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https://issues.apache.org/jira/browse/GUACAMOLE-1405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17403992#comment-17403992
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Mike Jumper commented on GUACAMOLE-1405:
----------------------------------------

This sounds like something unrelated to Guacamole, and more likely related to 
the remote desktop. Remote desktop servers typically disable remote key repeat, 
but if this is not done, the behavior described is exactly what will happen and 
there's nothing Guacamole can do to prevent it. Minor network delays in 
receiving key events on the remote desktop side would result in the remote 
desktop or OS interpreting that delay as if the user is holding down the key.

For strictly Guacamole, assuming the remote desktop is not behaving oddly as 
described above, key repeat is strictly local and cannot behave in this way 
unless the user is truly holding down those keys. If there were such an issue, 
it'd be pretty widely noted: 
https://guacamole.apache.org/faq/#probably-not-a-bug

> Guacamole sometimes repeats pressed keys, which is causing problem to user. 
> how to avoid this problem?
> ------------------------------------------------------------------------------------------------------
>
>                 Key: GUACAMOLE-1405
>                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-1405
>             Project: Guacamole
>          Issue Type: Bug
>          Components: guacamole, guacamole-client, guacamole-common-js, 
> guacamole-server
>    Affects Versions: 1.1.0
>            Reporter: Mohamed Ali
>            Priority: Blocker
>
> Sometimes, after pressing a key, the Guacamole will produce/repeats the same 
> character many times!, which is causing problem to user. This does not happen 
> every time - only sometimes it occurs.  
> For e.g. If the user types  this below string:
> {color:#0747a6}*'This is new page'* {color}
> It is being shown to user as {color:#de350b}*'This is new       page'*{color} 
> or  sometimes showing up as 
> {color:#de350b}*'This is new pageeeeeeeeeeeeeeeeeeeeeeeee'*{color}



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