Hello Cheng-Hsiung, there was an issue earlier that fits your description and has since been resolved. It affected the deployment of updates to existing versions of an application, but not the deployment of entirely new versions.
Are you still experiencing this issue? If that’s the case I encourage you to make use of our Issue Trackers <https://cloud.google.com/support/docs/issue-trackers> to report your issue with as much detail as possible and to post the link to your issue here so other members of the group experiencing this issue can star it. On Friday, June 2, 2017 at 12:04:23 AM UTC-4, Cheng-Hsiung Lee wrote: > > Last night, I deployed my project by eclipse, I got this problem "Unable > to update app: Error posting to URL:https:// ......" *409 Conflict No > transaction is in progress. * > I am very confused. Because before everything is OK! > > Have anyone got this problem! I don't know how to solve this problem? > please... > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/google-appengine. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/6bee77ca-660b-4b0e-b7fb-2f951a2d9383%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
