Fix for CVE-2020-29204 in xuxueli/xxl-job (project xuxueli__xxl-job_CVE-2020-29204_2.2.0), commit 227628567354d3c156951009d683c6fec3006e0e
Fixed file: xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobGroupController.java
Fixed class: JobGroupController (lines 27-182)
Fixed method: save (lines 62-90)
Method signature: ReturnT save(XxlJobGroup)