I am using oak in a java ee container (tomcat). Each session is created per thread (i.e. per HTTP request). Is there anything else I can provide to track down the issue?
On Tue, Aug 1, 2017 at 7:59 PM, Mostafa Mahdieh <[email protected]> wrote: > Thanks. I'm using MongoDB, the DB is right on the machine, which seems > reliable enough (and I see no database connection exceptions). File system > seems like a good option for me, however the transparency and visibility of > using MongoDB were the reasons of using it. It seems that the database > connection must not be the issue here. > > On Tue, Aug 1, 2017 at 6:51 PM, Julian Reschke <[email protected]> > wrote: > >> On 2017-08-01 15:45, Mostafa Mahdieh wrote: >> >>> Hi, >>> >>> I'm using jackrabbit oak as the content repository of a document >>> management >>> system product. Currently there is no need to scale out, therefore I'm >>> using jackrabbit oak in a single node environment. However, I'm >>> experiencing issues related to clustering and lease time, such as the >>> following exception which is appearing all over my tomcat logs: >>> >>> WARN: Background operation failed: >>> org.apache.jackrabbit.oak.plugins.document.DocumentStoreException: This >>> oak >>> instance failed to update the lease in time and can therefore no longer >>> access this DocumentNodeStore. >>> >>> After some research, It seems that there is no way to use jackrabbit oak >>> forcing it to use a single node and not having any concerns related to >>> clustering. >>> ... >>> >> >> Well, a single node is just a very small cluster :-). >> >> If you see the message above, apparently your connection to the >> persistence (is it Mongo or RDB?) isn't reliable, or the DB itself is >> flaky. The log files should show you more. >> >> That said, you can use Oak with filesytem-based persistence as well, in >> which case this class of issues would go away (but then you'd need to >> migrate the persistence if later you decide you need to scale to a real >> cluster) >> >> Best regards, Julian >> >> > > > -- > Mostafa Mahdieh > -- Mostafa Mahdieh
