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Date: Tue, 27 Sep 2011 09:58:11 +0000 (UTC)
From: "Steve Loughran (Commented) (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HADOOP-5731) IPC call can raise security
 exceptions when the remote node is running under a security manager
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    [ https://issues.apache.org/jira/browse/HADOOP-5731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13115373#comment-13115373 ] 

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

Reviewing this, the risk is if a client running under a security manager tries to talk over IPC then it will fail. There's an obvious test for this to see if it's a real issue. I'm not sure it would surface in a webapp, which is the place that it would matter the most. they tend to play classloader games more than anything else
                
> 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 Common
>          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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