Not receiving heartbeats with StreamingSubscriptionConnection #497
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dconnelly
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Feb 15, 2016
…equest basis. This allows the GetStreamingEvents call to specify a longer timeout so connection is not dropped before lifetime minutes has been reached. Relying on heartbeats to keep the connection alive does not seem to work for Office365.
dconnelly
added a commit
to slack-migrations/ews-java-api
that referenced
this issue
Feb 15, 2016
…equest basis. This allows the GetStreamingEvents call to specify a longer timeout so connection is not dropped before lifetime minutes has been reached. Relying on heartbeats to keep the connection alive does not seem to work for Office365.
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The code seems to expect a heartbeat response every 45s but I'm not seeing any, at least while connected to Office365. This causes the underlying http connection to time out before lifetime minutes is reached, unless I've made sure that ExchangeService has a much larger timeout than would be applicable to other requests.
A simple fix would be to set the http request timeout to lifetime minutes just for the hanging GetStreamingEvents call.
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