upgrade to spring boot 2.3.0

pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.1.1.RELEASE</version>
+        <version>2.3.0.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <modelVersion>4.0.0</modelVersion>

whatsmars-archetypes/whatsmars-initializr/src/main/java/org/hongxi/whatsmars/initializr/controller/InitializrController.java

@@ -11,7 +11,6 @@ import org.springframework.util.StringUtils;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 
-import javax.validation.Valid;
 import java.io.File;
 
 /**
@@ -24,7 +23,7 @@ public class InitializrController {
     private static final String CMD = "sh generate.sh ";
 
     @PostMapping
-    public ResponseEntity<byte[]> initialize(@Valid ProjectMeta projectMeta) throws Exception {
+    public ResponseEntity<byte[]> initialize(ProjectMeta projectMeta) throws Exception {
         if (StringUtils.isEmpty(projectMeta.getPackageName())) {
             projectMeta.setPackageName(projectMeta.getGroupId());
         }

whatsmars-archetypes/whatsmars-initializr/src/main/java/org/hongxi/whatsmars/initializr/model/ProjectMeta.java

@@ -2,19 +2,14 @@ package org.hongxi.whatsmars.initializr.model;
 
 import lombok.Data;
 
-import javax.validation.constraints.NotEmpty;
-
 /**
  * Created by shenhongxi on 2020/7/2.
  */
 @Data
 public class ProjectMeta {
 
-    @NotEmpty
     private String type;
-    @NotEmpty
     private String groupId;
-    @NotEmpty
     private String artifactId;
     private String packageName;
     private boolean includeActuator;

whatsmars-elasticsearch/src/main/java/org/hongxi/whatsmars/elasticsearch/SimpleController.java

@@ -6,12 +6,7 @@ import org.apache.http.util.EntityUtils;
 import org.elasticsearch.client.Request;
 import org.elasticsearch.client.Response;
 import org.elasticsearch.client.RestClient;
-import org.elasticsearch.index.query.QueryBuilder;
-import org.elasticsearch.index.query.QueryBuilders;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.data.elasticsearch.core.ElasticsearchTemplate;
-import org.springframework.data.elasticsearch.core.query.NativeSearchQueryBuilder;
-import org.springframework.data.elasticsearch.core.query.SearchQuery;
 import org.springframework.http.HttpMethod;
 import org.springframework.web.bind.annotation.*;
 
@@ -28,31 +23,12 @@ public class SimpleController {
     private static final String QUERY_PARAMETER_REST_TOTAL_HITS_AS_INT = "rest_total_hits_as_int";
     private static final String QUERY_PARAMETER_IGNORE_THROTTLED = "ignore_throttled";
 
-    @Autowired
-    private ElasticsearchTemplate elasticsearchTemplate;
-
     @Autowired
     private CustomerRepository repository;
 
     @Autowired
     private RestClient restClient;
 
-    @RequestMapping("/indexExists/{indexName}")
-    public Boolean indexExists(@PathVariable String indexName) {
-        return elasticsearchTemplate.indexExists(indexName);
-    }
-
-    @RequestMapping("/search/{indices}")
-    public List<Customer> query(@PathVariable String indices) {
-        QueryBuilder queryBuilder= QueryBuilders.boolQuery()
-                .must(QueryBuilders.matchQuery("firstName", "Alice"));
-        SearchQuery searchQuery = new NativeSearchQueryBuilder()
-                .withIndices(indices)
-                .withQuery(queryBuilder)
-                .build();
-        return elasticsearchTemplate.queryForList(searchQuery, Customer.class);
-    }
-
     @RequestMapping("/save")
     public String testEsRepo() {
         saveCustomers();

whatsmars-mq/whatsmars-mq-kafka-server/pom.xml

@@ -14,7 +14,7 @@
     <dependencies>
         <dependency>
             <groupId>org.apache.kafka</groupId>
-            <artifactId>kafka_2.11</artifactId>
+            <artifactId>kafka_2.12</artifactId>
             <version>${kafka.version}</version>
         </dependency>
         <dependency>