【异常】关于使用ES的RestHighLevel JavaAPI执行search操作时，参数的问题

问题描述：

在使用ES的JavaRest API 的RestHighLevelClient，执行searchRequest操作时，出现部分请求参数不能识别的情况，如下：

contains unrecognized parameters: [batched_reduce_size], [typed_keys]]

ElasticsearchStatusException[Elasticsearch exception [type=illegal_argument_exception, reason=request [/finance.qyxx_basic/qyxx_basic/_search] contains unrecognized parameters: [batched_reduce_size], [typed_keys]]]at org.elasticsearch.rest.BytesRestResponse.errorFromXContent(BytesRestResponse.java:177)at org.elasticsearch.client.RestHighLevelClient.parseEntity(RestHighLevelClient.java:526)at org.elasticsearch.client.RestHighLevelClient.parseResponseException(RestHighLevelClient.java:502)at org.elasticsearch.client.RestHighLevelClient.performRequest(RestHighLevelClient.java:409)at org.elasticsearch.client.RestHighLevelClient.performRequestAndParseEntity(RestHighLevelClient.java:382)at org.elasticsearch.client.RestHighLevelClient.search(RestHighLevelClient.java:323)at com.bbd.finance.ESRestDemo.highClientSearch(ESRestDemo.java:166)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:498)at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)at org.junit.runners.ParentRunner.run(ParentRunner.java:363)at org.junit.runner.JUnitCore.run(JUnitCore.java:137)at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:51)at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:237)at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)Suppressed: org.elasticsearch.client.ResponseException: GET http://10.28.100.30:39203/finance.qyxx_basic/qyxx_basic/_search?typed_keys=true&ignore_unavailable=false&expand_wildcards=open&allow_no_indices=true&search_type=query_then_fetch&batched_reduce_size=512: HTTP/1.1 400 Bad Request{"error":{"root_cause":[{"type":"illegal_argument_exception","reason":"request [/finance.qyxx_basic/qyxx_basic/_search] contains unrecognized parameters: [batched_reduce_size], [typed_keys]"}],"type":"illegal_argument_exception","reason":"request [/finance.qyxx_basic/qyxx_basic/_search] contains unrecognized parameters: [batched_reduce_size], [typed_keys]"},"status":400}at org.elasticsearch.client.RestClient$1.completed(RestClient.java:354)at org.elasticsearch.client.RestClient$1.completed(RestClient.java:343)at org.apache.http.concurrent.BasicFuture.completed(BasicFuture.java:123)at org.apache.http.impl.nio.client.DefaultClientExchangeHandlerImpl.responseCompleted(DefaultClientExchangeHandlerImpl.java:181)at org.apache.http.nio.protocol.HttpAsyncRequestExecutor.processResponse(HttpAsyncRequestExecutor.java:436)at org.apache.http.nio.protocol.HttpAsyncRequestExecutor.inputReady(HttpAsyncRequestExecutor.java:326)at org.apache.http.impl.nio.client.InternalRequestExecutor.inputReady(InternalRequestExecutor.java:83)at org.apache.http.impl.nio.DefaultNHttpClientConnection.consumeInput(DefaultNHttpClientConnection.java:265)at org.apache.http.impl.nio.client.InternalIODispatch.onInputReady(InternalIODispatch.java:81)at org.apache.http.impl.nio.client.InternalIODispatch.onInputReady(InternalIODispatch.java:39)at org.apache.http.impl.nio.reactor.AbstractIODispatch.inputReady(AbstractIODispatch.java:114)at org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:162)at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:337)at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:315)at org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:276)at org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:104)at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:588)at java.lang.Thread.run(Thread.java:748)

其实问题很让人蛋疼，ES的REST JavaAPI中高级API，是在5.6之后的版本采用的，而我的ES服务版本正好5.3的，导致5.3就不能识别5.6提供的参数。