Yongjun Zhang created HADOOP-13720:
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             Summary: Add more info to "token ... is expired" message
                 Key: HADOOP-13720
                 URL: https://issues.apache.org/jira/browse/HADOOP-13720
             Project: Hadoop Common
          Issue Type: Bug
          Components: common, security
            Reporter: Yongjun Zhang


Currently AbstractDelegationTokenSecretM anager$checkToken does

{code}
  protected DelegationTokenInformation checkToken(TokenIdent identifier)
      throws InvalidToken {
    assert Thread.holdsLock(this);
    DelegationTokenInformation info = getTokenInfo(identifier);
    if (info == null) {
      throw new InvalidToken("token (" + identifier.toString()
          + ") can't be found in cache");
    }
    if (info.getRenewDate() < Time.now()) {
      throw new InvalidToken("token (" + identifier.toString() + ") is 
expired");
    }
    return info;
  } 
{code}

When a token is expried, we throw the above exception without printing out the 
{{info.getRenewDate()}} in the message. If we print it out, we could know for 
how long the token has not been renewed. This will help us investigate certain 
issues.

Create this jira as a request to add that part.





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