mysql连接器执行ddn connector introspect失败

[Snailer1028]

ndc-jvm-cli镜像启动过程中报错：/app/output/configuration.json (Permission denied)

我使用mysql连接器的时候，执行ddn connector introspect --connector connector.local.yaml，然后它会使用docker创建ndc-jvm-cli容器，但是运行失败了，错误内容如下：
'''
Error writing configuration to file: /app/output/configuration.json (Permission denied)
Parent directory: /app/output
Readable: true, Writable: false
Permissions: rwxr-xr-x
4:08PM ERR introspect failed with error: exit status 1
'''