diff --git a/samples/server/petstore/jaxrs-cxf-annotated-base-path/pom.xml b/samples/server/petstore/jaxrs-cxf-annotated-base-path/pom.xml
index fdf67835380..9cadde2c712 100644
--- a/samples/server/petstore/jaxrs-cxf-annotated-base-path/pom.xml
+++ b/samples/server/petstore/jaxrs-cxf-annotated-base-path/pom.xml
@@ -6,6 +6,8 @@
   <name>cxf-annotated-basepath</name>
   <description>This is a sample server Petstore server. For this sample, you can use the api key &#x60;special-key&#x60; to test the authorization filters.</description>
   <version>1.0.0</version>
+
+
   <build>
     <sourceDirectory>src/main/java</sourceDirectory>
     <plugins>
diff --git a/samples/server/petstore/jaxrs-cxf-cdi-default-value/pom.xml b/samples/server/petstore/jaxrs-cxf-cdi-default-value/pom.xml
index bbaaa6ee50b..4b8ee0f1827 100644
--- a/samples/server/petstore/jaxrs-cxf-cdi-default-value/pom.xml
+++ b/samples/server/petstore/jaxrs-cxf-cdi-default-value/pom.xml
@@ -6,6 +6,7 @@
     <name>jaxrs-cxf-cdi-default-value</name>
     <version>1.0.0</version>
 
+
     <build>
         <!-- Main source directory -->
         <sourceDirectory>src/main/java</sourceDirectory>
diff --git a/samples/server/petstore/jaxrs-cxf-cdi/pom.xml b/samples/server/petstore/jaxrs-cxf-cdi/pom.xml
index b0301c7d565..e924d7a7910 100644
--- a/samples/server/petstore/jaxrs-cxf-cdi/pom.xml
+++ b/samples/server/petstore/jaxrs-cxf-cdi/pom.xml
@@ -6,6 +6,7 @@
     <name>openapi-jaxrs-cxf-cdi-server</name>
     <version>1.0.0</version>
 
+
     <build>
         <!-- Main source directory -->
         <sourceDirectory>src/main/java</sourceDirectory>
diff --git a/samples/server/petstore/jaxrs-cxf-non-spring-app/pom.xml b/samples/server/petstore/jaxrs-cxf-non-spring-app/pom.xml
index b9dac41ac45..668a0a3f507 100644
--- a/samples/server/petstore/jaxrs-cxf-non-spring-app/pom.xml
+++ b/samples/server/petstore/jaxrs-cxf-non-spring-app/pom.xml
@@ -6,6 +6,8 @@
   <name>cxf-server-non-spring</name>
   <description>This is a sample server Petstore server. For this sample, you can use the api key &#x60;special-key&#x60; to test the authorization filters.</description>
   <version>1.0.0</version>
+
+
   <build>
     <sourceDirectory>src/main/java</sourceDirectory>
     <plugins>
diff --git a/samples/server/petstore/jaxrs-cxf/pom.xml b/samples/server/petstore/jaxrs-cxf/pom.xml
index 176ad140ef9..ae4de62e07c 100644
--- a/samples/server/petstore/jaxrs-cxf/pom.xml
+++ b/samples/server/petstore/jaxrs-cxf/pom.xml
@@ -6,6 +6,8 @@
   <name>openapi-cxf-server</name>
   <description>This spec is mainly for testing Petstore server and contains fake endpoints, models. Please do not use this for any other purpose. Special characters: \&quot; \\</description>
   <version>1.0.0</version>
+
+
   <build>
     <sourceDirectory>src/main/java</sourceDirectory>
     <plugins>
diff --git a/samples/server/petstore/jaxrs-datelib-j8/pom.xml b/samples/server/petstore/jaxrs-datelib-j8/pom.xml
index ad23b7368dc..006d336efa5 100644
--- a/samples/server/petstore/jaxrs-datelib-j8/pom.xml
+++ b/samples/server/petstore/jaxrs-datelib-j8/pom.xml
@@ -6,6 +6,7 @@
   <name>openapi-jaxrs-server</name>
   <version>1.0.0</version>
 
+
   <licenses>
     <license>
       <name>Unlicense</name>
diff --git a/samples/server/petstore/jaxrs-jersey/pom.xml b/samples/server/petstore/jaxrs-jersey/pom.xml
index 2dff2535681..d3cde5f366d 100644
--- a/samples/server/petstore/jaxrs-jersey/pom.xml
+++ b/samples/server/petstore/jaxrs-jersey/pom.xml
@@ -6,6 +6,7 @@
   <name>openapiv3-jaxrs-jersey-petstore-server</name>
   <version>1.0.0</version>
 
+
   <licenses>
     <license>
       <name>Unlicense</name>
diff --git a/samples/server/petstore/jaxrs-resteasy/default-value/pom.xml b/samples/server/petstore/jaxrs-resteasy/default-value/pom.xml
index d819f54c5b0..23fba0b0d9e 100644
--- a/samples/server/petstore/jaxrs-resteasy/default-value/pom.xml
+++ b/samples/server/petstore/jaxrs-resteasy/default-value/pom.xml
@@ -6,6 +6,7 @@
     <packaging>war</packaging>
     <name>jaxrs-resteasy-default-value</name>
     <version>1.0.0</version>
+
     <build>
         <sourceDirectory>src/main/java</sourceDirectory>
         <plugins>
diff --git a/samples/server/petstore/jaxrs-resteasy/default/pom.xml b/samples/server/petstore/jaxrs-resteasy/default/pom.xml
index d8a441c6292..95c2c1342eb 100644
--- a/samples/server/petstore/jaxrs-resteasy/default/pom.xml
+++ b/samples/server/petstore/jaxrs-resteasy/default/pom.xml
@@ -6,6 +6,7 @@
     <packaging>war</packaging>
     <name>openapi-jaxrs-resteasy-server</name>
     <version>1.0.0</version>
+
     <build>
         <sourceDirectory>src/main/java</sourceDirectory>
         <plugins>
diff --git a/samples/server/petstore/jaxrs-resteasy/eap-java8/pom.xml b/samples/server/petstore/jaxrs-resteasy/eap-java8/pom.xml
index 13d16f18958..9abc115ec5b 100644
--- a/samples/server/petstore/jaxrs-resteasy/eap-java8/pom.xml
+++ b/samples/server/petstore/jaxrs-resteasy/eap-java8/pom.xml
@@ -6,6 +6,8 @@
     <packaging>war</packaging>
     <name>jaxrs-resteasy-eap-java8-server</name>
     <version>1.0.0</version>
+
+
     <build>
         <sourceDirectory>src/main/java</sourceDirectory>
         <plugins>
diff --git a/samples/server/petstore/jaxrs-resteasy/eap-joda/pom.xml b/samples/server/petstore/jaxrs-resteasy/eap-joda/pom.xml
index a3d73b7a272..6b25997d1c8 100644
--- a/samples/server/petstore/jaxrs-resteasy/eap-joda/pom.xml
+++ b/samples/server/petstore/jaxrs-resteasy/eap-joda/pom.xml
@@ -6,6 +6,8 @@
     <packaging>war</packaging>
     <name>jaxrs-resteasy-eap-joda-server</name>
     <version>1.0.0</version>
+
+
     <build>
         <sourceDirectory>src/main/java</sourceDirectory>
         <plugins>
diff --git a/samples/server/petstore/jaxrs-resteasy/eap/pom.xml b/samples/server/petstore/jaxrs-resteasy/eap/pom.xml
index 8d1f2fcd4e8..ff234bc266e 100644
--- a/samples/server/petstore/jaxrs-resteasy/eap/pom.xml
+++ b/samples/server/petstore/jaxrs-resteasy/eap/pom.xml
@@ -6,6 +6,8 @@
     <packaging>war</packaging>
     <name>openapi-jaxrs-resteasy-eap-server</name>
     <version>1.0.0</version>
+
+
     <build>
         <sourceDirectory>src/main/java</sourceDirectory>
         <plugins>
diff --git a/samples/server/petstore/jaxrs-resteasy/java8/pom.xml b/samples/server/petstore/jaxrs-resteasy/java8/pom.xml
index 593e8e8df20..2fecf534a14 100644
--- a/samples/server/petstore/jaxrs-resteasy/java8/pom.xml
+++ b/samples/server/petstore/jaxrs-resteasy/java8/pom.xml
@@ -6,6 +6,7 @@
     <packaging>war</packaging>
     <name>jaxrs-resteasy-java8-server</name>
     <version>1.0.0</version>
+
     <build>
         <sourceDirectory>src/main/java</sourceDirectory>
         <plugins>
diff --git a/samples/server/petstore/jaxrs-resteasy/joda/pom.xml b/samples/server/petstore/jaxrs-resteasy/joda/pom.xml
index f64abc28a0b..d539b83828c 100644
--- a/samples/server/petstore/jaxrs-resteasy/joda/pom.xml
+++ b/samples/server/petstore/jaxrs-resteasy/joda/pom.xml
@@ -6,6 +6,7 @@
     <packaging>war</packaging>
     <name>jaxrs-resteasy-joda-server</name>
     <version>1.0.0</version>
+
     <build>
         <sourceDirectory>src/main/java</sourceDirectory>
         <plugins>
diff --git a/samples/server/petstore/jaxrs-spec-interface/pom.xml b/samples/server/petstore/jaxrs-spec-interface/pom.xml
index c61519163ed..33f4064e9d4 100644
--- a/samples/server/petstore/jaxrs-spec-interface/pom.xml
+++ b/samples/server/petstore/jaxrs-spec-interface/pom.xml
@@ -5,6 +5,8 @@
   <packaging>jar</packaging>
   <name>jaxrs-spec-interface-petstore-server</name>
   <version>1.0.0</version>
+
+
   <build>
     <sourceDirectory>src/main/java</sourceDirectory>
     <plugins>
diff --git a/samples/server/petstore/jaxrs-spec/pom.xml b/samples/server/petstore/jaxrs-spec/pom.xml
index 1136eaee5e6..c3216b9b4a6 100644
--- a/samples/server/petstore/jaxrs-spec/pom.xml
+++ b/samples/server/petstore/jaxrs-spec/pom.xml
@@ -5,6 +5,8 @@
   <packaging>war</packaging>
   <name>jaxrs-spec-petstore-server</name>
   <version>1.0.0</version>
+
+
   <build>
     <sourceDirectory>src/main/java</sourceDirectory>
     <plugins>
diff --git a/samples/server/petstore/jaxrs/jersey1-useTags/pom.xml b/samples/server/petstore/jaxrs/jersey1-useTags/pom.xml
index e81c49fa6ce..4730e2d1a86 100644
--- a/samples/server/petstore/jaxrs/jersey1-useTags/pom.xml
+++ b/samples/server/petstore/jaxrs/jersey1-useTags/pom.xml
@@ -5,6 +5,8 @@
   <packaging>jar</packaging>
   <name>jaxrs-jersey1-useTags</name>
   <version>1.0.0</version>
+
+
   <build>
     <sourceDirectory>src/main/java</sourceDirectory>
     <plugins>
diff --git a/samples/server/petstore/jaxrs/jersey1/pom.xml b/samples/server/petstore/jaxrs/jersey1/pom.xml
index 26bca359561..76be24bcdad 100644
--- a/samples/server/petstore/jaxrs/jersey1/pom.xml
+++ b/samples/server/petstore/jaxrs/jersey1/pom.xml
@@ -5,6 +5,8 @@
   <packaging>jar</packaging>
   <name>jaxrs-jersey1-server</name>
   <version>1.0.0</version>
+
+
   <build>
     <sourceDirectory>src/main/java</sourceDirectory>
     <plugins>
diff --git a/samples/server/petstore/jaxrs/jersey2-useTags/pom.xml b/samples/server/petstore/jaxrs/jersey2-useTags/pom.xml
index bae73967144..31e30816611 100644
--- a/samples/server/petstore/jaxrs/jersey2-useTags/pom.xml
+++ b/samples/server/petstore/jaxrs/jersey2-useTags/pom.xml
@@ -6,6 +6,7 @@
   <name>jaxrs-jersey2-useTags</name>
   <version>1.0.0</version>
 
+
   <licenses>
     <license>
       <name>Unlicense</name>
diff --git a/samples/server/petstore/jaxrs/jersey2/pom.xml b/samples/server/petstore/jaxrs/jersey2/pom.xml
index 5aa8697f3a1..f46407987ae 100644
--- a/samples/server/petstore/jaxrs/jersey2/pom.xml
+++ b/samples/server/petstore/jaxrs/jersey2/pom.xml
@@ -6,6 +6,7 @@
   <name>jaxrs-jersey-petstore-server</name>
   <version>1.0.0</version>
 
+
   <licenses>
     <license>
       <name>Unlicense</name>