, which affected how temporary files were handled on Unix-like systems. Apache Archives Evolution Beyond 2.6.0
: For newer security patches or library updates (such as Zookeeper 3.9.2 or Log4j2), refer to the Release Notes for Storm 2.6.3 . Storm 2.6.0 Release Notes
| Symptom | Likely Cause | Fix in 2.6.0.2 | |---------|--------------|------------------| | KryoException: Class not registered | Strict deserialization | Set topology.kryo.register.required: false (temporary) or migrate to registered classes. | | Worker fails to start with Address already in use | Netty port range collision | Recalculate supervisor.slots.ports ; 2.6.0.2 validates overlapping ports at startup. | | ZooKeeper ConnectionLoss loop | Legacy ZK chroot path | Ensure storm.zookeeper.root ends with a slash (e.g., /storm-app/ ). Fixed parsing in this version. |
to use V2 metrics for more granular monitoring and efficiency. Why Upgrade?