[BUG] [Service] Get Access key error

[tigershi]

The s3 singleton service has following issue when starting
com.vmware.vip.messages.data.conf.S3Config.getAccessKey(S3Config.java:91) - java.security.InvalidKeyException: IOException: null
java.security.spec.InvalidKeySpecException: java.security.InvalidKeyException: IOException: null
at sun.security.rsa.RSAKeyFactory.engineGeneratePublic(RSAKeyFactory.java:241) ~[?:?]
at java.security.KeyFactory.generatePublic(KeyFactory.java:351) ~[?:?]
at com.vmware.vip.common.utils.RsaCryptUtils.getPublicKey(RsaCryptUtils.java:61) ~[vip-common-0.1.0.jar!/:?]
at com.vmware.vip.common.utils.RsaCryptUtils.decryptData(RsaCryptUtils.java:45) ~[vip-common-0.1.0.jar!/:?]
at com.vmware.vip.messages.data.conf.S3Config.getAccessKey(S3Config.java:89) ~[md-data-api-s3impl-0.1.0.jar!/:0.1.0]