tomaswolf commented on issue #922:
URL: https://github.com/apache/mina-sshd/issues/922#issuecomment-5939312875

   I don't know why this happens, and I have no way to analyze this since I 
don't know your application code. There are two things that you could maybe try:
   
   * Use the latest Apache MINA SSHD 2.20.0.
   * Increase CoreModuleProperties.WAIT_FOR_SPACE_TIMEOUT (set a higher value 
for it on the session).
   
   Otherwise: run the client in debug mode with a breakpoint in 
RemoteWindow.waitForCondition() where that exception is raised. Set the 
breakpoint to suspend the whole VM. Then debug. If you can, also examine server 
side logs. Perhaps the server is not sending window adjustments anymore for 
some reason? If it does send them, why are they not read in the client? Is 
there some deadlock? Or is writing the data somehow starving reading and 
handling the server's messages?
   
   There was a similar report before: #764, but the symptoms were a bit 
different.


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