Hi Benoit,
Thank you very much for your hints. That gives me some ideas of a few more things I can investigate. Cheers, =David > On Oct 29, 2019, at 12:58, Tellier Benoit <btell...@apache.org> wrote: > > Hello David, > > - 1. Does the `cassandra` DNS entry within the James container resolves > to Cassandra? (this can be achieved with links or network). > > - 2. A restarting Cassandra (with many data in the commitlog) might > reject clients. Monitor Cassandra logs to check if this happens. > > I also noticed you used an unoffical image for Cassandra. Could this be > a cause for your issue? Are you sure cassandra is well started after > your configuration modifications? > > Cheers, > > Benoit > > On 28/10/2019 13:07, David Leangen wrote: >> >> Hi! >> >> I am sure the problem is due to my inexperience with Docker and Cassandra, >> and even more so networking between multiple Docker containers… but I have >> tried everything I can think of and would like to ask for some help. 😅 >> >> I am getting this error: >> >> [root@e5cc3846b51c apache-james-3.3.0]# java >> -Dworking.directory=/opt/apache-james-3.3.0 -jar >> server/container/guice/cassandra-guice/target/james-server-cassandra-guice.jar >> 2019-10-28 05:51:54,981 WARN [main] - >> [org.apache.james.modules.mailbox.ResilientClusterProvider]- Error >> establishing Cassandra connection. Next retry scheduled in PT5S ms >> com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) >> tried for query failed (tried: /172.17.0.2:9042 >> (com.datastax.driver.core.exceptions.TransportException: [/172.17.0.2:9042] >> Cannot connect)) >> >> >> The error is shown when I try to run JAMES from within a Docker container. >> >> Cassandra is up and running, and ought to be available via the IP address >> 172.17.0.2, on port 9042. >> >> [root@james ~]# ip addr >> 1: lo: <SNIP> >> 2: eth0: <SNIP> >> 3: eth1: <SNIP> >> 4: docker0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state >> UP group default >> link/ether 02:42:76:5f:17:bb brd ff:ff:ff:ff:ff:ff >> inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0 >> valid_lft forever preferred_lft forever >> inet6 fe80::42:76ff:fe5f:17bb/64 scope link >> valid_lft forever preferred_lft forever >> 10: veth81426b0@if9: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc >> noqueue master docker0 state UP group default >> link/ether 1a:70:e2:f3:7e:70 brd ff:ff:ff:ff:ff:ff link-netnsid 0 >> inet6 fe80::1870:e2ff:fef3:7e70/64 scope link >> valid_lft forever preferred_lft forever >> 12: vethc13d660@if11: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc >> noqueue master docker0 state UP group default >> link/ether 5a:fd:2d:ad:df:12 brd ff:ff:ff:ff:ff:ff link-netnsid 1 >> inet6 fe80::58fd:2dff:fead:df12/64 scope link >> valid_lft forever preferred_lft forever >> >> The two virtual ethernet ports are for the james and cassandra containers. >> >> Here is the run command for cassandra: >> >> docker run \ >> -dit \ >> -v /home/cassandra/conf:/opt/cassandra/latest/conf \ >> -v /home/cassandra/data:/data \ >> -v /home/cassandra/commitlog:/commitlog \ >> -v /home/cassandra/saved_caches:/saved_caches \ >> -v /home/cassandra/hints:/hints \ >> -p 7000:7000 \ >> -p 7001:7001 \ >> -p 7199:7199 \ >> -p 9042:9042 \ >> -p 9160:9160 \ >> --ulimit memlock=-1:-1 \ >> --memory='1g' \ >> --name=cassandra \ >> dleangen/cassandra:3.11.4 >> >> >> Here is docker ps from the host: >> >> [root@james ~]# docker ps >> CONTAINER ID IMAGE COMMAND CREATED >> STATUS PORTS >> NAMES >> e5cc3846b51c dleangen/james:3.3.0 "/bin/bash" 7 >> minutes ago Up 7 minutes >> >> youthful_pascal >> 1fefe86df493 dleangen/cassandra:3.11.4 "cassandra -f" 9 >> minutes ago Up 9 minutes 0.0.0.0:7000-7001->7000-7001/tcp, >> 0.0.0.0:7199->7199/tcp, 0.0.0.0:9042->9042/tcp, 0.0.0.0:9160->9160/tcp >> cassandra >> >> Here is the /etc/hosts file in the Cassandra container: >> >> bash-4.2$ more /etc/hosts >> 127.0.0.1 localhost >> ::1 localhost ip6-localhost ip6-loopback >> fe00::0 ip6-localnet >> ff00::0 ip6-mcastprefix >> ff02::1 ip6-allnodes >> ff02::2 ip6-allrouters >> 172.17.0.2 1fefe86df493 >> >> >> Cassandra is up. I tested that it is indeed available from within the Docker >> container over 127.0.0.1. >> >> So how the heck do I get my james container to be able to connect to it?? >> >> (I plan to use Docker Compose later… right now I’m trying to just connect my >> containers directly.) >> >> >> Thank you in advance for your help!!! 😇 >> >> Cheers, >> =David >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: server-user-unsubscr...@james.apache.org > For additional commands, e-mail: server-user-h...@james.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: server-user-unsubscr...@james.apache.org For additional commands, e-mail: server-user-h...@james.apache.org
