Hey Amy, just uninstalled, cleared cache and data, and reinstalled. Still does not appear to be working. I had my co-worker send me a series of direct messages, and I received 2 notifications. Most of them failed
Snip from the log below
{"level":"error","ts":1529523078.9775481,"caller":"app/notification.go:767","msg":"Device push reported as error for UserId=5parki9q3tnn3jbdfhn86g56qo SessionId=b3f8b4681irqimku15ctnfmwky message=Post http://push-test.mattermost.com/api/v1/send_push: dial tcp: i/o timeout","user_id":"5parki9q3tnn3jbdfhn86g56qo"}
{"level":"error","ts":1529523078.9781137,"caller":"app/notification.go:767","msg":"Device push reported as error for UserId=5parki9q3tnn3jbdfhn86g56qo SessionId=dk61qy7k1iydi8r3pwg6mhh14r message=Post http://push-test.mattermost.com/api/v1/send_push: dial tcp: i/o timeout","user_id":"5parki9q3tnn3jbdfhn86g56qo"}
{"level":"error","ts":1529523088.3866422,"caller":"api4/context.go:222","msg":"/api/v4/files/undefined/thumbnail:Context code=400 rid=kmr1j1se17frmxzcreencu6ncr uid=5parki9q3tnn3jbdfhn86g56qo ip=72.45.241.242 Invalid or missing file_id parameter in request URL [details: ]","user_id":"5parki9q3tnn3jbdfhn86g56qo"}
{"level":"error","ts":1529523108.4947615,"caller":"app/notification.go:767","msg":"Device push reported as error for UserId=ir4j5qkf9fdrppetznpiwzwtga SessionId=85zcy6rr3pg6dx9wxhwjdzm9ch message=Post http://push-test.mattermost.com/api/v1/send_push: dial tcp: i/o timeout","user_id":"ir4j5qkf9fdrppetznpiwzwtga"}
{"level":"error","ts":1529523125.623908,"caller":"app/notification.go:767","msg":"Device push reported as error for UserId=5parki9q3tnn3jbdfhn86g56qo SessionId=dk61qy7k1iydi8r3pwg6mhh14r message=Post http://push-test.mattermost.com/api/v1/send_push: dial tcp: i/o timeout","user_id":"5parki9q3tnn3jbdfhn86g56qo"}
{"level":"error","ts":1529523125.6244533,"caller":"app/notification.go:767","msg":"Device push reported as error for UserId=5parki9q3tnn3jbdfhn86g56qo SessionId=b3f8b4681irqimku15ctnfmwky message=Post http://push-test.mattermost.com/api/v1/send_push: dial tcp: i/o timeout","user_id":"5parki9q3tnn3jbdfhn86g56qo"}
{"level":"error","ts":1529523126.8021681,"caller":"app/notification.go:767","msg":"Device push reported as error for UserId=5parki9q3tnn3jbdfhn86g56qo SessionId=b3f8b4681irqimku15ctnfmwky message=Post http://push-test.mattermost.com/api/v1/send_push: dial tcp: i/o timeout","user_id":"5parki9q3tnn3jbdfhn86g56qo"}
{"level":"error","ts":1529523126.8022878,"caller":"app/notification.go:767","msg":"Device push reported as error for UserId=5parki9q3tnn3jbdfhn86g56qo SessionId=dk61qy7k1iydi8r3pwg6mhh14r message=Post http://push-test.mattermost.com/api/v1/send_push: dial tcp: i/o timeout","user_id":"5parki9q3tnn3jbdfhn86g56qo"}
{"level":"info","ts":1529523127.7319462,"caller":"app/notification.go:775","msg":"Device was reported as removed for UserId=5parki9q3tnn3jbdfhn86g56qo SessionId=dk61qy7k1iydi8r3pwg6mhh14r removing push for this session","user_id":"5parki9q3tnn3jbdfhn86g56qo"}
{"level":"info","ts":1529523127.73252,"caller":"app/notification.go:775","msg":"Device was reported as removed for UserId=5parki9q3tnn3jbdfhn86g56qo SessionId=dk61qy7k1iydi8r3pwg6mhh14r removing push for this session","user_id":"5parki9q3tnn3jbdfhn86g56qo"}
{"level":"info","ts":1529523127.7350724,"caller":"app/notification.go:775","msg":"Device was reported as removed for UserId=5parki9q3tnn3jbdfhn86g56qo SessionId=dk61qy7k1iydi8r3pwg6mhh14r removing push for this session","user_id":"5parki9q3tnn3jbdfhn86g56qo"}
{"level":"error","ts":1529523131.0529444,"caller":"app/notification.go:767","msg":"Device push reported as error for UserId=me3f6fxo17gn8kaeu3t7du9f5w SessionId=7kh3pbku8prizpgkkyna516ysr message=Post http://push-test.mattermost.com/api/v1/send_push: dial tcp: i/o timeout","user_id":"me3f6fxo17gn8kaeu3t7du9f5w"}
{"level":"error","ts":1529523143.782067,"caller":"app/notification.go:767","msg":"Device push reported as error for UserId=5parki9q3tnn3jbdfhn86g56qo SessionId=b3f8b4681irqimku15ctnfmwky message=Post http://push-test.mattermost.com/api/v1/send_push: dial tcp: i/o timeout","user_id":"5parki9q3tnn3jbdfhn86g56qo"}
{"level":"error","ts":1529523160.0853095,"caller":"app/notification.go:767","msg":"Device push reported as error for UserId=5parki9q3tnn3jbdfhn86g56qo SessionId=b3f8b4681irqimku15ctnfmwky message=Post http://push-test.mattermost.com/api/v1/send_push: dial tcp: i/o timeout","user_id":"5parki9q3tnn3jbdfhn86g56qo"}