I mean Christopher. Thanks again.
On Fri, Dec 9, 2022 at 9:01 AM Vincent Russell <vincent.russ...@gmail.com> wrote: > Thank you Chris. > > Will will upgrade to Accumulo 2.1 and ZooKeeper 3.7 or later as soon as > possible. > > On Thu, Dec 8, 2022 at 8:44 PM Christopher <ctubb...@apache.org> wrote: > >> Hi Vincent, >> >> Version 2.0.1 is end of life as of the 2.1.0 LTM release, and 2.0 is >> not expected to receive any further updates. Version 2.1.0 may work >> with ZooKeeper 3.4, but was developed and tested against 3.5 and later >> versions. I believe the ZooKeeper community is currently considering >> whether to make 3.6 end-of-life themselves, so I would recommend using >> Accumulo 2.1.0 with the latest ZooKeeper 3.7 or later to have the best >> chance of any kind of support, including JDK 17 support. >> >> As for your specific issues: >> >> 1. This is already fixed in 2.1.0 >> 2/3. These issues are likely fixed in newer ZooKeeper versions. I >> haven't seen them anytime recently, anyway. Bugs in ZooKeeper itself >> are out of scope for the Accumulo developers, but I have tried >> building Accumulo 2.1.0 with JDK 17 and ZooKeeper 3.8.0 and haven't >> observed any unresolved issues. However, it's difficult to actually >> run it because I don't think Hadoop has good JDK 17 support yet. So, >> MiniAccumuloCluster seems to work with JDK 17, as does Accumulo and ZK >> 3.8, but I don't think a full Hadoop cluster would (yet). >> >> On Thu, Dec 8, 2022 at 12:28 PM Vincent Russell >> <vincent.russ...@gmail.com> wrote: >> > >> > Hello, >> > >> > We are currently using accumulo 2.0.1. >> > >> > We are in the process of upgrading our source code to use jdk 17 >> however we >> > are running into some problems with our tests and the >> MiniAccumuloCluster. >> > >> > One of our developer encountered the following issues: >> > >> > 1. The MiniAccumumluoClusterImpl._exec is hardcoded with the JVM arg >> > -XX:+IUseConcMarkSweepGC, which is no longer tolerated with JDK17. >> > 2. In Zookeeper 3.4.14, ConetStringParser uses createUnresolved to >> > make IPAddresses. >> SaslServerPrincipal.WrapperInetSocketAddress.getAddress >> > uses InetSocketAddess.getAddress, which returns null because it's not >> > resolved, resulting in a failure to connect to the newly-started >> zookeeper. >> > 3. StaticHostProvider.getHostString() tries to extract he hostname by >> > calling toString on the address and taking everything before the >> colon, but >> > in JDK17, the string format changed to "localhost/<unresolved->:xx" >> (where >> > XX is still the port number). That's incorrect and it can't resolve >> the >> > names. >> > >> > >> > Has anyone come across/resolved these kinds of issues? Is it not >> possible >> > to use java17 from a client perspective? Will upgrading to accumulo 2.1 >> > help? >> > >> > Thanks, >> > Vincent >> >
