PKI-02002: Unable to open the wallet. Check password. .

Issue:

Info: Data source is: opss-DBDS
Dec 11, 2013 1:23:18 AM oracle.security.jps.internal.credstore.ssp.CsfWalletManager openWallet
WARNING: Opening of wallet based credential store failed. Reason java.io.IOException: PKI-02002: Unable to open the wallet. Check password.
Dec 11, 2013 1:23:18 AM oracle.security.jps.internal.config.util.BootstrapConfigurationUtil getLdapBootstrapCredential
SEVERE: Ldap bootstrap credential retrieval failed. Reason:oracle.security.jps.service.credstore.CredStoreException: JPS-01050: Opening of wallet based credential store failed. Reason java.io.IOException: PKI-02002: Unable to open the wallet. Check password. .
Dec 11, 2013 1:23:18 AM oracle.security.jps.internal.credstore.ldap.LdapCredentialStore getBootstrapCredentials
SEVERE: JPS-00071: Ldap bootstrap credential retrieval failed. Reason:oracle.security.jps.service.credstore.CredStoreException: JPS-01050: Opening of wallet based credential store failed. Reason java.io.IOException: PKI-02002: Unable to open the wallet. Check password. .
oracle.secur

Fix: We changed the MDS password of OIM instance, and after that Admin server didnot come up. So tried a fix which seems to work in similar cases.. go to /tmp and change all files permission to 777