[jira] Created: (FTPSERVER-116) OutOfMemoryError when clients disconnect without issuing a QUIT command.

[Magnus Lind (JIRA)]

OutOfMemoryError when clients disconnect without issuing a QUIT command.
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                 Key: FTPSERVER-116
                 URL: https://issues.apache.org/jira/browse/FTPSERVER-116
             Project: FtpServer
          Issue Type: Bug
          Components: Core
            Reporter: Magnus Lind


I have done some memory profiling regarding this problem:
The class org.apache.ftpserver.listener.ConnectionManagerImpl stores all 
connections it ceates in its conList member variable.
Normally the connection is removed from conList when it is closed. However, 
this is only the case if the client issues a QUIT command before closing the 
connection.
Connections for clients that don't issue a QUIT command before disconnecting 
are left in the conList variable and never removed.
As far as I understand, It should be ok to disconnect without issuing a QUIT 
command.
When enough connections are left in the conList variable the jvm runs out of 
memory.


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