| Pietro Martone 2004-02-04, 12:37 am |
| We have implemented a system based on stateless session beans that
runs on Weblogic Server 6.1 SP5 on SUN Solaris 8.
In a well identified part of the application logic, the weblogic
server hangs: the Weblogic Server console doesn't answer, it doesn't
write any application log, but consume 50% of CPU time!
The question is: what is the server doing?
We tried to have a thread dump using kill -3 and Ctrl+\ command
unsuccessfully.
Does anyone know other ways to have a thread dump?
With a kill -9 we obtained the output attached below. There are
several, but seem to be the same problem.
The workaround found was to start the weblogic server using "-hotspot"
option instead of "-server".
Can anyone give a reason for this behaviour? Or any other possible
solution?
KILL OUTPUT 1:
Unexpected Signal : 11 occurred at PC=0xfe226704
Function name=JVM_GetClassName
Library=/app1/bea/jdk131/jre/lib/sparc/server/libjvm.so
Dynamic libraries:
0x10000 /app1/bea/jdk131/jre/bin/../bin/sparc/native_threads/java
0xff350000 /lib/libthread.so.1
0xff390000 /lib/libdl.so.1
0xff200000 /lib/libc.so.1
0xff340000 /usr/platform/SUNW,Sun-Fire-280R/lib/libc_psr.so.1
0xfe000000 /app1/bea/jdk131/jre/lib/sparc/server/libjvm.so
0xff2e0000 /lib/libCrun.so.1
0xff1e0000 /lib/libsocket.so.1
0xff100000 /lib/libnsl.so.1
0xff0d0000 /lib/libm.so.1
0xff310000 /lib/libw.so.1
0xff0b0000 /lib/libmp.so.2
0xff080000 /app1/bea/jdk131/jre/lib/sparc/native_threads/libhpi.so
0xff050000 /app1/bea/jdk131/jre/lib/sparc/libverify.so
0xfe7c0000 /app1/bea/jdk131/jre/lib/sparc/libjava.so
0xff020000 /app1/bea/jdk131/jre/lib/sparc/libzip.so
0xfdd80000 /app1/bea/jdk131/jre/lib/sparc/libnet.so
0xfdd60000 /app1/bea/wlserver6.1/lib/solaris/libweblogicunix1.so
0xfa860000 /lib/nss_files.so.1
0xb61e0000 /app1/bea/jdk131/jre/lib/sparc/libioser12.so
Local Time = Fri Jul 11 12:08:13 2003
Elapsed Time = 179
#
# HotSpot Virtual Machine Error : 11
# Error ID : 4F530E43505002BD 01
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Server VM (1.3.1_07-b02 mixed mode)
#
KILL OUTPUT 2:
Unexpected Signal : 11 occurred at PC=0xfe226704
Function name=JVM_GetClassName
Library=/app1/bea/jdk131/jre/lib/sparc/server/libjvm.so
Dynamic libraries:
0x10000 /app1/bea/jdk131/jre/bin/../bin/sparc/native_threads/java
0xff350000 /lib/libthread.so.1
0xff390000 /lib/libdl.so.1
0xff200000 /lib/libc.so.1
0xff340000 /usr/platform/SUNW,Sun-Fire-280R/lib/libc_psr.so.1
0xfe000000 /app1/bea/jdk131/jre/lib/sparc/server/libjvm.so
0xff2e0000 /lib/libCrun.so.1
0xff1e0000 /lib/libsocket.so.1
0xff100000 /lib/libnsl.so.1
0xff0d0000 /lib/libm.so.1
0xff310000 /lib/libw.so.1
0xff0b0000 /lib/libmp.so.2
0xff080000 /app1/bea/jdk131/jre/lib/sparc/native_threads/libhpi.so
0xff050000 /app1/bea/jdk131/jre/lib/sparc/libverify.so
0xfe7c0000 /app1/bea/jdk131/jre/lib/sparc/libjava.so
0xff020000 /app1/bea/jdk131/jre/lib/sparc/libzip.so
0xfdd80000 /app1/bea/jdk131/jre/lib/sparc/libnet.so
0xfdd60000 /app1/bea/wlserver6.1/lib/solaris/libweblogicunix1.so
0xfa860000 /lib/nss_files.so.1
0xb61e0000 /app1/bea/jdk131/jre/lib/sparc/libioser12.so
0xb60e0000 /app1/bea/wlserver6.1/lib/solaris/libmuxer.so
0xb60b0000 /usr/ucblib/libucb.so.1
0xb5fb0000 /lib/libresolv.so.2
0xb5ec0000 /lib/libelf.so.1
Local Time = Thu Jul 10 18:25:45 2003
Elapsed Time = 142
#
# HotSpot Virtual Machine Error : 11
# Error ID : 4F530E43505002BD 01
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Server VM (1.3.1_07-b02 mixed mode)
#
KILL OUTPUT 3:
Unexpected Signal : 11 occurred at PC=0xfe226704
Function name=JVM_GetClassName
Library=/app1/bea/jdk131/jre/lib/sparc/server/libjvm.so
Dynamic libraries:
0x10000 /app1/bea/jdk131/jre/bin/../bin/sparc/native_threads/java
0xff350000 /lib/libthread.so.1
0xff390000 /lib/libdl.so.1
0xff200000 /lib/libc.so.1
0xff340000 /usr/platform/SUNW,Sun-Fire-280R/lib/libc_psr.so.1
0xfe000000 /app1/bea/jdk131/jre/lib/sparc/server/libjvm.so
0xff2e0000 /lib/libCrun.so.1
0xff1e0000 /lib/libsocket.so.1
0xff100000 /lib/libnsl.so.1
0xff0d0000 /lib/libm.so.1
0xff310000 /lib/libw.so.1
0xff0b0000 /lib/libmp.so.2
0xff080000 /app1/bea/jdk131/jre/lib/sparc/native_threads/libhpi.so
0xff050000 /app1/bea/jdk131/jre/lib/sparc/libverify.so
0xfe7c0000 /app1/bea/jdk131/jre/lib/sparc/libjava.so
0xff020000 /app1/bea/jdk131/jre/lib/sparc/libzip.so
0xfdd80000 /app1/bea/jdk131/jre/lib/sparc/libnet.so
0xfdd60000 /app1/bea/wlserver6.1/lib/solaris/libweblogicunix1.so
0xfa860000 /lib/nss_files.so.1
0xb61e0000 /app1/bea/jdk131/jre/lib/sparc/libioser12.so
0xb60e0000 /app1/bea/wlserver6.1/lib/solaris/libmuxer.so
0xb60b0000 /usr/ucblib/libucb.so.1
0xb5fb0000 /lib/libresolv.so.2
0xb5ec0000 /lib/libelf.so.1
Local Time = Thu Jul 10 19:09:54 2003
Elapsed Time = 118
#
# HotSpot Virtual Machine Error : 11
# Error ID : 4F530E43505002BD 01
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Server VM (1.3.1_07-b02 mixed mode)
#
KILL OUTPUT 4:
Unexpected Signal : 11 occurred at PC=0xfe226704
Function name=JVM_GetClassName
Library=/app1/bea/jdk131/jre/lib/sparc/server/libjvm.so
Dynamic libraries:
0x10000 /app1/bea/jdk131/jre/bin/../bin/sparc/native_threads/java
0xff350000 /lib/libthread.so.1
0xff390000 /lib/libdl.so.1
0xff200000 /lib/libc.so.1
0xff340000 /usr/platform/SUNW,Sun-Fire-280R/lib/libc_psr.so.1
0xfe000000 /app1/bea/jdk131/jre/lib/sparc/server/libjvm.so
0xff2e0000 /lib/libCrun.so.1
0xff1e0000 /lib/libsocket.so.1
0xff100000 /lib/libnsl.so.1
0xff0d0000 /lib/libm.so.1
0xff310000 /lib/libw.so.1
0xff0b0000 /lib/libmp.so.2
0xff080000 /app1/bea/jdk131/jre/lib/sparc/native_threads/libhpi.so
0xff050000 /app1/bea/jdk131/jre/lib/sparc/libverify.so
0xfe7c0000 /app1/bea/jdk131/jre/lib/sparc/libjava.so
0xff020000 /app1/bea/jdk131/jre/lib/sparc/libzip.so
0xfdd80000 /app1/bea/jdk131/jre/lib/sparc/libnet.so
0xfdd60000 /app1/bea/wlserver6.1/lib/solaris/libweblogicunix1.so
0xfa860000 /lib/nss_files.so.1
0xb61e0000 /app1/bea/jdk131/jre/lib/sparc/libioser12.so
Local Time = Thu Jul 10 19:48:08 2003
Elapsed Time = 212
#
# HotSpot Virtual Machine Error : 11
# Error ID : 4F530E43505002BD 01
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Server VM (1.3.1_07-b02 mixed mode)
#
KILL OUTPUT 5:
Unexpected Signal : 11 occurred at PC=0xfe226704
Function name=JVM_GetClassName
Library=/app1/bea/jdk131/jre/lib/sparc/server/libjvm.so
Dynamic libraries:
0x10000 /app1/bea/jdk131/jre/bin/../bin/sparc/native_threads/java
0xff350000 /lib/libthread.so.1
0xff390000 /lib/libdl.so.1
0xff200000 /lib/libc.so.1
0xff340000 /usr/platform/SUNW,Sun-Fire-280R/lib/libc_psr.so.1
0xfe000000 /app1/bea/jdk131/jre/lib/sparc/server/libjvm.so
0xff2e0000 /lib/libCrun.so.1
0xff1e0000 /lib/libsocket.so.1
0xff100000 /lib/libnsl.so.1
0xff0d0000 /lib/libm.so.1
0xff310000 /lib/libw.so.1
0xff0b0000 /lib/libmp.so.2
0xff080000 /app1/bea/jdk131/jre/lib/sparc/native_threads/libhpi.so
0xff050000 /app1/bea/jdk131/jre/lib/sparc/libverify.so
0xfe7c0000 /app1/bea/jdk131/jre/lib/sparc/libjava.so
0xff020000 /app1/bea/jdk131/jre/lib/sparc/libzip.so
0xfdd80000 /app1/bea/jdk131/jre/lib/sparc/libnet.so
0xfdd60000 /app1/bea/wlserver6.1/lib/solaris/libweblogicunix1.so
0xfa860000 /lib/nss_files.so.1
0xb61e0000 /app1/bea/jdk131/jre/lib/sparc/libioser12.so
0xb60e0000 /app1/bea/wlserver6.1/lib/solaris/libmuxer.so
0xb60b0000 /usr/ucblib/libucb.so.1
0xb5fb0000 /lib/libresolv.so.2
0xb5ec0000 /lib/libelf.so.1
Local Time = Thu Jul 10 21:03:35 2003
Elapsed Time = 184
#
# HotSpot Virtual Machine Error : 11
# Error ID : 4F530E43505002BD 01
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Server VM (1.3.1_07-b02 mixed mode)
#
KILL OUTPUT 6:
Unexpected Signal : 11 occurred at PC=0xfe226704
Function name=JVM_GetClassName
Library=/app1/bea/jdk131/jre/lib/sparc/server/libjvm.so
Dynamic libraries:
0x10000 /app1/bea/jdk131/jre/bin/../bin/sparc/native_threads/java
0xff350000 /lib/libthread.so.1
0xff390000 /lib/libdl.so.1
0xff200000 /lib/libc.so.1
0xff340000 /usr/platform/SUNW,Sun-Fire-280R/lib/libc_psr.so.1
0xfe000000 /app1/bea/jdk131/jre/lib/sparc/server/libjvm.so
0xff2e0000 /lib/libCrun.so.1
0xff1e0000 /lib/libsocket.so.1
0xff100000 /lib/libnsl.so.1
0xff0d0000 /lib/libm.so.1
0xff310000 /lib/libw.so.1
0xff0b0000 /lib/libmp.so.2
0xff080000 /app1/bea/jdk131/jre/lib/sparc/native_threads/libhpi.so
0xff050000 /app1/bea/jdk131/jre/lib/sparc/libverify.so
0xfe7c0000 /app1/bea/jdk131/jre/lib/sparc/libjava.so
0xff020000 /app1/bea/jdk131/jre/lib/sparc/libzip.so
0xfdd80000 /app1/bea/jdk131/jre/lib/sparc/libnet.so
0xfdd60000 /app1/bea/wlserver6.1/lib/solaris/libweblogicunix1.so
0xfa860000 /lib/nss_files.so.1
0xb61e0000 /app1/bea/jdk131/jre/lib/sparc/libioser12.so
0xb60e0000 /app1/bea/wlserver6.1/lib/solaris/libmuxer.so
0xb60b0000 /usr/ucblib/libucb.so.1
0xb5fb0000 /lib/libresolv.so.2
0xb5ec0000 /lib/libelf.so.1
Local Time = Fri Jul 11 11:38:50 2003
Elapsed Time = 368
#
# HotSpot Virtual Machine Error : 11
# Error ID : 4F530E43505002BD 01
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Server VM (1.3.1_07-b02 mixed mode)
#
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