diff --git a/jee-7/pom.xml b/jee-7/pom.xml
index fbf102185d..08c8b5a068 100644
--- a/jee-7/pom.xml
+++ b/jee-7/pom.xml
@@ -384,10 +384,6 @@
         </profile>
     </profiles>
 
-    <prerequisites>
-        <maven>${maven.min.version}</maven>
-    </prerequisites>
-
     <repositories>
         <repository>
             <id>bintray-mvc-spec-maven</id>
diff --git a/jhipster/jhipster-monolithic/pom.xml b/jhipster/jhipster-monolithic/pom.xml
index d82b048798..9708b83a70 100644
--- a/jhipster/jhipster-monolithic/pom.xml
+++ b/jhipster/jhipster-monolithic/pom.xml
@@ -880,10 +880,6 @@
         </profile>
     </profiles>
 
-    <prerequisites>
-        <maven>${maven.version}</maven>
-    </prerequisites>
-
     <properties>
         <argLine>-Djava.security.egd=file:/dev/./urandom -Xmx256m</argLine>
         <assertj.version>3.6.2</assertj.version>
diff --git a/jws/pom.xml b/jws/pom.xml
index 01d9820b42..1970ab9921 100644
--- a/jws/pom.xml
+++ b/jws/pom.xml
@@ -13,20 +13,23 @@
         <version>1.0.0-SNAPSHOT</version>
     </parent>
 
+	<repositories>
+	    <repository>
+	        <id>OpenNMS Repository</id>
+	        <url>http://repo.opennms.org/maven2/</url>
+	    </repository>
+	</repositories>
+
     <dependencies>
         <dependency>
-            <groupId>javax.jnlp</groupId>
+            <groupId>javax.samples.jnlp</groupId>
             <artifactId>jnlp-servlet</artifactId>
             <version>${jnlp-servlet.version}</version>
-            <scope>system</scope>
-            <systemPath>${project.basedir}/java-core-samples-lib/jnlp-servlet.jar</systemPath>
         </dependency>
         <dependency>
-            <groupId>javax.jnlp</groupId>
-            <artifactId>jardiff</artifactId>
-            <version>${jardiff.version}</version>
-            <scope>system</scope>
-            <systemPath>${project.basedir}/java-core-samples-lib/jardiff.jar</systemPath>
+            <groupId>javax.samples.jnlp</groupId>
+            <artifactId>jnlp-jardiff</artifactId>
+            <version>${jnlp-jardiff.version}</version>
         </dependency>
     </dependencies>
 
@@ -81,8 +84,8 @@
     <properties>
         <maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
         <maven-war-plugin.version>3.0.0</maven-war-plugin.version>
-        <jardiff.version>7.0</jardiff.version>
-        <jnlp-servlet.version>7.0</jnlp-servlet.version>
+        <jnlp-jardiff.version>1.6.0</jnlp-jardiff.version>
+        <jnlp-servlet.version>1.6.0</jnlp-servlet.version>
     </properties>
 
 </project>
diff --git a/libraries/pom.xml b/libraries/pom.xml
index a82472d707..b82828e848 100644
--- a/libraries/pom.xml
+++ b/libraries/pom.xml
@@ -726,11 +726,6 @@
             <artifactId>resilience4j-timelimiter</artifactId>
             <version>${resilience4j.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-math3</artifactId>
-            <version>${common-math3.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.knowm.xchart</groupId>
             <artifactId>xchart</artifactId>
diff --git a/spring-swagger-codegen/spring-swagger-codegen-api-client/pom.xml b/spring-swagger-codegen/spring-swagger-codegen-api-client/pom.xml
index aac6fe9843..0129875f60 100644
--- a/spring-swagger-codegen/spring-swagger-codegen-api-client/pom.xml
+++ b/spring-swagger-codegen/spring-swagger-codegen-api-client/pom.xml
@@ -2,11 +2,9 @@
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <groupId>com.baeldung</groupId>
     <artifactId>spring-swagger-codegen-api-client</artifactId>
     <packaging>jar</packaging>
     <name>spring-swagger-codegen-api-client</name>
-    <version>0.0.1-SNAPSHOT</version>
     <url>https://github.com/swagger-api/swagger-codegen</url>
     <description>Swagger Java</description>
     <scm>
@@ -14,9 +12,7 @@
         <developerConnection>scm:git:git@github.com:swagger-api/swagger-codegen.git</developerConnection>
         <url>https://github.com/swagger-api/swagger-codegen</url>
     </scm>
-    <prerequisites>
-        <maven>2.2.0</maven>
-    </prerequisites>
+
     <licenses>
         <license>
             <name>Unlicense</name>
diff --git a/xml/pom.xml b/xml/pom.xml
index 39590711e0..5490f3a89f 100644
--- a/xml/pom.xml
+++ b/xml/pom.xml
@@ -174,12 +174,14 @@
                         </configuration>
                         <executions>
                             <execution>
+                            	<id>process-classes</id>
                                 <phase>process-classes</phase>
                                 <goals>
                                     <goal>bind</goal>
                                 </goals>
                             </execution>
 							<execution>
+								<id>process-test-classes</id>
                                 <phase>process-test-classes</phase>
                                 <goals>
                                     <goal>test-bind</goal>