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https://issues.apache.org/jira/browse/HDFS-9732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15126760#comment-15126760
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Steve Loughran commented on HDFS-9732:
--------------------------------------
Code in the HDFS subclass
{code}
@Override
public String toString() {
return getKind() + " token " + getSequenceNumber()
+ " for " + getUser().getShortUserName() + " with renewer " +
getRenewer();
}
{code}
compared to that in superclass
{code}
buffer
.append("owner=" + owner + ", renewer=" + renewer + ", realUser="
+ realUser + ", issueDate=" + issueDate + ", maxDate=" + maxDate
+ ", sequenceNumber=" + sequenceNumber + ", masterKeyId="
+ masterKeyId);
{code}
The code in {{AbstractDelegationTokenIdentifier}} is therefore a proper
superclass of what the HDFS subclass prints. The best and simplest way to
improve the diagnostics here is to remove the subclass's {{toString()}} method
entirely
> DelegationTokenIdentifier.toString() to include superclass .toString() data
> ---------------------------------------------------------------------------
>
> Key: HDFS-9732
> URL: https://issues.apache.org/jira/browse/HDFS-9732
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 2.7.2
> Reporter: Steve Loughran
> Original Estimate: 0.5h
> Remaining Estimate: 0.5h
>
> HDFS {{DelegationTokenIdentifier.toString()}} adds some diagnostics info,
> owner, sequence number. But its superclass,
> {{AbstractDelegationTokenIdentifier}} contains a lot more information,
> including token issue and expiry times.
> Because {{DelegationTokenIdentifier.toString()}} doesn't include this data,
> information that is potentially useful for kerberos diagnostics is lost.
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