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https://issues.apache.org/jira/browse/SSHD-332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14056203#comment-14056203
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Gaël Lalire commented on SSHD-332:
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I check your code and an AsynchronousChannelGroup is used.
The associated ExecutorService is a fixed thread pool and should have normal
permissions.
Maybe JVM issue.
> Nio2 & security
> ---------------
>
> Key: SSHD-332
> URL: https://issues.apache.org/jira/browse/SSHD-332
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 0.11.0
> Environment: Oracle Java 8
> Reporter: Gaël Lalire
> Assignee: Guillaume Nodet
> Fix For: 0.12.0
>
> Attachments: securesshd-0.0.1-SNAPSHOT-jar-with-dependencies.jar,
> securesshd.zip
>
> Original Estimate: 96h
> Remaining Estimate: 96h
>
> I don't know if it is a JVM bug or normal behavior but a ProtectionDomain
> with no permission is associated with completionHandler thread by
> sun.misc.InnocuousThread class.
> As a result if a security manager is set all code in completionHandler has no
> permission (event if policy grants all permission).
> If the behavior of JVM is correct then you should add
> AccessController.doPrivileged() when entering completionHandler.
> You can also check if a SecurityManager is set and run without Nio2 as a
> quick fix.
>
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