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Migmon reports Lock file 'ExportMonitor.lck'

DieterLorenz
Active Participant
0 Kudos

Hello,

I wanted to export a Oracle DB 11.2.04 in suse 11 SP 2 environment. Try many java version from oracle 1.8.0_45, kernel and sap java 4.1. Get a lock error or a java exception.

> ./export_monitor.sh -javaversion

+ /tmp/java/jre1.8.0_45//bin/java -Xmx1024m -cp ./.:./migmon.jar:./activation.jar:./mail.jar com.sap.inst.lib.app.SecureStartup -Xmx1024m com.sap.inst.migmon.exp.ExportMonitor -dbType ORA -javaversion

java version: 1.8.0_45

java vendor: Oracle Corporation

Oracle Corporation(build 25.45-b02, mixed mode)

Another instance of application is already running.

Lock file 'ExportMonitor.lck' is locked by other process.

sap java exception looks like

+ /tmp/java/sapjvm_4/bin/java -Xmx1024m -cp ./.:./migmon.jar:./activation.jar:./mail.jar com.sap.inst.lib.app.SecureStartup -Xmx1024m com.sap.inst.migmon.exp.ExportMonitor -dbType ORA

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/sap/inst/lib/app/SecureStartup : Unsupported major.minor version 50.0

        at java.lang.ClassLoader.defineClass1(Native Method)

        at java.lang.ClassLoader.defineClass(ClassLoader.java:638)

        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

        at java.net.URLClassLoader.defineClass(URLClassLoader.java:307)

        at java.net.URLClassLoader.access$100(URLClassLoader.java:59)

        at java.net.URLClassLoader$1.run(URLClassLoader.java:250)

        at java.security.AccessController.doPrivileged(Native Method)

        at java.net.URLClassLoader.findClass(URLClassLoader.java:243)

        at java.lang.ClassLoader.loadClass(ClassLoader.java:365)

        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:318)

        at java.lang.ClassLoader.loadClass(ClassLoader.java:311)

1. there is no other migmon running
2. there is no java instance running (stopped all SMD and SAP systems)

3. there is no ExportMonitor.lck file on the whole filesystem

Any ideas ?

Thanks a lot !

Accepted Solutions (1)

Accepted Solutions (1)

Former Member
0 Kudos

Hello Dieter,

1. Are you running on a local filesystem or NFS ?


Do NOT run on NFS. It causes so many hard to figure problems?

2. JAVA 1.6 should work fine.

Cheers,

Amerjit

DieterLorenz
Active Participant
0 Kudos

Hello,

everything (migmon exe and export location) is on local disks - no nfs.

Former Member
0 Kudos

Dieter,

Exception in thread "main" java.lang.UnsupportedClassVersionError: com/sap/inst/lib/app/SecureStartup : Unsupported major.minor version 50.0

1. I see you are running out of /tmp. Don't use /tmp. Please create/use another f/s.

2. Make sure the permissions on the directory (and files) you use are at least 775 for sidadm/sapsys (recursive)

3. Please run the following  and post the output.

"which java"

"java -version"

"lsof | grep -i ExportMonitor"

"env"

4. Explicitly set JAVA_HOME before starting migmon (sidadm)


eg: export JAVA_HOME=/usr/java6_64

5. Check your LIBPATH

Cheers,

Amerjit

DieterLorenz
Active Participant
0 Kudos

Hello,

thanks for your answer, use the file location /oracle/SID/sapdata1/migmon, now it works.

thanks

Regards

Answers (2)

Answers (2)

srinivasan_vinayagam
Active Contributor
0 Kudos

Hi Dieter,

You SAP version?

DieterLorenz
Active Participant
0 Kudos

Hi,

SAP ECC 6.0 EHP 6

Thanks

DieterLorenz
Active Participant
0 Kudos

The SAPJVM6_75-10006989 does not work too.

srinivasan_vinayagam
Active Contributor
0 Kudos

Hi Dieter,

The Java version is not supported Version.

What is your SAP system release?

Regards,

V Srinivasan

DieterLorenz
Active Participant
0 Kudos

Which Version is supported ? Have already the jdk Version testet - no luck.