Application Failure in Docker Containers

Symptom

During compatibility testing, when the application runs in a Docker container, the error message shown in Figure 1 is displayed.

Figure 1 Application failure

Possible Causes

The detection commands in the compatibility_testing.sh file are not adapted for Docker container environments.

Troubleshooting Procedure

Modify the compatibility_testing.conf and compatibility_testing.sh files in the compatibility_testing/Chinese directory.

1. Modify the compatibility_testing.conf file.

   In the compatibility_testing.conf file, change kubernetes_env= to kubernetes_env=Y.

2. Modify the compatibility_testing.sh file.

   In the compatibility_testing.sh file, replace the second kubectl get all --all-namespaces in the check_process() function with docker ps.

   Figure 2 After modification