SAP JVM uninstallation

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Hi Basis Gurus,

We have migrated to SAP JVM in production as well as QA.We did the System Copy, but while giving params to sapinst during system copy, the path for jdk was given mistakenly given /usr/java.Now after the system copy, java is not getting up.The bootstrap log says:

Unrecognized option: -Xj9

[Thr 772] *** ERROR => JHVM_LoadJavaVM: Cannot create Java VM (rc=-6) [jhvmxx_mt.c 558]

[Thr 772] *** ERROR => Cannot load Java VM (server) (rc=-1) [jlnchxxi_mt. 752]

[Thr 772] **********************************************************************

*** ERROR => Java VM initialization failed.

*** Please see SAP Note 943602 , section 'Java VM initialization issues'

*** for additional information and trouble shooting.

**********************************************************************

[Thr 772] SigISetIgnoreAction : SIG_IGN for signal 20

[Thr 772] JLaunchCloseProgram: good bye (exitcode = -1)

The java version in Q is currently pointing to IBM .

java -version

java version "1.4.2"

Java(TM) 2 Runtime Environment, Standard Edition (build 2.3)

IBM J9 VM (build 2.3, J2RE 1.4.2 IBM J9 2.3 AIX ppc64-64 j9ap64142ifx-20100915 (JIT enabled)

J9VM - 20100914_64612_BHdSMr

JIT - 20090210_1447ifx2_r8

GC - 200902_24)

Please suggest