yanghua commented on a change in pull request #10891:
[FLINK-15561][Security][hotfix] Add Delegation Token checker in
YarnClusterDescriptor
URL: https://github.com/apache/flink/pull/10891#discussion_r368403224
##########
File path:
flink-yarn/src/main/java/org/apache/flink/yarn/YarnClusterDescriptor.java
##########
@@ -435,9 +436,13 @@ public void killCluster(ApplicationId applicationId)
throws FlinkException {
UserGroupInformation loginUser =
UserGroupInformation.getCurrentUser();
if (loginUser.getAuthenticationMethod() ==
UserGroupInformation.AuthenticationMethod.KERBEROS
&& useTicketCache &&
!loginUser.hasKerberosCredentials()) {
- LOG.error("Hadoop security with Kerberos is
enabled but the login user does not have Kerberos credentials");
- throw new RuntimeException("Hadoop security
with Kerberos is enabled but the login user " +
+ // a delegation token is an adequate substitute
in most cases
Review comment:
You added a stricter condition to the exception identification. Comparing
with the origin logic, if it does not meet the conditions you added, the
original exception will not be logged and thrown. Is this what you expected? In
addition, if you just want to identify the exception more strictly, why not add
it to the outer if block together?
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