Alexander B created DIRMINA-1185:
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Summary: Question about Unbinding NioAcceptor
Key: DIRMINA-1185
URL: https://issues.apache.org/jira/browse/DIRMINA-1185
Project: MINA
Issue Type: Bug
Components: Core
Affects Versions: 2.1.8
Reporter: Alexander B
Hi there,
We have an application (Tomcat7 , Java8), which uses Mina 2.1.8. The intention
is to open a port (in this example 2004) and close this connection object in
case nobody will be connected. Then after a moment a new binding should be
performed on this object.
Until today this Tomcat ran on HTTP. I have switched to HTTPS and actually I
did not touch any code, which includes/extends any Mina-classes.
In the first case (Tomcat running on HTTP), there is an instance of
NioSocketAcceptor, which will be `unbind()`, if there is no connection after a
specific time. Then a reconnect (new bind on port 2004) will be performed and
the same port will be opened again. This works fine.
In the second case (Tomcat running on HTTPS with the following changes: I
created a keystore, integrated it into the project and adapted tomcat's
server.xml) after a specific time I called unbind() on the
NioSocketAccepter-object and then a reconnect we will performed again. In this
moment, the new binding crashes with the message :
```
java.io.IOException: Error while binding on 0.0.0.0/0.0.0.0:2004
at
org.apache.mina.transport.socket.nio.NioSocketAcceptor.open(NioSocketAcceptor.java:301)
at
org.apache.mina.transport.socket.nio.NioSocketAcceptor.open(NioSocketAcceptor.java:52)
at
org.apache.mina.core.polling.AbstractPollingIoAcceptor$Acceptor.registerHandles(AbstractPollingIoAcceptor.java:621)
at
org.apache.mina.core.polling.AbstractPollingIoAcceptor$Acceptor.run(AbstractPollingIoAcceptor.java:518)
at
org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.BindException: Address already in use: bind
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:461)
at sun.nio.ch.Net.bind(Net.java:453)
at
sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:222)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:85)
at
org.apache.mina.transport.socket.nio.NioSocketAcceptor.open(NioSocketAcceptor.java:296)
... 7 common frames omitted
```
Do you know, if there are any issues regarding the unbinding process in Mina in
combination with a running Tomcat on HTTPS? Or do I have to change any
implementation including mina classes?
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