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From "Goldstein Lyor (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (SSHD-908) Leak of process handles caused by local port forwarding connections
Date Mon, 18 Mar 2019 18:42:00 GMT

    [ https://issues.apache.org/jira/browse/SSHD-908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16795299#comment-16795299
] 

Goldstein Lyor edited comment on SSHD-908 at 3/18/19 6:41 PM:
--------------------------------------------------------------

{quote}
Did you see a similar problem before and if so can you give us a solution ?
{quote}
Sorry, does not ring a bell...

{quote}
Can you help us troubleshoot this problem and in that case what kind of info you need ?
{quote}
I will try and help (within the limited amount of time I have at my disposal)  - however the
issue seems a bit generic - what "handles" are actually leaking ? Sockets ? Threads ? Others
?

{quote}
Our client is configured to use NIO2 builtin service provider, NIO2 Mina service provider
and NIO2 Netty service provider
{quote}
I  hope this means that you are using *only one* of them at any single time... they are not
meant to run together...


was (Author: lgoldstein):
{quote}
Did you see a similar problem before and if so can you give us a solution ?
{quote}
Sorry, does not ring a bell...

{quote}
Can you help us troubleshoot this problem and in that case what kind of info you need ?
{quote}
I will try and help (within the limited amount of time I have at my disposal)  - however the
issue seems a bit generic - what "handles" are actually leaking ? Sockets ? Threads ? Others
?

{quote}
Our client is configured to use NIO2 builtin service provider, NIO2 Mina service provider
and NIO2 Netty service provider
{quote}
I  hope this means that you can *one* of them at any single time... they are not meant to
run together...

> Leak of process handles caused by local port forwarding connections
> -------------------------------------------------------------------
>
>                 Key: SSHD-908
>                 URL: https://issues.apache.org/jira/browse/SSHD-908
>             Project: MINA SSHD
>          Issue Type: Bug
>    Affects Versions: 2.1.0
>            Reporter: Roberto Deandrea
>            Priority: Major
>
> Hi,
> We have build an Apache SSHD Client (based on Apache SSHD 2.1.0) to forward local sockets
to target servers.
> Our client is configured to use NIO2 builtin service provider, NIO2 Mina service provider
and NIO2 Netty service provider.
> We have detected a leak of handles monitoring the java process with ALL above NIO2 service
provider.
> When the limit of handles per process is reached, the java process become unresponsive.
>  
> We suspect that the problem could be into Apache SSHD Client code.
> The problem is reproducible in our lab environment.
>  
> Can you help us troubleshoot this problem and in that case what kind of info you need
?
> Did you see a similar problem before and if so, can you give us a solution ?
>  
> Kind Regards
> Roberto Deandrea
>  



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