Eugen Hartmann created GUACAMOLE-2228:
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Summary: Remote session freezes and disconnects when pausing file
download
Key: GUACAMOLE-2228
URL: https://issues.apache.org/jira/browse/GUACAMOLE-2228
Project: Guacamole
Issue Type: Bug
Components: guacamole-client
Affects Versions: 1.6.0
Reporter: Eugen Hartmann
Attachments: file-download-pause-disconnection.png
When you start a file download, then click the Pause button in the browser file
download list, the connection freezes, then in about 20 seconds the session
disconnects entirely. The reproduction may vary depending on your actions
during the freeze.
The issue occurs because file blobs are written sequentially in a blocking
manner through the *OutputStreamInterceptingFilter* during a file download.
When the download is paused, the blob write operation blocks, preventing the
other instructions from being processed. As a result, expected instructions are
not received in a timely manner, causing the connection to freeze, and then
disconnect.
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