Two JVM on Single Weblogic8.1 Server

Hi All
We are planning to setup two JVM in a single Weblogic Server8.1SP5. Two applications are going to run on each JVM.
Just I want to confirm that if it is two JVM means Two individual Managed Servers or not. Please any one confirm.
Cheers
csr

Yes.
1 JVM per managed server, plus a JVM for the Admin Server.
(you can use the Admin Server to deploy applications in a non-clustered environment if so inclined)
<br>
Kevin Powe
http://www.integral-techsolutions.com

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I want to run two database into single server. For that I had created one another database.
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When I am going to connect to another database i have to shutdown the first one.
Is it possible to connect and work on two database at the same time?
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You should have a good enough to have two or more instances running on the same machine.
The performance of a single instnace will always be better compared to having two or more instances on the same machine.
Is it possible to connect and work on two database at the same time?Yes
Here is an example
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ora101AS 548928 1 0 Aug 06 - 0:31 ora_pmon_orcl
ora102DB 552974 1 0 Aug 06 - 0:36 ora_pmon_TEST
ora102DB 1380412 1 0 00:58:49 - 0:04 ora_pmon_LIVE
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$ ps -ef |grep pmon
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Unexpected Signal : 11 occurred at PC=0xFE1CBCAC
Function=[Unknown. Nearest: JVM_FillInStackTrace+0x4CE4]
Library=/bea/jdk142_05/jre/lib/sparc/server/libjvm.so
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0x10000 /bea/jdk142_05/bin/java
0xff360000 /usr/lib/libthread.so.1
0xff3a0000 /usr/lib/libdl.so.1
0xff200000 /usr/lib/libc.so.1
0xff340000 /usr/platform/SUNW,Sun-Fire-V240/lib/libc_psr.so.1
0xfe000000 /bea/jdk142_05/jre/lib/sparc/server/libjvm.so
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0xff1e0000 /usr/lib/libsocket.so.1
0xff100000 /usr/lib/libnsl.so.1
0xff0d0000 /usr/lib/libm.so.1
0xff1c0000 /usr/lib/libsched.so.1
0xff310000 /usr/lib/libw.so.1
0xff0a0000 /usr/lib/libmp.so.2
0xff070000 /bea/jdk142_05/jre/lib/sparc/native_threads/libhpi.so
0xff050000 /usr/lib/nss_files.so.1
0xfe7d0000 /bea/jdk142_05/jre/lib/sparc/libverify.so
0xfe790000 /bea/jdk142_05/jre/lib/sparc/libjava.so
0xfe770000 /bea/jdk142_05/jre/lib/sparc/libzip.so
0xf94a0000 /osmf/i3/i3v7/products/j2ee/lib/libPreciseLog.so
0xf9480000 /usr/lib/libpthread.so.1
0xf9460000 /usr/lib/libkstat.so.1
0xa9050000 /bea/jdk142_05/jre/lib/sparc/libnet.so
0xa9290000 /usr/lib/nss_dns.so.1
0xa8db0000 /usr/lib/libresolv.so.2
0xa9030000 /bea/weblogic814/server/lib/solaris/libmuxer.so
0xa8b60000 /usr/ucblib/libucb.so.1
0xa8b20000 /usr/lib/libelf.so.1
0xa8d90000 /bea/jdk142_05/jre/lib/sparc/libnio.so
0xa8a60000 /usr/lib/librt.so.1
0xa8920000 /usr/lib/libaio.so.1
0xa8900000 /usr/lib/libsendfile.so.1
0xa83e0000 /bea/jdk142_05/jre/lib/sparc/libioser12.so
Heap at VM Abort:
Heap
def new generation total 339264K, used 293091K [0xa9400000, 0xbe950000, 0xbe950000)
eden space 329024K, 87% used [0xa9400000, 0xbac61f00, 0xbd550000)
from space 10240K, 58% used [0xbd550000, 0xbdb26ea0, 0xbdf50000)
to space 10240K, 0% used [0xbdf50000, 0xbdf50000, 0xbe950000)
tenured generation total 699072K, used 204153K [0xbe950000, 0xe9400000, 0xe9400000)
the space 699072K, 29% used [0xbe950000, 0xcb0ae7f8, 0xcb0ae800, 0xe9400000)
compacting perm gen total 65024K, used 64974K [0xe9400000, 0xed380000, 0xf9400000)
the space 65024K, 99% used [0xe9400000, 0xed373a30, 0xed373c00, 0xed380000)
Local Time = Mon Nov 20 13:17:55 2006
Elapsed Time = 150397
# HotSpot Virtual Machine Error : 11
# Error ID : 4F530E43505002EF 01
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
# Java VM: Java HotSpot(TM) Server VM (1.4.2_05-b04 mixed mode)
any idea?

Hi Jitesh
JVM crash could be because of any code, it could be weblogic or your own application or a bug in JDK itself.
1) You can run tools like GDB on the core file which will indicate the source of the crash.
From the stack it looks like a Sun JDK bug
2) Search on sun for this error code shows some known bugs. Checkout http://onesearch.sun.com/search/onesearch/index.jsp?charset=utf-8&col=developer-debugging&qt=4F530E43505002EF+01&rt=true&cs=false
3) You can also upgrade the JVM to the latest version of 1.4.2. I believe you have 1.4.2_05
Vimala-

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Two measuremernt point (single phase).png ‏7 KB
power & energy measurement.jpg ‏172 KB

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