[ https://issues.apache.org/jira/browse/HADOOP-13155?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiao Chen updated HADOOP-13155: ------------------------------- Description: Service DelegationToken (DT) renewal is done in Yarn by {{org.apache.hadoop.yarn.server.resourcemanager.security.DelegationTokenRenewer}}, where it calls {{Token#renew}} and uses ServiceLoader to find the renewer class ([code|https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/Token.java#L382]), and invokes the renew method from it. We seem to miss the token renewer class in KMS / HttpFSFileSystem, and hence Yarn defaults to {{TrivialRenewer}} for DT of such kinds, resulting in the token not being renewed. As a side note, {{HttpFSFileSystem}} does have a {{renewDelegationToken}} API, but I don't see it invoked in hadoop code base. KMS does not have any renew hook. was: DelegationToken is done in Yarn by {{DelegationTokenRenewer}}, where it calls {{Token#renew}} and uses ServiceLoader to get the renewer class ([code|https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/Token.java#L382]) We seem to miss the token renewer class in KMS/HttpFSFileSystem, and hence Yarn defaults to {{TrivialRenewer}} for DT of these kinds, resulting in the token not renewed. As a side note, {{HttpFSFileSystem}} does have a {{renewDelegationToken}} API, but I don't see it invoked in hadoop code base. KMS does not have any renew hook. > Implement TokenRenewer in KMS and HttpFS > ---------------------------------------- > > Key: HADOOP-13155 > URL: https://issues.apache.org/jira/browse/HADOOP-13155 > Project: Hadoop Common > Issue Type: Bug > Reporter: Xiao Chen > Assignee: Xiao Chen > > Service DelegationToken (DT) renewal is done in Yarn by > {{org.apache.hadoop.yarn.server.resourcemanager.security.DelegationTokenRenewer}}, > where it calls {{Token#renew}} and uses ServiceLoader to find the renewer > class > ([code|https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/Token.java#L382]), > and invokes the renew method from it. > We seem to miss the token renewer class in KMS / HttpFSFileSystem, and hence > Yarn defaults to {{TrivialRenewer}} for DT of such kinds, resulting in the > token not being renewed. > As a side note, {{HttpFSFileSystem}} does have a {{renewDelegationToken}} > API, but I don't see it invoked in hadoop code base. KMS does not have any > renew hook. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org