当我尝试通过以下方式在laravel中索引我的elasticsearch时：
php artisan elastic:index
我收到以下错误：
start with '_', found: [_doc]
at org.elasticsearch.cluster.metadata.MetaDataMappingService$PutMappingExecutor.applyRequest(MetaDataMappingService.java:297) ~[elasticsearch-6.0.0.jar:6.0.0]
at org.elasticsearch.cluster.metadata.MetaDataMappingService$PutMappingExecutor.execute(MetaDataMappingService.java:230) ~[elasticsearch-6.0.0.jar:6.0.0]
at org.elasticsearch.cluster.service.MasterService.executeTasks(MasterService.java:640) ~[elasticsearch-6.0.0.jar:6.0.0]
at org.elasticsearch.cluster.service.MasterService.calculateTaskOutputs(MasterService.java:270) ~[elasticsearch-6.0.0.jar:6.0.0]
at org.elasticsearch.cluster.service.MasterService.runTasks(MasterService.java:195) [elasticsearch-6.0.0.jar:6.0.0]
at org.elasticsearch.cluster.service.MasterService$Batcher.run(MasterService.java:130) [elasticsearch-6.0.0.jar:6.0.0]
at org.elasticsearch.cluster.service.TaskBatcher.runIfNotProcessed(TaskBatcher.java:150) [elasticsearch-6.0.0.jar:6.0.0]
at org.elasticsearch.cluster.service.TaskBatcher$BatchedTask.run(TaskBatcher.java:188) [elasticsearch-6.0.0.jar:6.0.0]
at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:569) [elasticsearch-6.0.0.jar:6.0.0]
at org.elasticsearch.common.util.concurrent.PrioritizedEsThreadPoolExecutor$TieBreakingPrioritizedRunnable.runAndClean(PrioritizedEsThreadPoolExecutor.java:247) [elasticsearch-6.0.0.jar:6.0.0]
at org.elasticsearch.common.util.concurrent.PrioritizedEsThreadPoolExecutor$TieBreakingPrioritizedRunnable.run(PrioritizedEsThreadPoolExecutor.java:210) [elasticsearch-6.0.0.jar:6.0.0]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
at java.lang.Thread.run(Thread.java:834) [?:?]
我在互联网上看到很多，但是从来没有清楚的解释。我该如何解决？
我正在使用Elasticsearch6.0.0
答案 0 :(得分：0)
您只需要升级到ES6.x。在该版本之前，除_default_之外，不允许创建带有下划线作为第一个字符的映射类型。