Residual appid Record Files
Symptom
The following information is displayed when starting the cluster:
sh /home/ockadmin/opt/ock/ucache/24.0.0/linux-aarch64/sbin/ock-launch-cluster.sh

Key Process and Cause Analysis
The appid record file may be residual.
Conclusion and Solution
Before starting the cluster, ensure that the cluster has stopped running.
sh /home/ockadmin/opt/ock/ucache/24.0.0/linux-aarch64/sbin/ock-stop-cluster.sh
If the error persists, manually delete the appid record file.
rm -rf /home/ockadmin/opt/ock/work/yarn-appids/yarn-ock.appid
Parent topic: Troubleshooting