pre-populate info if its not defined

This reverts commit 090f1b31ba675eebc2fcb4d2032d4bf11336f993.

modules/openapi-generator/src/main/java/org/openapitools/codegen/OpenAPINormalizer.java

@@ -20,6 +20,7 @@ package org.openapitools.codegen;
 import io.swagger.v3.oas.models.*;
 import io.swagger.v3.oas.models.callbacks.Callback;
 import io.swagger.v3.oas.models.headers.Header;
+import io.swagger.v3.oas.models.info.Info;
 import io.swagger.v3.oas.models.media.*;
 import io.swagger.v3.oas.models.parameters.Parameter;
 import io.swagger.v3.oas.models.parameters.RequestBody;
@@ -283,10 +284,24 @@ public class OpenAPINormalizer {
             this.openAPI.getComponents().setSchemas(new HashMap<String, Schema>());
         }
 
+        normalizeInfo();
         normalizePaths();
         normalizeComponentsSchemas();
     }
 
+    /**
+     * Pre-populate info if it's not defined.
+     */
+    private void normalizeInfo() {
+        if (this.openAPI.getInfo() == null) {
+            Info info = new Info();
+            info.setTitle("OpenAPI");
+            info.setVersion("0.0.1");
+            info.setDescription("OpenAPI");
+            this.openAPI.setInfo(info);
+        }
+    }
+
     /**
      * Normalizes inline models in Paths
      */

modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-boot/buildGradle-sb3-Kts.mustache

@@ -36,8 +36,8 @@ dependencies {
         implementation("org.springframework.boot:spring-boot-starter-webflux")
         implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlinxCoroutinesVersion")
         implementation("org.jetbrains.kotlinx:kotlinx-coroutines-reactor:$kotlinxCoroutinesVersion"){{/reactive}}{{#springDocDocumentationProvider}}{{#useSwaggerUI}}
-        implementation("org.springdoc:springdoc-openapi-starter-{{#reactive}}webflux{{/reactive}}{{^reactive}}webmvc{{/reactive}}-ui:2.2.0"){{/useSwaggerUI}}{{^useSwaggerUI}}
+        implementation("org.springdoc:springdoc-openapi-starter-{{#reactive}}webflux{{/reactive}}{{^reactive}}webmvc{{/reactive}}-ui:2.6.0"){{/useSwaggerUI}}{{^useSwaggerUI}}
-        implementation("org.springdoc:springdoc-openapi-starter-{{#reactive}}webflux{{/reactive}}{{^reactive}}webmvc{{/reactive}}-api:2.2.0"){{/useSwaggerUI}}{{/springDocDocumentationProvider}}{{#springFoxDocumentationProvider}}
+        implementation("org.springdoc:springdoc-openapi-starter-{{#reactive}}webflux{{/reactive}}{{^reactive}}webmvc{{/reactive}}-api:2.6.0"){{/useSwaggerUI}}{{/springDocDocumentationProvider}}{{#springFoxDocumentationProvider}}
         implementation("io.springfox:springfox-swagger2:2.9.2"){{/springFoxDocumentationProvider}}{{#useSwaggerUI}}{{^springDocDocumentationProvider}}
         implementation("org.webjars:swagger-ui:4.10.3")
         implementation("org.webjars:webjars-locator-core"){{/springDocDocumentationProvider}}{{/useSwaggerUI}}{{^springFoxDocumentationProvider}}{{^springDocDocumentationProvider}}{{#swagger1AnnotationLibrary}}

modules/openapi-generator/src/main/resources/kotlin-spring/libraries/spring-cloud/buildGradle-sb3-Kts.mustache

@@ -44,8 +44,8 @@ dependencies {
     implementation("org.springframework.boot:spring-boot-starter-webflux")
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlinxCoroutinesVersion")
     implementation("org.jetbrains.kotlinx:kotlinx-coroutines-reactor:$kotlinxCoroutinesVersion"){{/reactive}}{{#springDocDocumentationProvider}}{{#useSwaggerUI}}
-    implementation("org.springdoc:springdoc-openapi-starter-{{#reactive}}webflux{{/reactive}}{{^reactive}}webmvc{{/reactive}}-ui:2.2.0"){{/useSwaggerUI}}{{^useSwaggerUI}}
+    implementation("org.springdoc:springdoc-openapi-starter-{{#reactive}}webflux{{/reactive}}{{^reactive}}webmvc{{/reactive}}-ui:2.6.0"){{/useSwaggerUI}}{{^useSwaggerUI}}
-    implementation("org.springdoc:springdoc-openapi-starter-{{#reactive}}webflux{{/reactive}}{{^reactive}}webmvc{{/reactive}}-api:2.2.0"){{/useSwaggerUI}}{{/springDocDocumentationProvider}}{{#springFoxDocumentationProvider}}
+    implementation("org.springdoc:springdoc-openapi-starter-{{#reactive}}webflux{{/reactive}}{{^reactive}}webmvc{{/reactive}}-api:2.6.0"){{/useSwaggerUI}}{{/springDocDocumentationProvider}}{{#springFoxDocumentationProvider}}
     implementation("io.springfox:springfox-swagger2:2.9.2"){{/springFoxDocumentationProvider}}{{#useSwaggerUI}}{{^springDocDocumentationProvider}}
     implementation("org.webjars:swagger-ui:4.10.3")
     implementation("org.webjars:webjars-locator-core"){{/springDocDocumentationProvider}}{{/useSwaggerUI}}{{^springFoxDocumentationProvider}}{{^springDocDocumentationProvider}}{{#swagger1AnnotationLibrary}}