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reorganizing modules
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theonefx
2020-04-02 16:52:12 +08:00
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spring-cloud-alibaba-examples/sentinel-example/sentinel-core-example/readme.md
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@@ -193,15 +193,27 @@ Now ReadableDataSource type support 5 categories: `file`, `nacos`, `zk`, `apollo
If you want to use `nacos`, `zk`, `apollo` or `redis` ReadableDataSource, you could add `sentinel-datasource-nacos`, `sentinel-datasource-zookeeper`,`sentinel-datasource-apollo` or `sentinel-datasource-redis` dependency.
When ReadableDataSource load rule data successfully, console will print some logs:
```
[Sentinel Starter] DataSource ds1-sentinel-file-datasource load 3 DegradeRule
[Sentinel Starter] DataSource ds2-sentinel-nacos-datasource load 2 FlowRule
```
## Warning
You should use `file` ReadableDataSource in a fatjar carefully or you may get error like this below
```
java.lang.RuntimeException: [Sentinel Starter] DataSource ds1 handle file [classpath: flowrule.json] error: class path resource [flowrule.json] cannot be resolved to absolute file path because it does not reside in the file system: jar:file:xxx/xxx.jar!/BOOT-INF/classes!/flowrule.jso
```
You could use absolute path when you use File datasource & fat jar.
It is recommended to use Nacos/Apollo/Zookeeper/Redis datasource to store rules.
https://github.com/alibaba/spring-cloud-alibaba/issues/428
## More
For more information about Sentinel, see [Sentinel Project](https://github.com/alibaba/Sentinel).
If you have any ideas or suggestions for Spring Cloud Sentinel starter, please don't hesitate to tell us by submitting github issues.