Results 3 issues of zhaozw

When use @RequestMapping and do not define HttpMethod, can be default to GET. Supporting this will make SwaggerGenerator works in Spring Cloud class scan.

- [ ] I have registered the PR [changes](https://github.com/seata/seata/tree/develop/changes). ### Ⅰ. Describe what this PR did Support seata connect to [servicecomb-service-center](https://github.com/apache/servicecomb-service-center) Support seata connect to [servicecomb-kie](https://github.com/apache/servicecomb-kie) ### Ⅱ. Does this...

type: feature
first-time contributor
module/config
module/discovery

Running applications in integration-tests, will get the following warning: SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/D:/repo/ch/qos/logback/logback-classic/1.2.2/logback-classic-1.2.2.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/D:/repo/org/slf4j/slf4j-log4j12/1.7.26/slf4j-log4j12-1.7.26.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for...