J.Andreina created KNOX-505:
-------------------------------

             Summary: Failure during removing credential from Cluster should 
exit with proper error message
                 Key: KNOX-505
                 URL: https://issues.apache.org/jira/browse/KNOX-505
             Project: Apache Knox
          Issue Type: Bug
            Reporter: J.Andreina
            Priority: Minor


Failure during removing credential from Cluster should exit with proper error 
message

Currently for the above case, it displays that  addition of credential has 
failed. 

{noformat}
DefaultKeystoreService.java

public void removeCredentialForCluster(String clusterName, String alias) {
    KeyStore ks = getCredentialStoreForCluster(clusterName);
    removeCredential(alias, ks);
    final File  keyStoreFile = new File( keyStoreDir + clusterName + 
CREDENTIALS_SUFFIX  );
    try {
      writeKeystoreToFile(ks, keyStoreFile);
    } catch (KeyStoreException e) {
      LOG.failedToAddCredentialForCluster( clusterName, e );
    } catch (NoSuchAlgorithmException e) {
      LOG.failedToAddCredentialForCluster( clusterName, e );
    } catch (CertificateException e) {
      LOG.failedToAddCredentialForCluster( clusterName, e );
    } catch (IOException e) {
      LOG.failedToAddCredentialForCluster( clusterName, e );
    }
  }
{noformat}





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