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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7075) hadoop-fuse-dfs fails because it cannot find JavaKeyStoreProvider$Factory
Date Tue, 16 Sep 2014 23:28:35 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14136489#comment-14136489
] 

Colin Patrick McCabe commented on HDFS-7075:
--------------------------------------------

I think this should be ok since for Hadoop, the classloader we use for {{KeyProviderFactory}}
is also the classloader we want to use for loading the {{KeyProvider}} objects.  If we ever
decide to use multiple classloaders, we can revisit this.

By the way, I found that when using the JNI invocation API, our thread context classloader
is null, and our system classloader appears to have the exploded classpaths we set in the
{{CLASSPATH}} environment variable when launching the program.  I found some references indicating
that the system classloader is normally used when JNI calls {{ServiceLoader}}, but for some
reason, that doesn't seem to be the case here.

> hadoop-fuse-dfs fails because it cannot find JavaKeyStoreProvider$Factory
> -------------------------------------------------------------------------
>
>                 Key: HDFS-7075
>                 URL: https://issues.apache.org/jira/browse/HDFS-7075
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.6.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HDFS-7075.001.patch
>
>
> hadoop-fuse-dfs fails complaining with:
> {code}
> java.util.ServiceConfigurationError: org.apache.hadoop.crypto.key.KeyProviderFactory:
Provider org.apache.hadoop.crypto.key.JavaKeyStoreProvider$Factory not found
> {code}
> Here is an example of the hadoop-fuse-dfs debug output.
> {code}
> 14/09/04 13:49:04 WARN crypto.CryptoCodec: Crypto codec org.apache.hadoop.crypto.OpensslAesCtrCryptoCodec
is not available.
> hdfsBuilderConnect(forceNewInstance=1, nn=hdfs://hdfs-cdh5-secure-1.vpc.cloudera.com:8020,
port=0, kerbTicketCachePath=/tmp/krb5cc_0, userName=root) error:
> java.util.ServiceConfigurationError: org.apache.hadoop.crypto.key.KeyProviderFactory:
Provider org.apache.hadoop.crypto.key.JavaKeyStoreProvider$Factory not found
> 	at java.util.ServiceLoader.fail(ServiceLoader.java:231)
> 	at java.util.ServiceLoader.access$300(ServiceLoader.java:181)
> 	at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:365)
> {code}



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