在使用elasticsearch 7.15 创建template时，程序报 Validation Failed: 1: index patterns are missing
在使用spring boot 集成 elasticsearch 7，每次往 elasticsearch 中索引插入数据时，为这条数据自动添加一个默认的创建时间、更新时间，又不想在数据对象中指定此字段。
上图是来自官网对 ingest pipelines（管道）的说明，意思就是在进行文档插入时，文档首先要经过 ingest pipelines（管道）进行加工处理后，再插入到索引库中。
配置自动添加默认字段的脚本程序 参考：
https://www.freesion.com/article/99011432714/
文中变量（snowflakeService）：生成 雪花算法id 的一个工具类 （可以参考 hutool 工具包）
第一步：首先需要创建一个 ingest pipelines
@Test
public void testPipeline() throws IOException {
XContentBuilder jsonBuilder = jsonBuilder().startObject()
.field("description", "inner pipeline-demo-date")
.startArray("processors")
.startObject()
.field("script")
.startObject()
.field("lang", "painless")
.field("source", "" +
" def imp = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");n" +
" imp.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));n" +
" def ts = imp.format(new Date((new Date().getTime())));n" +
" if (ctx.create_time==null ){n" +
" ctx.create_time = ts;n" +
" }n" +
" if (ctx.delete_time==null ){n" +
" ctx.delete_time = 0;n" +
" }n" +
" ctx.update_time = ts;" +
"")
.endObject()
.endObject()
.endArray()
.endObject();
BytesReference reference = BytesReference.bytes(jsonBuilder);
PutPipelineRequest request = new PutPipelineRequest("pipeline-demo-date", reference, XContentType.JSON);
request.timeout(Timevalue.timevalueSeconds(2));
AcknowledgedResponse response = restHighLevelClient.ingest().putPipeline(request, RequestOptions.DEFAULT);
System.out.println(response.isAcknowledged());
// 关闭连接
restHighLevelClient.close();
}
第二步：创建一个模板，绑定上面创建的管道（ingest pipelines）
@Test
public void testPutIndexTemplate() throws IOException {
PutIndexTemplateRequest request = new PutIndexTemplateRequest("demo");
Settings.Builder builder = Settings.builder()
.put("default_pipeline", "pipeline-demo-date");
request.settings(builder);
XContentBuilder jsonBuilder = jsonBuilder()
.startObject()
.startObject("properties")
.startObject("date_time")
.field("type", "date")
.field("format", "epoch_millis")
.endObject()
.startObject("create_time")
.field("type", "date")
.field("format", "yyyy-MM-dd HH:mm:ss.SSS")
.endObject()
.startObject("update_time")
.field("type", "date")
.field("format", "yyyy-MM-dd HH:mm:ss.SSS")
.endObject()
.endObject()
.endObject();
BytesReference reference = BytesReference.bytes(jsonBuilder);
request.mapping(reference, XContentType.JSON);
AcknowledgedResponse response = restHighLevelClient.indices()
.putTemplate(request, RequestOptions.DEFAULT);
System.out.println(response.isAcknowledged());
// 关闭连接
restHighLevelClient.close();
}
第三步：创建索引 （仅供参考）
@Test
public void testCreateIndex() throws IOException {
// 创建索引
CreateIndexRequest request = new CreateIndexRequest("demo-user");
Map properties = new HashMap<>();
Map titleType = new HashMap<>();
titleType.put("type", "text");
titleType.put("store", true);
titleType.put("analyzer", "ik_max_word");
properties.put("name", titleType);
Map sexType = new HashMap<>();
sexType.put("type", "keyword");
properties.put("sex", sexType);
Map ageType = new HashMap<>();
ageType.put("type", "integer");
ageType.put("store", true);
properties.put("age", ageType);
Map tagType = new HashMap<>();
tagType.put("type", "text");
properties.put("tags", tagType);
Map dateType = new HashMap<>();
dateType.put("type", "date");
dateType.put("store", true);
dateType.put("format", "yyyy-MM-dd HH:mm:ss||yyyy-MM-dd||epoch_millis");
properties.put("createTime", dateType);
Map mappings = new HashMap<>();
mappings.put("properties", properties);
request.mapping(mappings);
CreateIndexResponse response = restHighLevelClient.indices()
.create(request, RequestOptions.DEFAULT);
System.out.println(response);
// 关闭连接
restHighLevelClient.close();
}
在执行上面 第二步 方法时会出现一个错误（Validation Failed: 1: index patterns are missing;）
org.elasticsearch.action.ActionRequestValidationException: Validation Failed: 1: index patterns are missing;
at org.elasticsearch.action.ValidateActions.addValidationError(ValidateActions.java:15)
at org.elasticsearch.client.indices.PutIndexTemplateRequest.validate(PutIndexTemplateRequest.java:88)
at org.elasticsearch.client.RestHighLevelClient.performRequest(RestHighLevelClient.java:1698)
at org.elasticsearch.client.RestHighLevelClient.performRequestAndParseEntity(RestHighLevelClient.java:1672)
at org.elasticsearch.client.IndicesClient.putTemplate(IndicesClient.java:1408)
at com.baobao.ElasticSearchTests.testPutIndexTemplate(ElasticSearchTests.java:208)
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.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:686)
at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)
at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)
at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)
at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)
at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)
at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod request.order(0);
request.patterns(Collections.singletonList("demo-*"));
(ExecutableInvoker.java:115)
at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke(ExecutableInvoker.java:105)
at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)
at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)
at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)
at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)
at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104)
at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod(TestMethodTestDescriptor.java:212)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.invokeTestMethod(TestMethodTestDescriptor.java:208)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:137)
at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.execute(TestMethodTestDescriptor.java:71)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively(NodeTestTask.java:135)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively(NodeTestTask.java:125)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:135)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively(NodeTestTask.java:123)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:122)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:80)
at java.util.ArrayList.forEach(ArrayList.java:1255)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively(NodeTestTask.java:139)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively(NodeTestTask.java:125)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:135)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively(NodeTestTask.java:123)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:122)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:80)
at java.util.ArrayList.forEach(ArrayList.java:1255)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:38)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively(NodeTestTask.java:139)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively(NodeTestTask.java:125)
at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:135)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively(NodeTestTask.java:123)
at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:122)
at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:80)
at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:32)
at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57)
at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:51)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:248)
at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute(DefaultLauncher.java:211)
at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:226)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:199)
at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:132)
at com.intellij.junit5.JUnit5IdeaTestRunner.startRunnerWithArgs(JUnit5IdeaTestRunner.java:71)
at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)
at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:220)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:53)
这个错误的意思是在进行参数校验时，发现索引 patterns 缺失
解决方法如下：
在第二步代码中对request 的 patterns 进行设值即可
写的不好，望各位指正！！！ 欢迎评论补充。
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