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https://issues.apache.org/jira/browse/FTPSERVER-461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15561700#comment-15561700
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Martin Wunderlich commented on FTPSERVER-461:
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OK, I've had a closer look at the code. AFAICS, the inputClosed() method in the
IoHandler interface was introduced with commit
d3f53778d6d79a2611c4492364e3d9992e1b4312 in the MINA project. The same method
was added to the IoHandlerAdapter with the same commit. The solution then would
be to extend IoHandlerAdapter instead of implementing IoHandler, as reported by
Ulrich.
However, the current version of IoHandler does not have the inputClosed()
method anymore:
https://git-wip-us.apache.org/repos/asf?p=mina.git;a=blob;f=core/src/main/java/org/apache/mina/api/IoHandler.java;h=1c214fd55313a89ebbccb132b216c4618fa14030;hb=HEAD
Wouldn't this mean that this issue should not occur anymore with the latest
versions? Strangely enough, I am not to identify the commit where this method
was removed from the interface.
> 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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