Swallow exception from close call when there is an underlying IOException #333
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There have been numerous reports of users of the client library seeing IO exceptions bearing the message "insufficient data written" (googleapis/google-api-java-client#781 googleapis/google-api-java-client#782 googleapis/google-cloud-java#1018)
I believe these error messages are misleading, and are secondary effect of attempting to close the stream when the underlying IO operation was actually failing (see underlying close implementation)
Therefore I propose we handle the case when there has been an underlying IO exception error, we still attempt to close the stream but let the original IO exception propagate nonetheless.