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From "Charles Lamb (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HDFS-6733) Creating encryption zone results in NPE when KeyProvider is null
Date Tue, 22 Jul 2014 23:30:40 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6733?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Charles Lamb reassigned HDFS-6733:
----------------------------------

    Assignee: Charles Lamb

> Creating encryption zone results in NPE when KeyProvider is null
> ----------------------------------------------------------------
>
>                 Key: HDFS-6733
>                 URL: https://issues.apache.org/jira/browse/HDFS-6733
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: security
>    Affects Versions: fs-encryption (HADOOP-10150 and HDFS-6134)
>            Reporter: Stephen Chu
>            Assignee: Charles Lamb
>
> When users try to create an encryption zone on a system that is not configured with a
KeyProvider, they will run into a NullPointerException.
> For example:
> [hdfs@schu-enc2 ~]$ hdfs crypto -createZone -keyName abc123 -path /user/hdfs
> 2014-07-22 23:18:23,273 WARN  [main] crypto.CryptoCodec (CryptoCodec.java:getInstance(70))
- Crypto codec org.apache.hadoop.crypto.OpensslAesCtrCryptoCodec is not available.
> RemoteException: java.lang.NullPointerException
> This error happens in FSNamesystem.createEncryptionZone(FSNamesystem.java:8456):
> {code}
>     try {
>       if (keyName == null || keyName.isEmpty()) {
>         keyName = UUID.randomUUID().toString();
>         createNewKey(keyName, src);
>         createdKey = true;
>       } else {
>         KeyVersion keyVersion = provider.getCurrentKey(keyName);
>         if (keyVersion == null) {
> {code}
> provider can be null.
> An improvement would be to make the error message more specific/say that KeyProvider
was not found.



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