<div dir="ltr"><div>Thank you for your explanation and examples.</div><div><br></div><div>I created a minimal project that has similar dependencies as the one where I have issues with. Below is the pom.xml.<br></div><div><br></div><div>When I run:</div><div><div>  </div><div>        mvn dependency:list | grep collections</div><div><br></div><div>This is the output:</div><div><br></div><div>        [INFO]    commons-collections:commons-collections:jar:3.2.1:compile</div></div><div><br></div><div>Also, when printing the dependency:tree I see that there is only one commons-collections: 3.2.1</div><div><br></div><div>I think I might fix this by include more depedencies? (and end up with one that has a higher commons-collections version), but I strive to include as few as possible...</div><div><br></div><div>-Rob</div><div><br></div><div><br></div><div>---- pom.xml ----</div><div><br></div><div><br></div><div><br></div><div><project xmlns="<a href="http://maven.apache.org/POM/4.0.0">http://maven.apache.org/POM/4.0.0</a>" xmlns:xsi="<a href="http://www.w3.org/2001/XMLSchema-instance">http://www.w3.org/2001/XMLSchema-instance</a>"</div><div>  xsi:schemaLocation="<a href="http://maven.apache.org/POM/4.0.0">http://maven.apache.org/POM/4.0.0</a> <a href="http://maven.apache.org/xsd/maven-4.0.0.xsd">http://maven.apache.org/xsd/maven-4.0.0.xsd</a>"></div><div>  <modelVersion>4.0.0</modelVersion></div><div><br></div><div>  <groupId>org.audenaerde</groupId></div><div>  <artifactId>samltest</artifactId></div><div>  <version>1.0-SNAPSHOT</version></div><div>  <packaging>jar</packaging></div><div><br></div><div>  <name>samltest</name></div><div>  <url><a href="http://maven.apache.org">http://maven.apache.org</a></url></div><div>    <properties></div><div>                <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding></div><div>                <opensaml.version>3.3.0</opensaml.version></div><div><br></div><div>        </properties></div><div>        <dependencies></div><div>                <dependency></div><div>                        <groupId>org.opensaml</groupId></div><div>                        <artifactId>opensaml-core</artifactId></div><div>                        <version>${opensaml.version}</version></div><div>                </dependency></div><div>                <dependency></div><div>                        <groupId>org.opensaml</groupId></div><div>                        <artifactId>opensaml-saml-api</artifactId></div><div>                        <version>${opensaml.version}</version></div><div>                </dependency></div><div>                <dependency></div><div>                        <groupId>org.opensaml</groupId></div><div>                        <artifactId>opensaml-saml-impl</artifactId></div><div>                        <version>${opensaml.version}</version></div><div>                </dependency></div><div>                <dependency></div><div>                        <groupId>org.opensaml</groupId></div><div>                        <artifactId>opensaml-messaging-api</artifactId></div><div>                        <version>${opensaml.version}</version></div><div>                </dependency></div><div>                <dependency></div><div>                        <groupId>org.opensaml</groupId></div><div>                        <artifactId>opensaml-messaging-impl</artifactId></div><div>                        <version>${opensaml.version}</version></div><div>                </dependency></div><div>                <dependency></div><div>                        <groupId>org.opensaml</groupId></div><div>                        <artifactId>opensaml-soap-api</artifactId></div><div>                        <version>${opensaml.version}</version></div><div>                </dependency></div><div>                <dependency></div><div>                        <groupId>org.opensaml</groupId></div><div>                        <artifactId>opensaml-soap-impl</artifactId></div><div>                        <version>${opensaml.version}</version></div><div>                </dependency></div><div>                <dependency></div><div>                        <groupId>javax.servlet</groupId></div><div>                        <artifactId>javax.servlet-api</artifactId></div><div>                        <version>3.1.0</version></div><div>                        <scope>provided</scope></div><div>                </dependency></div><div><br></div><div>        </dependencies></div><div><br></div><div></project></div><div><br></div></div>