Karaf throws SocketTimeoutException and exits after 49 days

When a Karaf instance is launched, it suddenly exited after about 50 days.

This issue is very similar to that of Apache Tomcat

https://issues.apache.org/bugzilla/show_bug.cgi?id=56684

In my case, I launched an instance at 7/22 10:35, but it stopped at 9/10 3:40. Here is the log when I encountered this issue:

2014-09-10 03:40:05,800 INFO NioProcessor-2 ServerSession 24 - org.apache.sshd.core - 0.8.0 Session karaf@/127.0.0.1:41720 closed
2014-09-10 03:40:12,326 WARN RMI TCP Accept-0 tcp - - RMI TCP Accept-0: accept loop for ServerSocket[addr=0.0.0.0/0.0.0.0,localport=47123] throws
java.net.SocketTimeoutException: Accept timed out
at java.net.PlainSocketImpl.socketAccept(Native Method)[:1.7.0_55]
at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:398)[:1.7.0_55]
at java.net.ServerSocket.implAccept(ServerSocket.java:530)[:1.7.0_55]
at java.net.ServerSocket.accept(ServerSocket.java:498)[:1.7.0_55]
at sun.management.jmxremote.LocalRMIServerSocketFactory$1.accept(LocalRMIServerSocketFactory.java:52)[:1.7.0_55]
at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:388)[:1.7.0_55]
at sun.rmi.transport.tcp.TCPTransport$AcceptLoop.run(TCPTransport.java:360)[:1.7.0_55]
at java.lang.Thread.run(Thread.java:744)[:1.7.0_55]
2014-09-10 03:40:14,806 ERROR Thread-3 Main - - Karaf shutdown socket: accept:
java.net.SocketTimeoutException: Accept timed out
at java.net.PlainSocketImpl.socketAccept(Native Method)[:1.7.0_55]
at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:398)[:1.7.0_55]
at java.net.ServerSocket.implAccept(ServerSocket.java:530)[:1.7.0_55]
at java.net.ServerSocket.accept(ServerSocket.java:498)[:1.7.0_55]
at org.apache.karaf.main.Main$ShutdownSocketThread.run(Main.java:1430)[karaf.jar:2.2.10]

Although its version is 2.2.10, I think maintained Karaf has this issues too.