diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavaMicronautAbstractCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavaMicronautAbstractCodegen.java
index 0210abad942..e90fcfd5d6c 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavaMicronautAbstractCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/JavaMicronautAbstractCodegen.java
@@ -1,5 +1,8 @@
 package org.openapitools.codegen.languages;
 
+import com.google.common.collect.ImmutableMap;
+import com.samskivert.mustache.Mustache;
+import com.samskivert.mustache.Template;
 import io.swagger.v3.oas.models.Operation;
 import io.swagger.v3.oas.models.media.Schema;
 import org.apache.commons.lang3.StringUtils;
@@ -15,6 +18,8 @@ import org.openapitools.codegen.model.OperationsMap;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.io.IOException;
+import java.io.Writer;
 import java.util.*;
 import java.util.stream.Collectors;
 
@@ -692,4 +697,17 @@ public abstract class JavaMicronautAbstractCodegen extends AbstractJavaCodegen i
         }
         return escapeText(text).replaceAll("'", "\\'");
     }
+
+    @Override
+    protected ImmutableMap.Builder<String, Mustache.Lambda> addMustacheLambdas() {
+        return super.addMustacheLambdas()
+            .put("replaceDotsWithUnderscore", new ReplaceDotsWithUnderscoreLambda());
+    }
+
+    private static class ReplaceDotsWithUnderscoreLambda implements Mustache.Lambda {
+        @Override
+        public void execute(final Template.Fragment fragment, final Writer writer) throws IOException {
+            writer.write(fragment.execute().replace('.', '_'));
+        }
+    }
 }
diff --git a/modules/openapi-generator/src/main/resources/java-micronaut/client/api.mustache b/modules/openapi-generator/src/main/resources/java-micronaut/client/api.mustache
index ff04dfd1f68..22bc78e27b5 100644
--- a/modules/openapi-generator/src/main/resources/java-micronaut/client/api.mustache
+++ b/modules/openapi-generator/src/main/resources/java-micronaut/client/api.mustache
@@ -48,10 +48,12 @@ public interface {{classname}} {
     {{#operation}}
 {{>common/operationAnnotations}}{{!
 }}    @{{#lambda.pascalcase}}{{#lambda.lowercase}}{{httpMethod}}{{/lambda.lowercase}}{{/lambda.pascalcase}}(uri="{{{path}}}")
-        {{#vendorExtensions.x-content-type}}
-    @Produces(value={"{{vendorExtensions.x-content-type}}"})
-        {{/vendorExtensions.x-content-type}}
-    @Consumes(value={"{{vendorExtensions.x-accepts}}"})
+    {{#hasProduces}}
+    {{#produces}}{{#-first}}@Consumes({{openbrace}}{{/-first}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{#-last}}{{closebrace}}){{/-last}}{{/produces}}
+    {{/hasProduces}}
+    {{#hasConsumes}}
+    {{#consumes}}{{#-first}}@Produces({{openbrace}}{{/-first}}"{{{mediaType}}}"{{^-last}}, {{/-last}}{{#-last}}{{closebrace}}){{/-last}}{{/consumes}}
+    {{/hasConsumes}}
     {{!auth methods}}
         {{#configureAuth}}
             {{#authMethods}}
diff --git a/modules/openapi-generator/src/main/resources/java-micronaut/client/auth/AuthorizationBinder.mustache b/modules/openapi-generator/src/main/resources/java-micronaut/client/auth/AuthorizationBinder.mustache
index 7dc1814c237..14329a506cb 100644
--- a/modules/openapi-generator/src/main/resources/java-micronaut/client/auth/AuthorizationBinder.mustache
+++ b/modules/openapi-generator/src/main/resources/java-micronaut/client/auth/AuthorizationBinder.mustache
@@ -4,6 +4,7 @@ package {{invokerPackage}}.auth;
 import io.micronaut.aop.MethodInvocationContext;
 import io.micronaut.core.annotation.AnnotationValue;
 import io.micronaut.core.annotation.NonNull;
+import io.micronaut.core.naming.NameUtils;
 import io.micronaut.core.util.CollectionUtils;
 import io.micronaut.core.util.StringUtils;
 import io.micronaut.http.MutableHttpRequest;
@@ -47,26 +48,6 @@ public class AuthorizationBinder implements AnnotatedClientRequestBinder<Authori
     }
 
     private String configurationName(String name) {
-        StringBuilder result = new StringBuilder();
-
-        boolean wasCapital = false;
-        for (int i = 0; i < name.length(); ++i) {
-            char c = name.charAt(i);
-            if (c == '_') {
-                result.append('-');
-                wasCapital = true;
-            } else if (Character.isUpperCase(c)) {
-                if (wasCapital) {
-                    result.append(Character.toLowerCase(c));
-                } else {
-                    result.append('-');
-                    result.append(Character.toLowerCase(c));
-                }
-                wasCapital = true;
-            } else {
-                result.append(c);
-            }
-        }
-        return result.toString();
+        return NameUtils.hyphenate(name.replace('.', '_'), true);
     }
 }
diff --git a/modules/openapi-generator/src/main/resources/java-micronaut/client/auth/AuthorizationFilter.mustache b/modules/openapi-generator/src/main/resources/java-micronaut/client/auth/AuthorizationFilter.mustache
index 3bd7a3562df..98c360786c8 100644
--- a/modules/openapi-generator/src/main/resources/java-micronaut/client/auth/AuthorizationFilter.mustache
+++ b/modules/openapi-generator/src/main/resources/java-micronaut/client/auth/AuthorizationFilter.mustache
@@ -20,7 +20,7 @@ import io.micronaut.security.oauth2.client.clientcredentials.propagation.ClientC
 import io.micronaut.security.oauth2.client.clientcredentials.propagation.ClientCredentialsTokenPropagator;
 import io.micronaut.security.oauth2.configuration.OauthClientConfiguration;
 import io.micronaut.security.oauth2.endpoint.token.response.TokenResponse;
-import org.openapitools.auth.configuration.ConfigurableAuthorization;
+import {{invokerPackage}}.auth.configuration.ConfigurableAuthorization;
 import org.reactivestreams.Publisher;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
diff --git a/modules/openapi-generator/src/main/resources/java-micronaut/common/configuration/application.yml.mustache b/modules/openapi-generator/src/main/resources/java-micronaut/common/configuration/application.yml.mustache
index 56f64f10256..b85b30195dd 100644
--- a/modules/openapi-generator/src/main/resources/java-micronaut/common/configuration/application.yml.mustache
+++ b/modules/openapi-generator/src/main/resources/java-micronaut/common/configuration/application.yml.mustache
@@ -10,7 +10,7 @@ micronaut:
   security:
     oauth2:
       clients:{{#oauthMethods}}
-        {{{name}}}:
+        {{#lambda.replaceDotsWithUnderscore}}{{{name}}}{{/lambda.replaceDotsWithUnderscore}}:
           grant-type: {{#isCode}}authorization_code{{/isCode}}{{#isImplicit}}implicit{{/isImplicit}}{{#isPassword}}password{{/isPassword}}{{#isApplication}}client_credentials{{/isApplication}}
           scopes: [{{#scopes}}"{{{scope}}}"{{^-last}}, {{/-last}}{{/scopes}}]{{!authorization url}}{{#authorizationUrl}}
           authorization:
diff --git a/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/micronaut/MicronautClientCodegenTest.java b/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/micronaut/MicronautClientCodegenTest.java
index 103ae98ab1c..2a19418c9a4 100644
--- a/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/micronaut/MicronautClientCodegenTest.java
+++ b/modules/openapi-generator/src/test/java/org/openapitools/codegen/java/micronaut/MicronautClientCodegenTest.java
@@ -215,4 +215,28 @@ public class MicronautClientCodegenTest extends AbstractMicronautCodegenTest {
         assertFileContains(modelPath + "Order.java", "public Order()");
         assertFileNotContainsRegex(modelPath + "Order.java", "public Order\\([^)]+\\)");
     }
+
+    @Test
+    public void doGenerateMultipleContentTypes() {
+        JavaMicronautClientCodegen codegen = new JavaMicronautClientCodegen();
+
+        String outputPath = generateFiles(codegen, "src/test/resources/3_0/micronaut/content-type.yaml", CodegenConstants.APIS);
+
+        // body and response content types should be properly annotated using @Consumes and @Produces micronaut annotations
+        String apiPath = outputPath + "src/main/java/org/openapitools/api/";
+        assertFileContains(apiPath + "DefaultApi.java", "@Consumes({\"application/vnd.oracle.resource+json; type=collection\", \"application/vnd.oracle.resource+json; type=error\"})");
+        assertFileContains(apiPath + "DefaultApi.java", "@Produces({\"application/vnd.oracle.resource+json; type=singular\"})");
+    }
+
+    @Test
+    public void doGenerateOauth2InApplicationConfig() {
+        JavaMicronautClientCodegen codegen = new JavaMicronautClientCodegen();
+        codegen.additionalProperties().put(JavaMicronautClientCodegen.OPT_CONFIGURE_AUTH, "true");
+
+        String outputPath = generateFiles(codegen, "src/test/resources/3_0/micronaut/oauth2.yaml", CodegenConstants.SUPPORTING_FILES);
+
+        // micronaut yaml property names shouldn't contain any dots
+        String resourcesPath = outputPath + "src/main/resources/";
+        assertFileContains(resourcesPath + "application.yml", "OAuth_2_0_Client_Credentials:");
+    }
 }
diff --git a/modules/openapi-generator/src/test/resources/3_0/micronaut/content-type.yaml b/modules/openapi-generator/src/test/resources/3_0/micronaut/content-type.yaml
new file mode 100644
index 00000000000..a18f841e958
--- /dev/null
+++ b/modules/openapi-generator/src/test/resources/3_0/micronaut/content-type.yaml
@@ -0,0 +1,29 @@
+openapi: 3.0.2
+info:
+  title: info
+  description: info
+  version: 0.1.0
+
+paths:
+  /example/api:
+    post:
+      summary: summary
+      description: description
+      requestBody:
+        content:
+          application/vnd.oracle.resource+json; type=singular:
+            schema:
+              type: object
+      responses:
+        200:
+          description: response
+          content:
+            application/vnd.oracle.resource+json; type=collection:
+              schema:
+                type: object
+        default:
+          description: error
+          content:
+            application/vnd.oracle.resource+json; type=error:
+              schema:
+                type: object
diff --git a/modules/openapi-generator/src/test/resources/3_0/micronaut/oauth2.yaml b/modules/openapi-generator/src/test/resources/3_0/micronaut/oauth2.yaml
new file mode 100644
index 00000000000..a8edbdd333e
--- /dev/null
+++ b/modules/openapi-generator/src/test/resources/3_0/micronaut/oauth2.yaml
@@ -0,0 +1,25 @@
+openapi: 3.0.2
+info:
+  title: info
+  description: info
+  version: 0.1.0
+
+paths:
+  /example/api:
+    get:
+      summary: summary
+      description: description
+      responses:
+        200:
+          description: response
+
+components:
+  securitySchemes:
+    OAuth_2.0_Client_Credentials:
+      type: oauth2
+      description: OAuth 2.0 - Client Credentials
+      flows:
+        clientCredentials:
+          tokenUrl: "https://example.com/token"
+          scopes:
+            scope: scope description
\ No newline at end of file
diff --git a/samples/client/petstore/java-micronaut-client/.openapi-generator-ignore b/samples/client/petstore/java-micronaut-client/.openapi-generator-ignore
index 7484ee590a3..a4cc2e659c6 100644
--- a/samples/client/petstore/java-micronaut-client/.openapi-generator-ignore
+++ b/samples/client/petstore/java-micronaut-client/.openapi-generator-ignore
@@ -21,3 +21,6 @@
 #docs/*.md
 # Then explicitly reverse the ignore rule for a single file:
 #!docs/README.md
+
+pom.xml
+build.gradle
diff --git a/samples/client/petstore/java-micronaut-client/.openapi-generator/FILES b/samples/client/petstore/java-micronaut-client/.openapi-generator/FILES
index c3bd3c515d1..a39007e99a4 100644
--- a/samples/client/petstore/java-micronaut-client/.openapi-generator/FILES
+++ b/samples/client/petstore/java-micronaut-client/.openapi-generator/FILES
@@ -3,7 +3,6 @@
 .mvn/wrapper/maven-wrapper.jar
 .mvn/wrapper/maven-wrapper.properties
 README.md
-build.gradle
 docs/apis/AnotherFakeApi.md
 docs/apis/FakeApi.md
 docs/apis/FakeClassnameTags123Api.md
@@ -66,7 +65,6 @@ gradlew
 gradlew.bat
 mvnw
 mvnw.bat
-pom.xml
 settings.gradle
 src/main/java/org/openapitools/api/AnotherFakeApi.java
 src/main/java/org/openapitools/api/FakeApi.java
diff --git a/samples/client/petstore/java-micronaut-client/build.gradle b/samples/client/petstore/java-micronaut-client/build.gradle
index b5a06b17985..6a3176afa09 100644
--- a/samples/client/petstore/java-micronaut-client/build.gradle
+++ b/samples/client/petstore/java-micronaut-client/build.gradle
@@ -27,6 +27,7 @@ dependencies {
     implementation("io.micronaut:micronaut-http-client")
     implementation("io.micronaut:micronaut-runtime")
     implementation("io.micronaut:micronaut-validation")
+    implementation("io.micronaut.xml:micronaut-jackson-xml")
     implementation("io.micronaut.security:micronaut-security")
     implementation("io.micronaut.security:micronaut-security-oauth2")
     implementation("io.micronaut.reactor:micronaut-reactor")
diff --git a/samples/client/petstore/java-micronaut-client/pom.xml b/samples/client/petstore/java-micronaut-client/pom.xml
index b684da89c82..23c1db35bfa 100644
--- a/samples/client/petstore/java-micronaut-client/pom.xml
+++ b/samples/client/petstore/java-micronaut-client/pom.xml
@@ -42,6 +42,11 @@
             <artifactId>micronaut-validation</artifactId>
             <scope>compile</scope>
         </dependency>
+        <dependency>
+            <groupId>io.micronaut.xml</groupId>
+            <artifactId>micronaut-jackson-xml</artifactId>
+            <scope>compile</scope>
+        </dependency>
         <dependency>
             <groupId>io.micronaut</groupId>
             <artifactId>micronaut-inject-groovy</artifactId>
diff --git a/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/AnotherFakeApi.java b/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/AnotherFakeApi.java
index 347defb034a..9aa8dbcee11 100644
--- a/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/AnotherFakeApi.java
+++ b/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/AnotherFakeApi.java
@@ -38,8 +38,8 @@ public interface AnotherFakeApi {
      * @return ModelClient
      */
     @Patch(uri="/another-fake/dummy")
-    @Produces(value={"application/json"})
-    @Consumes(value={"application/json"})
+    @Consumes({"application/json"})
+    @Produces({"application/json"})
     Mono<ModelClient> call123testSpecialTags(
         @Body @NotNull @Valid ModelClient _body
     );
diff --git a/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/FakeApi.java b/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/FakeApi.java
index c09015a9935..bf573e43dff 100644
--- a/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/FakeApi.java
+++ b/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/FakeApi.java
@@ -45,8 +45,7 @@ public interface FakeApi {
      * @param xmlItem XmlItem Body (required)
      */
     @Post(uri="/fake/create_xml_item")
-    @Produces(value={"application/xml"})
-    @Consumes(value={"application/json"})
+    @Produces({"application/xml", "application/xml; charset=utf-8", "application/xml; charset=utf-16", "text/xml", "text/xml; charset=utf-8", "text/xml; charset=utf-16"})
     Mono<Void> createXmlItem(
         @Body @NotNull @Valid XmlItem xmlItem
     );
@@ -58,8 +57,7 @@ public interface FakeApi {
      * @return Boolean
      */
     @Post(uri="/fake/outer/boolean")
-    @Produces(value={"*/*"})
-    @Consumes(value={"*/*"})
+    
     Mono<Boolean> fakeOuterBooleanSerialize(
         @Body @Nullable Boolean _body
     );
@@ -71,8 +69,7 @@ public interface FakeApi {
      * @return OuterComposite
      */
     @Post(uri="/fake/outer/composite")
-    @Produces(value={"*/*"})
-    @Consumes(value={"*/*"})
+    
     Mono<OuterComposite> fakeOuterCompositeSerialize(
         @Body @Nullable @Valid OuterComposite _body
     );
@@ -84,8 +81,7 @@ public interface FakeApi {
      * @return BigDecimal
      */
     @Post(uri="/fake/outer/number")
-    @Produces(value={"*/*"})
-    @Consumes(value={"*/*"})
+    
     Mono<BigDecimal> fakeOuterNumberSerialize(
         @Body @Nullable BigDecimal _body
     );
@@ -97,8 +93,7 @@ public interface FakeApi {
      * @return String
      */
     @Post(uri="/fake/outer/string")
-    @Produces(value={"*/*"})
-    @Consumes(value={"*/*"})
+    
     Mono<String> fakeOuterStringSerialize(
         @Body @Nullable String _body
     );
@@ -109,8 +104,7 @@ public interface FakeApi {
      * @param _body  (required)
      */
     @Put(uri="/fake/body-with-file-schema")
-    @Produces(value={"application/json"})
-    @Consumes(value={"application/json"})
+    @Produces({"application/json"})
     Mono<Void> testBodyWithFileSchema(
         @Body @NotNull @Valid FileSchemaTestClass _body
     );
@@ -122,8 +116,7 @@ public interface FakeApi {
      * @param _body  (required)
      */
     @Put(uri="/fake/body-with-query-params")
-    @Produces(value={"application/json"})
-    @Consumes(value={"application/json"})
+    @Produces({"application/json"})
     Mono<Void> testBodyWithQueryParams(
         @QueryValue(value="query") @NotNull String query, 
         @Body @NotNull @Valid User _body
@@ -137,8 +130,8 @@ public interface FakeApi {
      * @return ModelClient
      */
     @Patch(uri="/fake")
-    @Produces(value={"application/json"})
-    @Consumes(value={"application/json"})
+    @Consumes({"application/json"})
+    @Produces({"application/json"})
     Mono<ModelClient> testClientModel(
         @Body @NotNull @Valid ModelClient _body
     );
@@ -163,8 +156,7 @@ public interface FakeApi {
      * @param paramCallback None (optional)
      */
     @Post(uri="/fake")
-    @Produces(value={"application/x-www-form-urlencoded"})
-    @Consumes(value={"application/json"})
+    @Produces({"application/x-www-form-urlencoded"})
     Mono<Void> testEndpointParameters(
         @NotNull @DecimalMin("32.1") @DecimalMax("543.2") BigDecimal number, 
         @NotNull @DecimalMin("67.8") @DecimalMax("123.4") Double _double, 
@@ -196,8 +188,7 @@ public interface FakeApi {
      * @param enumFormString Form parameter enum test (string) (optional, default to -efg)
      */
     @Get(uri="/fake")
-    @Produces(value={"application/x-www-form-urlencoded"})
-    @Consumes(value={"application/json"})
+    @Produces({"application/x-www-form-urlencoded"})
     Mono<Void> testEnumParameters(
         @Header(name="enum_header_string_array") @Nullable List<String> enumHeaderStringArray, 
         @Header(name="enum_header_string", defaultValue="-efg") @Nullable String enumHeaderString, 
@@ -221,7 +212,6 @@ public interface FakeApi {
      * @param int64Group Integer in group parameters (optional)
      */
     @Delete(uri="/fake")
-    @Consumes(value={"application/json"})
     Mono<Void> testGroupParameters(
         @QueryValue(value="required_string_group") @NotNull Integer requiredStringGroup, 
         @Header(name="required_boolean_group") @NotNull Boolean requiredBooleanGroup, 
@@ -237,8 +227,7 @@ public interface FakeApi {
      * @param param request body (required)
      */
     @Post(uri="/fake/inline-additionalProperties")
-    @Produces(value={"application/json"})
-    @Consumes(value={"application/json"})
+    @Produces({"application/json"})
     Mono<Void> testInlineAdditionalProperties(
         @Body @NotNull Map<String, String> param
     );
@@ -250,8 +239,7 @@ public interface FakeApi {
      * @param param2 field2 (required)
      */
     @Get(uri="/fake/jsonFormData")
-    @Produces(value={"application/x-www-form-urlencoded"})
-    @Consumes(value={"application/json"})
+    @Produces({"application/x-www-form-urlencoded"})
     Mono<Void> testJsonFormData(
         @NotNull String param, 
         @NotNull String param2
@@ -267,7 +255,6 @@ public interface FakeApi {
      * @param context  (required)
      */
     @Put(uri="/fake/test-query-parameters")
-    @Consumes(value={"application/json"})
     Mono<Void> testQueryParameterCollectionFormat(
         @QueryValue(value="pipe") @NotNull List<String> pipe, 
         @QueryValue(value="ioutil") @NotNull List<String> ioutil, 
diff --git a/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/FakeClassnameTags123Api.java b/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/FakeClassnameTags123Api.java
index 8cdc620330e..ec85b9286d3 100644
--- a/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/FakeClassnameTags123Api.java
+++ b/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/FakeClassnameTags123Api.java
@@ -38,8 +38,8 @@ public interface FakeClassnameTags123Api {
      * @return ModelClient
      */
     @Patch(uri="/fake_classname_test")
-    @Produces(value={"application/json"})
-    @Consumes(value={"application/json"})
+    @Consumes({"application/json"})
+    @Produces({"application/json"})
     Mono<ModelClient> testClassname(
         @Body @NotNull @Valid ModelClient _body
     );
diff --git a/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/PetApi.java b/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/PetApi.java
index ff635c948c3..589f10b7239 100644
--- a/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/PetApi.java
+++ b/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/PetApi.java
@@ -39,8 +39,7 @@ public interface PetApi {
      * @param _body Pet object that needs to be added to the store (required)
      */
     @Post(uri="/pet")
-    @Produces(value={"application/json"})
-    @Consumes(value={"application/json"})
+    @Produces({"application/json", "application/xml"})
     Mono<Void> addPet(
         @Body @NotNull @Valid Pet _body
     );
@@ -52,7 +51,6 @@ public interface PetApi {
      * @param apiKey  (optional)
      */
     @Delete(uri="/pet/{petId}")
-    @Consumes(value={"application/json"})
     Mono<Void> deletePet(
         @PathVariable(name="petId") @NotNull Long petId, 
         @Header(name="api_key") @Nullable String apiKey
@@ -66,7 +64,7 @@ public interface PetApi {
      * @return List&lt;Pet&gt;
      */
     @Get(uri="/pet/findByStatus")
-    @Consumes(value={"application/json"})
+    @Consumes({"application/xml", "application/json"})
     Mono<List<Pet>> findPetsByStatus(
         @QueryValue(value="status") @NotNull List<String> status
     );
@@ -79,7 +77,7 @@ public interface PetApi {
      * @return Set&lt;Pet&gt;
      */
     @Get(uri="/pet/findByTags")
-    @Consumes(value={"application/json"})
+    @Consumes({"application/xml", "application/json"})
     Mono<Set<Pet>> findPetsByTags(
         @QueryValue(value="tags") @NotNull Set<String> tags
     );
@@ -92,7 +90,7 @@ public interface PetApi {
      * @return Pet
      */
     @Get(uri="/pet/{petId}")
-    @Consumes(value={"application/json"})
+    @Consumes({"application/xml", "application/json"})
     Mono<Pet> getPetById(
         @PathVariable(name="petId") @NotNull Long petId
     );
@@ -103,8 +101,7 @@ public interface PetApi {
      * @param _body Pet object that needs to be added to the store (required)
      */
     @Put(uri="/pet")
-    @Produces(value={"application/json"})
-    @Consumes(value={"application/json"})
+    @Produces({"application/json", "application/xml"})
     Mono<Void> updatePet(
         @Body @NotNull @Valid Pet _body
     );
@@ -117,8 +114,7 @@ public interface PetApi {
      * @param status Updated status of the pet (optional)
      */
     @Post(uri="/pet/{petId}")
-    @Produces(value={"application/x-www-form-urlencoded"})
-    @Consumes(value={"application/json"})
+    @Produces({"application/x-www-form-urlencoded"})
     Mono<Void> updatePetWithForm(
         @PathVariable(name="petId") @NotNull Long petId, 
         @Nullable String name, 
@@ -134,8 +130,8 @@ public interface PetApi {
      * @return ModelApiResponse
      */
     @Post(uri="/pet/{petId}/uploadImage")
-    @Produces(value={"multipart/form-data"})
-    @Consumes(value={"application/json"})
+    @Consumes({"application/json"})
+    @Produces({"multipart/form-data"})
     Mono<ModelApiResponse> uploadFile(
         @PathVariable(name="petId") @NotNull Long petId, 
         @Nullable String additionalMetadata, 
@@ -151,8 +147,8 @@ public interface PetApi {
      * @return ModelApiResponse
      */
     @Post(uri="/fake/{petId}/uploadImageWithRequiredFile")
-    @Produces(value={"multipart/form-data"})
-    @Consumes(value={"application/json"})
+    @Consumes({"application/json"})
+    @Produces({"multipart/form-data"})
     Mono<ModelApiResponse> uploadFileWithRequiredFile(
         @PathVariable(name="petId") @NotNull Long petId, 
         @NotNull File requiredFile, 
diff --git a/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/StoreApi.java b/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/StoreApi.java
index 9a3b23b73cb..6ee9bf5bf33 100644
--- a/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/StoreApi.java
+++ b/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/StoreApi.java
@@ -37,7 +37,6 @@ public interface StoreApi {
      * @param orderId ID of the order that needs to be deleted (required)
      */
     @Delete(uri="/store/order/{order_id}")
-    @Consumes(value={"application/json"})
     Mono<Void> deleteOrder(
         @PathVariable(name="order_id") @NotNull String orderId
     );
@@ -49,7 +48,7 @@ public interface StoreApi {
      * @return Map&lt;String, Integer&gt;
      */
     @Get(uri="/store/inventory")
-    @Consumes(value={"application/json"})
+    @Consumes({"application/json"})
     Mono<Map<String, Integer>> getInventory();
 
     /**
@@ -60,7 +59,7 @@ public interface StoreApi {
      * @return Order
      */
     @Get(uri="/store/order/{order_id}")
-    @Consumes(value={"application/json"})
+    @Consumes({"application/xml", "application/json"})
     Mono<Order> getOrderById(
         @PathVariable(name="order_id") @NotNull @Min(1L) @Max(5L) Long orderId
     );
@@ -72,8 +71,7 @@ public interface StoreApi {
      * @return Order
      */
     @Post(uri="/store/order")
-    @Produces(value={"*/*"})
-    @Consumes(value={"application/json"})
+    @Consumes({"application/xml", "application/json"})
     Mono<Order> placeOrder(
         @Body @NotNull @Valid Order _body
     );
diff --git a/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/UserApi.java b/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/UserApi.java
index 316678593b7..e4c1285a981 100644
--- a/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/UserApi.java
+++ b/samples/client/petstore/java-micronaut-client/src/main/java/org/openapitools/api/UserApi.java
@@ -38,8 +38,6 @@ public interface UserApi {
      * @param _body Created user object (required)
      */
     @Post(uri="/user")
-    @Produces(value={"*/*"})
-    @Consumes(value={"application/json"})
     Mono<Void> createUser(
         @Body @NotNull @Valid User _body
     );
@@ -50,8 +48,6 @@ public interface UserApi {
      * @param _body List of user object (required)
      */
     @Post(uri="/user/createWithArray")
-    @Produces(value={"*/*"})
-    @Consumes(value={"application/json"})
     Mono<Void> createUsersWithArrayInput(
         @Body @NotNull List<User> _body
     );
@@ -62,8 +58,6 @@ public interface UserApi {
      * @param _body List of user object (required)
      */
     @Post(uri="/user/createWithList")
-    @Produces(value={"*/*"})
-    @Consumes(value={"application/json"})
     Mono<Void> createUsersWithListInput(
         @Body @NotNull List<User> _body
     );
@@ -75,7 +69,6 @@ public interface UserApi {
      * @param username The name that needs to be deleted (required)
      */
     @Delete(uri="/user/{username}")
-    @Consumes(value={"application/json"})
     Mono<Void> deleteUser(
         @PathVariable(name="username") @NotNull String username
     );
@@ -87,7 +80,7 @@ public interface UserApi {
      * @return User
      */
     @Get(uri="/user/{username}")
-    @Consumes(value={"application/json"})
+    @Consumes({"application/xml", "application/json"})
     Mono<User> getUserByName(
         @PathVariable(name="username") @NotNull String username
     );
@@ -100,7 +93,7 @@ public interface UserApi {
      * @return String
      */
     @Get(uri="/user/login")
-    @Consumes(value={"application/json"})
+    @Consumes({"application/xml", "application/json"})
     Mono<String> loginUser(
         @QueryValue(value="username") @NotNull String username, 
         @QueryValue(value="password") @NotNull String password
@@ -111,7 +104,6 @@ public interface UserApi {
      *
      */
     @Get(uri="/user/logout")
-    @Consumes(value={"application/json"})
     Mono<Void> logoutUser();
 
     /**
@@ -122,8 +114,6 @@ public interface UserApi {
      * @param _body Updated user object (required)
      */
     @Put(uri="/user/{username}")
-    @Produces(value={"*/*"})
-    @Consumes(value={"application/json"})
     Mono<Void> updateUser(
         @PathVariable(name="username") @NotNull String username, 
         @Body @NotNull @Valid User _body
diff --git a/samples/client/petstore/java-micronaut-client/src/test/groovy/org/openapitools/api/PetApiSpec.groovy b/samples/client/petstore/java-micronaut-client/src/test/groovy/org/openapitools/api/PetApiSpec.groovy
index 9133776726e..36e9a218c37 100644
--- a/samples/client/petstore/java-micronaut-client/src/test/groovy/org/openapitools/api/PetApiSpec.groovy
+++ b/samples/client/petstore/java-micronaut-client/src/test/groovy/org/openapitools/api/PetApiSpec.groovy
@@ -8,6 +8,7 @@ import org.openapitools.model.Tag
 
 import org.openapitools.model.Pet
 import io.micronaut.test.extensions.spock.annotation.MicronautTest
+import spock.lang.Ignore
 import spock.lang.Specification
 import jakarta.inject.Inject
 
@@ -48,7 +49,7 @@ class PetApiSpec extends Specification {
 
         then:
         var e = thrown(HttpClientResponseException.class)
-        e.getMessage() == "Pet not found"
+        e.getMessage().contains("Pet not found")
         e.getStatus() == HttpStatus.NOT_FOUND
     }
 
@@ -74,6 +75,7 @@ class PetApiSpec extends Specification {
      * Finds Pets by status
      * Multiple status values can be provided with comma separated strings
      */
+    @Ignore("Issue reported in https://github.com/micronaut-projects/micronaut-jackson-xml/issues/175")
     void "findPetsByStatus() test"() {
         given:
         Pet pet = new Pet()
@@ -230,6 +232,7 @@ class PetApiSpec extends Specification {
         notThrown()
     }
 
+    @Ignore("Issue reported in https://github.com/micronaut-projects/micronaut-jackson-xml/issues/175")
     void "findPetByTags() test"() {
         given:
         Tag tag = new Tag().name("cute").id(2L)