ElasticsearchException中的java空指针。获取索引

Question

我正在尝试查询索引，我已检查了索引名称。同一段代码在一台机器上完美地执行，而在另一台机器上它给了我这个例外

java.lang.NullPointerException: null
        at org.elasticsearch.ElasticsearchException.getIndex(ElasticsearchException.java:1083) ~[elasticsearch-6.4.3.jar!/:6.4.3]
        at org.elasticsearch.ElasticsearchException.toString(ElasticsearchException.java:696) ~[elasticsearch-6.4.3.jar!/:6.4.3]
        at java.lang.String.valueOf(String.java:2994) ~[na:1.8.0_191]
        at java.lang.StringBuilder.append(StringBuilder.java:131) ~[na:1.8.0_191]
        at org.springframework.core.NestedExceptionUtils.buildMessage(NestedExceptionUtils.java:52) ~[spring-core-5.1.4.RELEASE.jar!/:5.1.4.RELEASE]
        at org.springframework.web.util.NestedServletException.getMessage(NestedServletException.java:82) ~[spring-web-5.1.4.RELEASE.jar!/:5.1.4.RELEASE]
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:238) ~[tomcat-embed-core-9.0.14.jar!/:9.0.14]
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) ~[tomcat-embed-core-9.0.14.jar!/:9.0.14]
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490) ~[tomcat-embed-core-9.0.14.jar!/:9.0.14]
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) ~[tomcat-embed-core-9.0.14.jar!/:9.0.14]
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [tomcat-embed-core-9.0.14.jar!/:9.0.14]
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) [tomcat-embed-core-9.0.14.jar!/:9.0.14]
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) [tomcat-embed-core-9.0.14.jar!/:9.0.14]
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408) [tomcat-embed-core-9.0.14.jar!/:9.0.14]
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-9.0.14.jar!/:9.0.14]
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:834) [tomcat-embed-core-9.0.14.jar!/:9.0.14]
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1417) [tomcat-embed-core-9.0.14.jar!/:9.0.14]
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-9.0.14.jar!/:9.0.14]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_191]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_191]
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-9.0.14.jar!/:9.0.14]
        at java.lang.Thread.run(Thread.java:748) [na:1.8.0_191]

现在我已经检查了以下内容

• 两台机器上的弹性指数相同
• 我可以在两台机器上启动相同的查询，并且它们可以完美地工作 两者都有
• 机器上不起作用的弹性版本是6.5.1 在它工作的机器上是6.2.4

如果索引不存在，那么我们会得到一个不同的异常，我无法理解这个异常背后的原因

编辑1：这是我正在使用的查询

  "from": 0,
  "size": 6,
  "timeout": "1000ms",
  "query": {
    "bool": {
      "must": [
        {
          "match": {
            "searchName": {
              "query": "new delh",
              "operator": "OR",
              "analyzer": "standard",
              "fuzziness": "1",
              "prefix_length": 8,
              "max_expansions": 200,
              "minimum_should_match": "100%",
              "fuzzy_transpositions": true,
              "lenient": false,
              "zero_terms_query": "NONE",
              "auto_generate_synonyms_phrase_query": true,
              "boost": 1
            }
          }
        }
      ],
      "filter": [
        {
          "term": {
            "isSearchEnabled": {
              "value": true,
              "boost": 1
            }
          }
        }
      ],
      "should": [
        {
          "match": {
            "searchName": {
              "query": "new delh",
              "operator": "OR",
              "analyzer": "standard",
              "fuzziness": "2",
              "prefix_length": 1,
              "max_expansions": 200,
              "minimum_should_match": "100%",
              "fuzzy_transpositions": true,
              "lenient": false,
              "zero_terms_query": "NONE",
              "auto_generate_synonyms_phrase_query": true,
              "boost": 1
            }
          }
        }
      ],
      "adjust_pure_negative": true,
      "boost": 1
    }
  },
  "sort": [
    {
      "entityDisplayOrder": {
        "order": "asc"
      }
    },
    {
      "propertyCount": {
        "order": "desc"
      }
    }
  ]