diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/jersey2/ApiClient.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/jersey2/ApiClient.mustache
index 1007a857ca0..24c8b86d30a 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/jersey2/ApiClient.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/jersey2/ApiClient.mustache
@@ -721,6 +721,8 @@ public class ApiClient {
         response = invocationBuilder.method("PATCH", entity);
       } else if ("HEAD".equals(method)) {
         response = invocationBuilder.head();
+      } else if ("TRACE".equals(method)) {
+        response = invocationBuilder.trace();
       } else {
         throw new ApiException(500, "unknown method type " + method);
       }
diff --git a/modules/openapi-generator/src/main/resources/Java/libraries/resteasy/ApiClient.mustache b/modules/openapi-generator/src/main/resources/Java/libraries/resteasy/ApiClient.mustache
index 457abc0e1d8..fa12ff9be3b 100644
--- a/modules/openapi-generator/src/main/resources/Java/libraries/resteasy/ApiClient.mustache
+++ b/modules/openapi-generator/src/main/resources/Java/libraries/resteasy/ApiClient.mustache
@@ -666,6 +666,8 @@ public class ApiClient {
       response = invocationBuilder.header("X-HTTP-Method-Override", "PATCH").post(entity);
     } else if ("HEAD".equals(method)) {
       response = invocationBuilder.head();
+    } else if ("TRACE".equals(method)) {
+      response = invocationBuilder.trace();
     } else {
       throw new ApiException(500, "unknown method type " + method);
     }
diff --git a/samples/client/petstore/java/jersey2-java6/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/jersey2-java6/src/main/java/org/openapitools/client/ApiClient.java
index 2c65b8884f0..91089cc1fc1 100644
--- a/samples/client/petstore/java/jersey2-java6/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/jersey2-java6/src/main/java/org/openapitools/client/ApiClient.java
@@ -705,6 +705,8 @@ public class ApiClient {
         response = invocationBuilder.method("PATCH", entity);
       } else if ("HEAD".equals(method)) {
         response = invocationBuilder.head();
+      } else if ("TRACE".equals(method)) {
+        response = invocationBuilder.trace();
       } else {
         throw new ApiException(500, "unknown method type " + method);
       }
diff --git a/samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/ApiClient.java
index 4a03feb3b8f..d49e4d44440 100644
--- a/samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/jersey2-java8/src/main/java/org/openapitools/client/ApiClient.java
@@ -705,6 +705,8 @@ public class ApiClient {
         response = invocationBuilder.method("PATCH", entity);
       } else if ("HEAD".equals(method)) {
         response = invocationBuilder.head();
+      } else if ("TRACE".equals(method)) {
+        response = invocationBuilder.trace();
       } else {
         throw new ApiException(500, "unknown method type " + method);
       }
diff --git a/samples/client/petstore/java/jersey2/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/jersey2/src/main/java/org/openapitools/client/ApiClient.java
index 4a03feb3b8f..d49e4d44440 100644
--- a/samples/client/petstore/java/jersey2/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/jersey2/src/main/java/org/openapitools/client/ApiClient.java
@@ -705,6 +705,8 @@ public class ApiClient {
         response = invocationBuilder.method("PATCH", entity);
       } else if ("HEAD".equals(method)) {
         response = invocationBuilder.head();
+      } else if ("TRACE".equals(method)) {
+        response = invocationBuilder.trace();
       } else {
         throw new ApiException(500, "unknown method type " + method);
       }
diff --git a/samples/client/petstore/java/resteasy/src/main/java/org/openapitools/client/ApiClient.java b/samples/client/petstore/java/resteasy/src/main/java/org/openapitools/client/ApiClient.java
index 933582c7e04..808d2bfb998 100644
--- a/samples/client/petstore/java/resteasy/src/main/java/org/openapitools/client/ApiClient.java
+++ b/samples/client/petstore/java/resteasy/src/main/java/org/openapitools/client/ApiClient.java
@@ -657,6 +657,8 @@ public class ApiClient {
       response = invocationBuilder.header("X-HTTP-Method-Override", "PATCH").post(entity);
     } else if ("HEAD".equals(method)) {
       response = invocationBuilder.head();
+    } else if ("TRACE".equals(method)) {
+      response = invocationBuilder.trace();
     } else {
       throw new ApiException(500, "unknown method type " + method);
     }