[ https://issues.apache.org/jira/browse/HBASE-20047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16375962#comment-16375962 ]
maoling commented on HBASE-20047: --------------------------------- v0 just follows an example of Hadoop's [AbstractDelegationTokenIdentifier|https://github.uconn.edu/SNSL/hadoop/blob/master/code/stock_hadoop/hadoop-1.1.2/src/core/org/apache/hadoop/security/token/delegation/AbstractDelegationTokenIdentifier.java#L189] v1 has used + operator to concat the string {code:java} AuthenticationTokenIdentifier ati = new AuthenticationTokenIdentifier(); ati.setUsername("maoling"); ati.setKeyId(123); ati.setIssueDate(System.currentTimeMillis()); ati.setExpirationDate(System.currentTimeMillis()); ati.setSequenceNumber(System.currentTimeMillis()); System.out.println("the format of the returned string is: \n" + ati); {code} the format of the returned string is: {code:java} (username=maoling, keyId=123, issueDate=1519538066607, expirationDate=1519538066607, sequenceNumber=1519538066607) {code} > AuthenticationTokenIdentifier should provide a toString > ------------------------------------------------------- > > Key: HBASE-20047 > URL: https://issues.apache.org/jira/browse/HBASE-20047 > Project: HBase > Issue Type: Improvement > Components: Usability > Reporter: Sean Busbey > Assignee: maoling > Priority: Minor > Labels: beginner > Attachments: HBASE-20047.master.v0.patch, HBASE-20047.master.v1.patch > > > It'd be easier to debug things like MapReduce and Spark jobs if our > AuthenticationTokenIdentifier provided a toString method. > For comparison, here's an example of a MapReduce job that has both an HDFS > delegation token and our delegation token: > {code:java} > 18/02/21 20:40:06 INFO mapreduce.JobSubmitter: Kind: HBASE_AUTH_TOKEN, > Service: 92a63bd8-9e00-4c04-ab61-da8e606068e1, Ident: > (org.apache.hadoop.hbase.security.token.AuthenticationTokenIdentifier@17) > 18/02/21 20:40:06 INFO mapreduce.JobSubmitter: Kind: HDFS_DELEGATION_TOKEN, > Service: 172.31.118.118:8020, Ident: (token for some_user: > HDFS_DELEGATION_TOKEN owner=some_u...@example.com, renewer=yarn, realUser=, > issueDate=1519274405003, maxDate=1519879205003, sequenceNumber=23, > masterKeyId=9) > {code} > Stuff in TokenIdentifier is supposed to be public, so we should be fine to > dump everything, similar to Hadoop's AbstractDelegationTokenIdentifier. > > -- This message was sent by Atlassian JIRA (v7.6.3#76005)