你没看错，MINA 又复活了，上一个版本 2.0.4 是一年多前发布的。今天 MINA 发布了最新维护版本 2.0.5，该版本主要是 bug 修复。
主要改进记录有：
Bug
* DIRMINA-772 - First sent message is not garbage collected per session
* DIRMINA-817 - Packaging is buggy
* DIRMINA-829 - AbstractIoBuffer.getSlice(int index, int length) has incorrect behavior
* DIRMINA-835 - IoHandler's sessionCreated and sessionOpened method can receive notifications when MINA's internal socket connection built
* DIRMINA-840 - Logic Error in ByteArrayPool implementation
* DIRMINA-842 - Crash on Android
* DIRMINA-846 - AprSocketAcceptor doesn't work and throws IOExceptions many times.
* DIRMINA-871 - DefaultIoSessionAttributeMap returns the defaultValue parameter if no entry is found for the specified key, but does not add that new key/value pair to the map as specified in the javadocs.
* DIRMINA-880 - Implementation of SslFilter#isCloseNotify() is incorrect
* DIRMINA-886 - isBrokenConnection
* DIRMINA-887 - mutil bind localAddress
* DIRMINA-894 - java.io.IOException: Broken Pipe infinite loop
* DIRMINA-897 - atomicity violation bugs because of misusing concurrent collections
* DIRMINA-898 - A wakeup() is issued in a thread before the target select() is executed.
* DIRMINA-900 - One MINA 2.0.4 test is failing when run with a 1.7 jdk
Improvement
* DIRMINA-645 - SslFilter should start initiating handshake from sesionCreated() rather than from onPostAdd()
* DIRMINA-847 - Entry and Exit action support for Mina state machine
* DIRMINA-867 - Needs meaningful error message when AbstractIoSession.write called with null
* DIRMINA-888 - Add the ability to get the write queue size like: session.getWriterRequestQueue().size();
Task
* DIRMINA-681 - Strange CPU peak occuring at fixed interval when several thousand connections active
