title: Weblogic Deployment Exception : PaddingException: Could not perform unpadding: invalid pad byte
body: <p>This question is asked (and answered) just to <a href="https://meta.stackexchange.com/questions/17463/can-i-answer-my-own-questions-even-those-where-i-knew-the-answer-before-asking">share</a> some knowledge with the SO Community.</p>
  
  <p>I have recently came up with a deployment Exception of my web application (after receiving some changes from the SVN Repository) that said:</p>
  
  <blockquote>
    <p>&lt; Error > &lt; Deployer >   with ID '1350377960779' for task '1'. Error is: 'com.rsa.jsafe.JSAFE_PaddingException: Could not perform unpadding: invalid pad byte.'
    com.rsa.jsafe.JSAFE_PaddingException: Could not perform unpadding: invalid pad byte.
                    at com.rsa.jsafe.c.a(Unknown Source)
                    at com.rsa.jsafe.JSAFE_SymmetricCipher.decryptFinal(Unknown Source)
                    at weblogic.security.internal.encryption.JSafeEncryptionServiceImpl.decryptBytes(JSafeEncryptionServiceImpl.java:124)
                    at weblogic.security.internal.encryption.JSafeEncryptionServiceImpl.decryptString(JSafeEncryptionServiceImpl.java:184)
                    at weblogic.security.internal.encryption.ClearOrEncryptedService.decrypt(ClearOrEncryptedService.java:96)
                    Truncated. see log file for complete stacktrace
    Caused By: com.rsa.jsafe.JSAFE_PaddingException: Could not perform unpadding: invalid pad byte.</p>
  </blockquote>