Submitter seeing unexpected exception while configuring an OAM install.

[2015-09-25T10:07:59.161-04:00] [AdminServer] [NOTIFICATION:16] [OAM-69045]
[oracle.oam.install.bootstrap] [tid: [ACTIVE].ExecuteThread: '1' for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: <anonymous>] [ecid: 0000L04oxfE8DwQ5mbMaMZ1M1LJN000005,0] [APP: oam_admin#11.1.2.0.0] Could not validate integrity of OAM key store[[ java.security.UnrecoverableKeyException: Given final block not properly padded
at com.sun.crypto.provider.KeyProtector.recover(KeyProtector.java:203)
at com.sun.crypto.provider.JceKeyStore.engineGetKey(JceKeyStore.java:131)
at java.security.KeyStoreSpi.engineGetEntry(KeyStoreSpi.java:473)
at java.security.KeyStore.getEntry(KeyStore.java:1302)
at oracle.security.am.install.startup.AMKeyStoreValidator.validateOAMKeystore(AMKeyStoreValidator.java:226)