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dashboard: Fix NoNodeException problem of FlowRuleZookeeperProvider example (#1352)

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WongTheo 2020-03-22 17:58:18 +08:00 committed by GitHub
parent 87f95adc2e
commit 8f0cb2d24a
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1 changed files with 5 additions and 0 deletions
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sentinel-dashboard/src/test/java/com/alibaba/csp/sentinel/dashboard/rule/zookeeper/FlowRuleZookeeperProvider.java
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@ -19,6 +19,7 @@ import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.FlowRuleEntity;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRuleProvider;
import com.alibaba.csp.sentinel.datasource.Converter;
import org.apache.curator.framework.CuratorFramework;
import org.apache.zookeeper.data.Stat;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@ -36,6 +37,10 @@ public class FlowRuleZookeeperProvider implements DynamicRuleProvider<List<FlowR
@Override
public List<FlowRuleEntity> getRules(String appName) throws Exception {
String zkPath = ZookeeperConfigUtil.getPath(appName);
Stat stat = zkClient.checkExists().forPath(zkPath);
if(stat == null){
return new ArrayList<>(0);
}
byte[] bytes = zkClient.getData().forPath(zkPath);
if (null == bytes || bytes.length == 0) {
return new ArrayList<>();