[HDFS-7931] DistributedFIleSystem should not look for keyProvider in cache if Encryption is disabled

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.7.0
• Fix Version/s: 2.8.0, 2.7.1, 3.0.0-alpha1
• Component/s: hdfs-client
• Assignee: Arun Suresh Assign to me
• Reporter: Arun Suresh
• Created: 13/Mar/15 19:47
• Updated: 06/Jan/17 01:50
• Resolved: 10/Apr/15 18:45

Description

The addDelegationTokens method in DistributedFileSystem calls DFSClient#getKeyProvider() which attempts to get a provider from the KeyProvderCache but since the required key, dfs.encryption.key.provider.uri is not present (due to encryption being dissabled), it throws an exception.

2015-03-11 23:55:47,849 [JobControl] ER ROR org.apache.hadoop.hdfs.KeyProviderCache - Could not find uri with key [dfs.encryption.key.provider.uri] to create a keyProvider !!

Issue Links

• breaks: HDFS-8451 DFSClient probe for encryption testing interprets empty URI property for "enabled"
• relates to: AMBARI-14138 Upgrade Ambari Views to Hadoop 2.7.1 jar which has the fix for HDFS-7931