tried explicitly turning on the JIT with -Xj9 I found mentioned on google to no avail. Its totally repeatable. If it was a problem in the code Id expect a standard java stack not a VM exit, anyone got clues? Anywhere that I post the full dump to? Cheers, andy ------------------------ Console dump as follows: ------------------------ Unhandled exception Type=Segmentation error vmState=0x00000000 Target=2_30_20051027_03723_LHdSMr (Linux 2.6.12-10-amd64-k CPU=amd64 (1 logical CPUs) (0x4e1d2000 RAM) J9Generic_Signal_Number=00000004 Signal_Number=0000000b Error_Value=00000000 Signal_Code=00000001 Handler1=00002AAAAB6158B0 Handler2=00002AAAAB8624B0 InaccessibleAddress=FFFFFFFFFFFFF1D2 RDI=0000000000000001 RSI=000000000000054C RAX=0000000000000000 RBX=00000000040FECC0 RCX=0000000000000001 RDX=FFFFFFFFFFFFF1D2 R8=0000000000000000 R9=00000000032FB53A R10=0000000043907437 R11=0000000000000001 R12=0000000000000478 R13=00000000040FD488 R14=000000000055A3C8 R15=00000000040FD494 RIP=00002AAAAC5F07CE GS=0005000000000000 FS=0000000500000000 RSP=00000000401A1AD0 EFlags=0000000000010203 CS=000000000000AC34 RBP=00000000040FE84C ERR=0000000000000005 TRAPNO=000000000000000E OLDMASK=0000000000000000 CR2=FFFFFFFFFFFFF1D2 xmm0 000000000054b800 (f: 5552128.000000, d: 2.743116e-317) xmm1 00002aaaab73de40 (f: 2876497408.000000, d: 2.317786e-310) xmm2 00002aaaab2400c0 (f: 2871263488.000000, d: 2.317786e-310) xmm3 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm4 00002aaaab73f580 (f: 2876503552.000000, d: 2.317786e-310) xmm5 00002aaaab2400c0 (f: 2871263488.000000, d: 2.317786e-310) xmm6 00000000006947a8 (f: 6899624.000000, d: 3.408867e-317) xmm7 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm8 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm9 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm10 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm11 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm12 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm13 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm14 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm15 0000000000000000 (f: 0.000000, d: 0.000000e+00) Module=/usr/local/java/ibm150/bin/../jre/bin/libj9jvmti23.so Module_base_address=00002AAAAC5E4000 JVMDUMP006I Processing Dump Event "gpf", detail "" - Please Wait. JVMDUMP007I JVM Requesting System Dump using '/usr/local/apps/jboss-4.0.3SP1/bin/core.20051202.162007.18614.dmp' JVMDUMP010I System Dump written to /usr/local/apps/jboss-4.0.3SP1/bin/core.20051202.162007.18614.dmp JVMDUMP007I JVM Requesting Snap Dump using '/usr/local/apps/jboss-4.0.3SP1/bin/Snap0001.20051202.162007.18614.trc' JVMDUMP010I Snap Dump written to /usr/local/apps/jboss-4.0.3SP1/bin/Snap0001.20051202.162007.18614.trc JVMDUMP007I JVM Requesting Java Dump using '/usr/local/apps/jboss-4.0.3SP1/bin/javacore.20051202.162007.18614.txt' JVMDUMP010I Java Dump written to /usr/local/apps/jboss-4.0.3SP1/bin/javacore.20051202.162007.18614.txt JVMDUMP013I Processed Dump Event "gpf", detail "". Back to top SaketR Guest Posted: Fri Dec 02, 2005 9:59 pm    Post subject: Re: Remote dubugging JBoss under 1.5.0 GA causes VM exit... Hi Andy, -Xj9 does not turn off the JIT. It had some meaning prior to 5.0 GA, but it is no longer applicable in 5.0. Try the following command line options and see if it works: 1. -Xint 2. -Xtrace:none 3. -Xint -Xtrace:none cheers! SaketR "javahollic" <javahollic (AT) gmail (DOT) com> wrote in message news:dmptjm$45ck$1 (AT) news (DOT) boulder.ibm.com... Quote: Hi, Im trying to debug a web application under IBM 1.5.0GA and Jboss 4.0.3SP1, using Socket debugging from Eclipse 3.1.1 to jboss. When I poke the webapp with a browser, it starts working then the IBM VM running JBoss dies. Ive tried explicitly turning on the JIT with -Xj9 I found mentioned on google to no avail. Its totally repeatable. If it was a problem in the code Id expect a standard java stack not a VM exit, anyone got clues? Anywhere that I post the full dump to? Cheers, andy Back to top cnbailey Guest Posted: Wed Dec 07, 2005 10:56 pm    Post subject: Re: Remote dubugging JBoss under 1.5.0 GA causes VM exit... javahollic wrote: Quote: Hi, Im trying to debug a web application under IBM 1.5.0GA and Jboss 4.0.3SP1, using Socket debugging from Eclipse 3.1.1 to jboss. When I poke the webapp with a browser, it starts working then the IBM VM running JBoss dies. Ive tried explicitly turning on the JIT with -Xj9 I found mentioned on google to no avail. Its totally repeatable. If it was a problem in the code Id expect a standard java stack not a VM exit, anyone got clues? Anywhere that I post the full dump to? Cheers, andy ------------------------ Console dump as follows: ------------------------ Unhandled exception Type=Segmentation error vmState=0x00000000 Target=2_30_20051027_03723_LHdSMr (Linux 2.6.12-10-amd64-k CPU=amd64 (1 logical CPUs) (0x4e1d2000 RAM) J9Generic_Signal_Number=00000004 Signal_Number=0000000b Error_Value=00000000 Signal_Code=00000001 Handler1=00002AAAAB6158B0 Handler2=00002AAAAB8624B0 InaccessibleAddress=FFFFFFFFFFFFF1D2 RDI=0000000000000001 RSI=000000000000054C RAX=0000000000000000 RBX=00000000040FECC0 RCX=0000000000000001 RDX=FFFFFFFFFFFFF1D2 R8=0000000000000000 R9=00000000032FB53A R10=0000000043907437 R11=0000000000000001 R12=0000000000000478 R13=00000000040FD488 R14=000000000055A3C8 R15=00000000040FD494 RIP=00002AAAAC5F07CE GS=0005000000000000 FS=0000000500000000 RSP=00000000401A1AD0 EFlags=0000000000010203 CS=000000000000AC34 RBP=00000000040FE84C ERR=0000000000000005 TRAPNO=000000000000000E OLDMASK=0000000000000000 CR2=FFFFFFFFFFFFF1D2 xmm0 000000000054b800 (f: 5552128.000000, d: 2.743116e-317) xmm1 00002aaaab73de40 (f: 2876497408.000000, d: 2.317786e-310) xmm2 00002aaaab2400c0 (f: 2871263488.000000, d: 2.317786e-310) xmm3 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm4 00002aaaab73f580 (f: 2876503552.000000, d: 2.317786e-310) xmm5 00002aaaab2400c0 (f: 2871263488.000000, d: 2.317786e-310) xmm6 00000000006947a8 (f: 6899624.000000, d: 3.408867e-317) xmm7 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm8 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm9 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm10 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm11 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm12 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm13 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm14 0000000000000000 (f: 0.000000, d: 0.000000e+00) xmm15 0000000000000000 (f: 0.000000, d: 0.000000e+00) Module=/usr/local/java/ibm150/bin/../jre/bin/libj9jvmti23.so Module_base_address=00002AAAAC5E4000 JVMDUMP006I Processing Dump Event "gpf", detail "" - Please Wait. JVMDUMP007I JVM Requesting System Dump using '/usr/local/apps/jboss-4.0.3SP1/bin/core.20051202.162007.18614.dmp' JVMDUMP010I System Dump written to /usr/local/apps/jboss-4.0.3SP1/bin/core.20051202.162007.18614.dmp JVMDUMP007I JVM Requesting Snap Dump using '/usr/local/apps/jboss-4.0.3SP1/bin/Snap0001.20051202.162007.18614.trc' JVMDUMP010I Snap Dump written to /usr/local/apps/jboss-4.0.3SP1/bin/Snap0001.20051202.162007.18614.trc JVMDUMP007I JVM Requesting Java Dump using '/usr/local/apps/jboss-4.0.3SP1/bin/javacore.20051202.162007.18614.txt' JVMDUMP010I Java Dump written to /usr/local/apps/jboss-4.0.3SP1/bin/javacore.20051202.162007.18614.txt JVMDUMP013I Processed Dump Event "gpf", detail "". This is a failure in JVMTI: Module=/usr/local/java/ibm150/bin/../jre/bin/libj9jvmti23.so so is most likely a JVM bug. If you can run gdb against the core.dmp file to generate the stack trace then it may make it clearer as to what the real problem is. 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