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Determine if a node exists before deleting it

This commit is contained in:
ligang 2019-05-24 17:46:19 +08:00
parent ae8076a72f
commit 8a4fe1d86e
1 changed files with 4 additions and 1 deletions
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5
escheduler-common/src/main/java/cn/escheduler/common/queue/TaskQueueZkImpl.java
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@ -206,7 +206,10 @@ public class TaskQueueZkImpl extends AbstractZKClient implements ITaskQueue {
String taskIdPath = tasksQueuePath + nodeValue;
logger.info("consume task {}", taskIdPath);
try{
zk.delete().forPath(taskIdPath);
Stat stat = zk.checkExists().forPath(taskIdPath);
if(stat != null){
zk.delete().forPath(taskIdPath);
}
}catch(Exception e){
logger.error(String.format("delete task:%s from zookeeper fail, exception:" ,nodeValue) ,e);
}