4838b735f0d472765f402fe6b1c8b6ce85b9fbf1,hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/Credentials.java,Credentials,readTokenStorageStream,#DataInputStream#,207

Before Change


      throw new IOException("Unknown version " + version + 
                            " in token storage.");
    }
    readFields(in);
  }
  
  private static final byte[] TOKEN_STORAGE_MAGIC =

After Change


      throw new IOException("Bad header found in token storage.");
    }
    byte version = in.readByte();
    if (version != TOKEN_STORAGE_VERSION &&
        version != OLD_TOKEN_STORAGE_VERSION) {
      throw new IOException("Unknown version " + version +
                            " in token storage.");
    }
    if (version == OLD_TOKEN_STORAGE_VERSION) {
      readFields(in);
    } else if (version == TOKEN_STORAGE_VERSION) {
      readProtos(in);
    }