Public bug reported: I installed a new focal host with following
apt-cache policy zookeeper zookeeper: Installed: 3.4.13-5build1 Candidate: 3.4.13-5build1 apt-cache policy openjdk-8-jre-headless openjdk-8-jre-headless: Installed: 8u265-b01-0ubuntu2~20.04 Candidate: 8u265-b01-0ubuntu2~20.04 Zookeper process starts but you can't connect to it. I get the following error in zookeeper logs 2020-09-30 13:51:35,284 - INFO [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@215] - Accepted socket connection from /127.0.0.1:42324 2020-09-30 13:51:35,289 - WARN [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:ZooKeeperThread@60] - Exception occurred from thread NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181 java.lang.NoSuchMethodError: java.nio.ByteBuffer.flip()Ljava/nio/ByteBuffer; at org.apache.zookeeper.server.NIOServerCnxn.doIO(NIOServerCnxn.java:256) at org.apache.zookeeper.server.NIOServerCnxnFactory.run(NIOServerCnxnFactory.java:226) at java.lang.Thread.run(Thread.java:748) ** Affects: zookeeper (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1897844 Title: Focal package doesn't work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/zookeeper/+bug/1897844/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs