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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5731) IPC call can raise security exceptions when the remote node is running under a security manager
Date Thu, 23 Apr 2009 14:40:30 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12701955#action_12701955
] 

Steve Loughran commented on HADOOP-5731:
----------------------------------------

Incidentally, before anyone says "add that permission", this is the permissions file that
I believe I'm using

{code}
grant {
  permission java.security.AllPermission;
};

// Standard extensions get all permissions by default
grant codeBase "file:${java.home}/lib/ext/*" {
	permission java.security.AllPermission;
};
{code}

That is: all rights should have been granted. 

People who aren't running hadoop services under a security manager won't encounter this problem,
so I'm marking it as minor.


> IPC call can raise security exceptions when the remote node is running under a security
manager
> -----------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-5731
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5731
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: ipc
>    Affects Versions: 0.21.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
>
> I'm getting a security exception (java.lang.reflect.ReflectPermission suppressAccessChecks)
in RPC.Server.call(), when calling a datanode brought up under a security manager, in method.setAccessible(true)

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