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https://issues.apache.org/jira/browse/FTPSERVER-461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14218671#comment-14218671
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Emmanuel Lecharny commented on FTPSERVER-461:
---------------------------------------------
Not sure that is an error.
The way it's implemented is that the {{FtpHandlerAdapter}} class does not
implement the {{inputClose()}} method. As the {{FtpHandlerAdapter}} class
inherits from the {{IoHandlerAdapter}} abstract class, the {{inputClose()}}
method from this super class is called :
{code}
public void inputClosed(IoSession session) throws Exception {
session.close(true);
}
{code}
Now, that close the FTP session.
OTOH, I don't see where the exception is coming from...
Do you have any more log ?
> FtpServer implement inputClosed() or extend IoHandlerAdapter for MINA 2.0.8
> or higher
> -------------------------------------------------------------------------------------
>
> Key: FTPSERVER-461
> URL: https://issues.apache.org/jira/browse/FTPSERVER-461
> Project: FtpServer
> Issue Type: Improvement
> Components: Core
> Affects Versions: 1.0.6
> Reporter: Ulrich Kohlhase
>
> According to the Apache MINA release notes for v2.0.8:
> "There is one change that might break the build for those switching from MINA
> 2.0.7 to MINA 2.0.8 : the IoHandler interface now has a method called
> inputClosed(), so either you have to implement this method if you are
> directly implementing the IoHandler interface, or better, you can extends
> IoHandlerAdapter, which implements a placeholder for this method."
> ERROR org.apache.ftpserver.impl.DefaultFtpHandler - Exception caught,
> closing session
> WARN org.apache.ftpserver.listener.nio.FtpLoggingFilter - EXCEPTION :
> AbstractMethodError:
> org.apache.ftpserver.listener.nio.FtpHandlerAdapter.inputClosed(Lorg/apache/mina/core/session/IoSession;)V
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.inputClosed(DefaultIoFilterChain.java:834)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextInputClosed(DefaultIoFilterChain.java:611)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:48)
> at
> org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.inputClosed(DefaultIoFilterChain.java:938)
> at
> org.apache.mina.core.filterchain.IoFilterAdapter.inputClosed(IoFilterAdapter.java:137)
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