on 10-19-2007 5:03 AM
Hi,
We have a memory leak in our EP 7 system ( another story ) , and to try
and find it I followed the instructions in note 781869. Now the
instance will not start - I have removed the -Xbootclasspath option and
removed the leakdetector* files
from /usr/sap/SID/JC24/j2ee/cluster/server* directories - and now I am
finding the java app nodes will not start and I am getting the
following errors in std_server0.out :
JVMJ9GC019E -Xms too large for -Xmx
<?xml version="1.0" ?>
<verbosegc>
JVMJ9VM015W Initialization error for library j9gc22(2): Failed to
initialize
and from dev_server0
**********************************************************************
[Thr 1077946720] *** ERROR => JHVM_LoadJavaVM: Cannot create Java VM
(rc=-4) [jhvmxx_mt.c 542]
[Thr 1077946720] *** ERROR => Cannot load Java VM (<default>) (rc=-1)
[jlnchxxi_mt. 752]
[Thr 1077946720]
**********************************************************************
ERROR => Java VM initialization failed.
Please see SAP Note 943602 , section 'Java VM initialization issues'*** for additional information and trouble shooting.
**********************************************************************
[Thr 1077946720] SigISetIgnoreAction : SIG_IGN for signal 17
[Thr 1077946720] JLaunchCloseProgram: good bye (exitcode = -1
Both files are attached ( compressed as a rar file).
I am working through OSS but I am not making much headway as the settings in the configtool appear to be correct ?
Any Ideas ?
Thanks in advance
Gary Vaughan
Hi Gary,
The problem is in the memory settings as the error message says. For the server nodes you have -Xms3072m but
ID244004350.MaxHeapSize=1024
ID244004351.MaxHeapSize=1024
So Xmx setting is actually smaller than Xms. Try changing the max heapsize to 3072m for each server node through configtool and attempt the startup again.
Regards, Myriana
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HI,
Thanks - yes I thought it was that in the end I changed -xms & -xmx settings to 2048 . They were originally 3072 as the system was a homogenous copy of our production environment. And thats what puzzles me the setting were still the same as our prod machine but it would not start until I lowered the memory settings via the configtool.
Thanks again, I tried to award you both points .
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Hi Gary
It would be useful if you could paste here your instance.property settings. From the error you have indicated (-Xms too large for -Xmx) it seems that you have set the initial heap size larger than the maximum heap size. I'm not sure of your operating system platform, but -xms should be (normally) equal to -xmx.
Regards,
Désiré
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Hi ,
We are running on Linux ( Suse 9 ) with maxdb. I was aware something had happened to the memory parameters , but how ?, anyway the following is the instance.properties - Thanks
ID244004300.ClassPath=./bin/boot/boot.jar:./bin/system/bytecode.jar:.
ID244004300.Debuggable=no
ID244004300.JLaunchParameters=
ID244004300.JavaParameters=-Djava.security.policy=./java.policy -Djava.security.egd=file:/dev/urandom -Djco.jarm=1 -verbose:gc -Xms170m
ID244004300.JavaPath=/opt/IBMJava2-amd64-142
ID244004300.LogName=dispatcher
ID244004300.MainClass=com.sap.engine.boot.Start
ID244004300.MaxHeapSize=170
ID244004300.Name=dispatcher
ID244004300.Parameters=
ID244004300.RootPath=/usr/sap/TEP/JC24/j2ee/cluster/dispatcher
ID244004300.Type=dispatcher
ID244004350.ClassPath=./bin/boot/boot.jar:./bin/boot/jaas.jar:./bin/system/bytecode.jar:.
ID244004350.DebugMode=no
ID244004350.DebugPort=52421
ID244004350.Debuggable=no
ID244004350.JLaunchParameters=
ID244004350.JavaParameters=-Djava.security.policy=./java.policy -Djava.security.egd=file:/dev/urandom -Dorg.omg.CORBA.ORBClass=com.sap.engine.system.ORBProxy -Dorg.omg.CORBA.ORBSingletonClass=com.sap.engine.system.ORBSingletonProxy -Djavax.rmi.CORBA.PortableRemoteObjectClass=com.sap.engine.system.PortableRemoteObjectProxy -Djco.jarm=1 -verbose:gc -verbose:Xgccon -Xms3072m -Dorg.omg.PortableInterceptor.ORBInitializerClass.com.sap.engine.services.ts.jts.ots.PortableInterceptor.JTSInitializer -Xbootclasspath/p:/usr/sap/ccms/wily/connectors/connector.jar:/usr/sap/ccms/wily/Agent.jar -Dcom.wily.introscope.agentProfile=/usr/sap/ccms/wily/sap_IntroscopeAgent.profile -Dcom.wily.introscope.agent.agentName=PEP_EP_server0 -Xgcpolicy:gencon -Xmn800m -Xtrace -Xsoftrefthreshold3 -Dfile.encoding=ISO-8859-1 -Dsun.io.useCanonCaches=false -Djava.awt.headless=true -Djavax.security.auth.useSubjectCredsOnly=false -Djava.security.krb5.conf=/usr/sap/PEP/JC34/ktpass/krb5.conf -Dcom.ibm.security.jgss.debug=all -Dcom.ibm.security.krb5.krb5Debug=all
ID244004350.JavaPath=/opt/IBMJava2-amd64-142
ID244004350.LogName=server0
ID244004350.MainClass=com.sap.engine.boot.Start
ID244004350.MaxHeapSize=1024
ID244004350.Name=server0
ID244004350.Parameters=
ID244004350.RootPath=/usr/sap/TEP/JC24/j2ee/cluster/server0
ID244004350.Type=server
ID244004351.ClassPath=./bin/boot/boot.jar:./bin/boot/jaas.jar:./bin/system/bytecode.jar:.
ID244004351.DebugMode=no
ID244004351.DebugPort=52426
ID244004351.Debuggable=no
ID244004351.JLaunchParameters=
ID244004351.JavaParameters=-Djava.security.policy=./java.policy -Djava.security.egd=file:/dev/urandom -Dorg.omg.CORBA.ORBClass=com.sap.engine.system.ORBProxy -Dorg.omg.CORBA.ORBSingletonClass=com.sap.engine.system.ORBSingletonProxy -Djavax.rmi.CORBA.PortableRemoteObjectClass=com.sap.engine.system.PortableRemoteObjectProxy -Dorg.xml.sax.driver=com.sap.engine.lib.xml.parser.SAXParser -Djco.jarm=1 -Xms3072m -verbose:gc -verbose:Xgccon -Xbootclasspath/p:/usr/sap/ccms/wily/connectors/connector.jar:/usr/sap/ccms/wily/Agent.jar -Dcom.wily.introscope.agentProfile=/usr/sap/ccms/wily/sap_IntroscopeAgent.profile -Dcom.wily.introscope.agent.agentName=PEP_EP_server1 -Xgcpolicy:gencon -Xmn800m -Xtrace -Dfile.encoding=ISO-8859-1 -Dsun.io.use.CanonCaches=false -Djava.awt.headless=true -Djavax.security.auth.useSubjectCredsOnly=false -Djava.security.krb5.conf=/usr/sap/PEP/JC34/ktpass/krb5.conf -Dcom.ibm.security.jgss.debug=all -Dcom.ibm.security.krb5.krb5Debug=all
ID244004351.JavaPath=/opt/IBMJava2-amd64-142
ID244004351.LogName=server1
ID244004351.MainClass=com.sap.engine.boot.Start
ID244004351.MaxHeapSize=1024
ID244004351.Name=server1
ID244004351.Parameters=
ID244004351.RootPath=/usr/sap/TEP/JC24/j2ee/cluster/server1
ID244004351.Type=server
ID244004352.ClassPath=./bin/boot/boot.jar:./bin/boot/jaas.jar:./bin/system/bytecode.jar:.
ID244004352.DebugMode=no
ID244004352.DebugPort=52431
ID244004352.Debuggable=no
ID244004352.JLaunchParameters=
ID244004352.JavaParameters=-Djava.security.policy=./java.policy -Djava.security.egd=file:/dev/urandom -Dorg.omg.CORBA.ORBClass=com.sap.engine.system.ORBProxy -Dorg.omg.CORBA.ORBSingletonClass=com.sap.engine.system.ORBSingletonProxy -Djavax.rmi.CORBA.PortableRemoteObjectClass=com.sap.engine.system.PortableRemoteObjectProxy -Dorg.xml.sax.driver=com.sap.engine.lib.xml.parser.SAXParser -Djco.jarm=1 -Xms3072m -verbose:gc -verbose:Xgccon -Xgcpolicy:gencon -Xmn800m -Xtrace -Dfile.encoding=ISO-8859-1 -Dsun.io.useCanonCaches=false -Djava.awt.headless=true -Djavax.security.auth.useSubjectCredsOnly=false -Djava.security.krb5.conf=/usr/sap/PEP/JC34/ktpass/krb5.conf -Dcom.ibm.security.jgss.debug=all -Dcom.ibm.security.krb5.krb5Debug=all
ID244004352.JavaPath=/opt/IBMJava2-amd64-142
ID244004352.LogName=server2
ID244004352.MainClass=com.sap.engine.boot.Start
ID244004352.MaxHeapSize=1024
ID244004352.Name=server2
ID244004352.Parameters=
ID244004352.RootPath=/usr/sap/TEP/JC24/j2ee/cluster/server2
ID244004352.Type=server
bootstrap.ClassPath=./bootstrap/launcher.jar
bootstrap.JavaParameters=-Djco.jarm=1 -Djco.jarm=1
bootstrap.JavaPath=/opt/IBMJava2-amd64-142
bootstrap.MainClass=com.sap.engine.offline.OfflineToolStart
bootstrap.MaxHeapSize=512
bootstrap.Name=bootstrap
bootstrap.Parameters=com.sap.engine.bootstrap.Bootstrap ./bootstrap ID2440043
bootstrap.RootPath=/usr/sap/TEP/JC24/j2ee/cluster
bootstrap.Type=bootstrap
bootstrap_ID244004300.ClassPath=./bootstrap/launcher.jar
bootstrap_ID244004300.JLaunchParameters=
bootstrap_ID244004300.JavaParameters=-Djco.jarm=1
bootstrap_ID244004300.JavaPath=/opt/IBMJava2-amd64-142
bootstrap_ID244004300.MainClass=com.sap.engine.offline.OfflineToolStart
bootstrap_ID244004300.MaxHeapSize=256
bootstrap_ID244004300.Name=dispatcher bootstrap
bootstrap_ID244004300.Parameters=com.sap.engine.bootstrap.Bootstrap ./bootstrap ID244004300
bootstrap_ID244004300.RootPath=/usr/sap/TEP/JC24/j2ee/cluster
bootstrap_ID244004300.Type=bootstrap
bootstrap_ID244004350.ClassPath=./bootstrap/launcher.jar
bootstrap_ID244004350.JLaunchParameters=
bootstrap_ID244004350.JavaParameters=-Djco.jarm=1
bootstrap_ID244004350.JavaPath=/opt/IBMJava2-amd64-142
bootstrap_ID244004350.MainClass=com.sap.engine.offline.OfflineToolStart
bootstrap_ID244004350.MaxHeapSize=256
bootstrap_ID244004350.Name=server0 bootstrap
bootstrap_ID244004350.Parameters=com.sap.engine.bootstrap.Bootstrap ./bootstrap ID244004350
bootstrap_ID244004350.RootPath=/usr/sap/TEP/JC24/j2ee/cluster
bootstrap_ID244004350.Type=bootstrap
bootstrap_ID244004351.ClassPath=./bootstrap/launcher.jar
bootstrap_ID244004351.JLaunchParameters=
bootstrap_ID244004351.JavaParameters=-Djco.jarm=1
bootstrap_ID244004351.JavaPath=/opt/IBMJava2-amd64-142
bootstrap_ID244004351.MainClass=com.sap.engine.offline.OfflineToolStart
bootstrap_ID244004351.MaxHeapSize=1024
bootstrap_ID244004351.Name=server1 bootstrap
bootstrap_ID244004351.Parameters=com.sap.engine.bootstrap.Bootstrap ./bootstrap ID244004351
bootstrap_ID244004351.RootPath=/usr/sap/TEP/JC24/j2ee/cluster
bootstrap_ID244004351.Type=bootstrap
bootstrap_ID244004352.ClassPath=./bootstrap/launcher.jar
bootstrap_ID244004352.JLaunchParameters=
bootstrap_ID244004352.JavaParameters=-Djco.jarm=1
bootstrap_ID244004352.JavaPath=/opt/IBMJava2-amd64-142
bootstrap_ID244004352.MainClass=com.sap.engine.offline.OfflineToolStart
bootstrap_ID244004352.MaxHeapSize=1024
bootstrap_ID244004352.Name=server2 bootstrap
bootstrap_ID244004352.Parameters=com.sap.engine.bootstrap.Bootstrap ./bootstrap ID244004352
bootstrap_ID244004352.RootPath=/usr/sap/TEP/JC24/j2ee/cluster
bootstrap_ID244004352.Type=bootstrap
instance.box.number=TEPJC24jctep
instance.en.host=scstep
instance.en.port=3225
instance.enabled=yes
instance.install.dir=/usr/sap/TEP/JC24/j2ee
instance.ms.host=scstep
instance.ms.port=3925
instance.osLibsPath=/usr/sap/TEP/JC24/j2ee/os_libs
instance.runAction=NONE
instance.runMode=normal
instance.system.id=24
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