Well, this is exactly the case. The service is deployed from node A, the proxy is created on node B, and "service not found" exception gets thrown to a user anyway. Perhaps, the retry happens too fast?
Created a ticket [1]. [1] https://issues.apache.org/jira/browse/IGNITE-12490 пн, 23 дек. 2019 г. в 22:08, Vyacheslav Daradur <daradu...@gmail.com>: > Hi, Alexey > > Please attach a reproducer to the ticket. > > As far as I remember we have the following behaviour for the proxies: > > Let's assume you have deployed service from node A, then: > * if you invoke service locally from node A - it is guaranteed to > service to be deployed and ready to work > * if you take a proxy from node A to remote node B right after deploy > - there is might be a race between disco-spi (a message which releases > deployed service) and comm-spi (remote call works via Compute over > comm-spi), but it shouldn't affect end-users because the failed > request will be retried in this case > > > > > On Mon, Dec 23, 2019 at 6:55 PM Alexey Goncharuk > <alexey.goncha...@gmail.com> wrote: > > > > Nikolay, > > > > Yes, I've rechecked, the new service processor is being used. I'll file a > > bug shortly. > > > > пн, 23 дек. 2019 г. в 17:33, Николай Ижиков <nizhi...@apache.org>: > > > > > Alexey, are you sure, you are testing new service framework? > > > > > > Is yes - you definitely should file a bug. > > > > > > > 23 дек. 2019 г., в 17:02, Alexey Goncharuk < > alexey.goncha...@gmail.com> > > > написал(а): > > > > > > > > Igniters, > > > > > > > > I have a question based on one of my recent tests debugging. > > > > > > > > The test is related to Ignite services. I noticed that sometimes a > proxy > > > > invocation of a newly deployed service fails because the service > cannot > > > be > > > > found. I managed to reduce the test to a simple "start two nodes, > deploy > > > a > > > > service, create a proxy, invoke the proxy" scenario. The proxy > invocation > > > > fails in about ~80% of runs. > > > > > > > > As far as I remember, the new discovery-based service deployment was > > > > supposed to be synchronous, so not only non-proxy service instances > > > should > > > > work, but the proxies as well. Was my understanding correct? Should I > > > file > > > > a bug for the observed behavior? > > > > > > > > --AG > > > > > > > > > > -- > Best Regards, Vyacheslav D. >
