2032677 - ESP cluster manager fails to start with error number 700215

While trying to start the SAP Event Stream Processor cluster manager, it fails to start and the following exception is raised in the cluster.log file:

Jun 19 2014 14:42:01.056 FATAL - CODE_700215 | Exception decrypting Cache/Password
com.sybase.esp.cluster.impl.CipherService$CipherServiceException: Caught exception decrypting text
        at com.sybase.esp.cluster.impl.CipherService.decrypt(Unknown Source)
        at com.sybase.esp.cluster.impl.CipherService.decryptToString(Unknown Source)
        at com.sybase.esp.cluster.impl.CacheConfig.configure(Unknown Source)
        at com.sybase.esp.cluster.impl.NodeConfig.configure(Unknown Source)
        at com.sybase.esp.cluster.impl.Node.initialize(Unknown Source)
        at com.sybase.esp.cluster.impl.Node.initialize(Unknown Source)
        at com.sybase.esp.cluster.FactoryNode.factory(Unknown Source)
        at com.sybase.esp.cluster.FactoryNode.main(Unknown Source)
Caused by: com.sybase.esp.system.crypto.CipherException: caught exception decrypting data
        at com.sybase.esp.system.crypto.Cipher.decrypt(Unknown Source)
        ... 8 more
Caused by: javax.crypto.BadPaddingException: Given final block not properly padded
        at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:811)
        at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:676)
        at com.sun.crypto.provider.AESCipher.engineDoFinal(AESCipher.java:313)
        at javax.crypto.Cipher.doFinal(Cipher.java:2087)

• ESP 5.1

KBA , BC-SYB-ESP , Sybase ESP (Event Stream Processor) , Problem