IoSession.write not thread-safe? Loosing messages under heavy multi-threaded
write on same session.
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Key: DIRMINA-653
URL: https://issues.apache.org/jira/browse/DIRMINA-653
Project: MINA
Issue Type: Bug
Components: Core, Filter
Affects Versions: 2.0.0-M4
Environment: Windows Vista 64-bit
Reporter: Mauritz Lovgren
I am writing a stress-test that tests multi-thread safetyness of our stateless
encoder / decoder under heavy load and I am observing that messages are
silently lost during session.write(Object), (the lost messages does not seem to
reach the underlying socket buffer at all).
I am using one encoder / decoder that is stateless. No executor filter, only
the filter codec and a basic io handler.
Putting a synchronized around the session.write makes the problem go away;
synchronized (session)
{
future = session.write(message);
}
Do I really have to synchronize on the session to solve this issue?
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