We might be able to debug this better if you enabled the debugging interface in the javascript view by adding these lines at the end of your knime.ini file:
-Dchromium.debug=true
-Dchromium.remote_debugging_port=8888
This file lives in the same directory as your knime.exe installation on windows.
It seems like this issue is happening due to a timeout (which makes sense due to the high volume of data). In that same knime.ini file you could try changing the following argument to -1 to remove a default timeout. -Dsun.net.client.defaultReadTimeout=