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 >
