es集群异常

2017-09-28T15:58:49,744][ERROR][o.e.x.w.a.i.IndexActionFactory] [node_184_1] failed to execute action [UcrGUkZaRoqcsihMgS4YWQ_elasticsearch_cluster_status/trigger_alert]
org.elasticsearch.ElasticsearchTimeoutException: java.util.concurrent.TimeoutException: Timeout waiting for task.
        at org.elasticsearch.action.support.AdapterActionFuture.actionGet(AdapterActionFuture.java:71) ~[elasticsearch-5.4.0.jar:5.4.0]
        at org.elasticsearch.action.support.AdapterActionFuture.actionGet(AdapterActionFuture.java:63) ~[elasticsearch-5.4.0.jar:5.4.0]
        at org.elasticsearch.xpack.watcher.support.init.proxy.WatcherClientProxy.index(WatcherClientProxy.java:73) ~[x-pack-5.4.0.jar:5.4.0]
        at org.elasticsearch.xpack.watcher.actions.index.ExecutableIndexAction.execute(ExecutableIndexAction.java:114) ~[x-pack-5.4.0.jar:5.4.0]
        at org.elasticsearch.xpack.watcher.actions.ActionWrapper.execute(ActionWrapper.java:160) [x-pack-5.4.0.jar:5.4.0]
        at org.elasticsearch.xpack.watcher.execution.ExecutionService.executeInner(ExecutionService.java:412) [x-pack-5.4.0.jar:5.4.0]
        at org.elasticsearch.xpack.watcher.execution.ExecutionService.execute(ExecutionService.java:275) [x-pack-5.4.0.jar:5.4.0]
        at org.elasticsearch.xpack.watcher.execution.ExecutionService$WatchExecutionTask.run(ExecutionService.java:492) [x-pack-5.4.0.jar:5.4.0]
        at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:569) [elasticsearch-5.4.0.jar:5.4.0]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_101]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_101]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_101]
Caused by: java.util.concurrent.TimeoutException: Timeout waiting for task.
        at org.elasticsearch.common.util.concurrent.BaseFuture$Sync.get(BaseFuture.java:232) ~[elasticsearch-5.4.0.jar:5.4.0]
        at org.elasticsearch.common.util.concurrent.BaseFuture.get(BaseFuture.java:67) ~[elasticsearch-5.4.0.jar:5.4.0]
        at org.elasticsearch.action.support.AdapterActionFuture.actionGet(AdapterActionFuture.java:69) ~[elasticsearch-5.4.0.jar:5.4.0]
        ... 11 more