OAM : Error while starting cluster: (Wrapped) java.io.IOException: Keystore was tampered with, or password was incorrect

Symptom

Below error is logged in Adminserver log. In OAM environment, oam_admin will be failed state.

     (thread=Configuration Store Observer, member=n/a): Error while starting cluster: (Wrapped) java.io.IOException: Keystore was tampered with, or password was incorrect
        at com.tangosol.util.Base.ensureRuntimeException(Base.java:290)
.
.
.
        at java.util.TimerThread.run(Timer.java:505)
Caused by: java.io.IOException: Keystore was tampered with, or password was incorrect
        at sun.security.provider.JavaKeyStore.engineLoad(JavaKeyStore.java:772)
.
.
        ... 45 more
Caused by: java.security.UnrecoverableKeyException: Password verification failed
        at sun.security.provider.JavaKeyStore.engineLoad(JavaKeyStore.java:770)
        ... 49 more
>

Workaround:

1) Start the AdminServer.
2) Login to the Enterprise Manager.
3) Right click on Domain in the left navigation panel and select Security -> Credentials.

4) Delete the credential Map key pair OAM_STORE > coh

5) Restart the AdminServer. This will re-create the Coherence Bootstrap artifact and reset the required password.