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    <p>The problem was missing Spring Dependencies in my POM file. I initially had the following dependencies in the POM</p> <pre><code> &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-core&lt;/artifactId&gt; &lt;version&gt;${spring.version}&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-context&lt;/artifactId&gt; &lt;version&gt;${spring.version}&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-web&lt;/artifactId&gt; &lt;version&gt;${spring.version}&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-webmvc&lt;/artifactId&gt; &lt;version&gt;${spring.version}&lt;/version&gt; &lt;/dependency&gt; </code></pre> <p>I enabled debugging on tomcat <strong>logging.properties</strong> to see that I was getting a <strong>class ava.lang.NoClassDefFoundError</strong> as I added dependencies (one at a time) the ava.lang.NoClassDefFoundError kept changing until all dependencies were satisfied. The ContextLoaderListener started up OK after that. The dependencies I added are:</p> <pre><code> &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-beans&lt;/artifactId&gt; &lt;version&gt;${spring.version}&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-asm&lt;/artifactId&gt; &lt;version&gt;${spring.version}&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework&lt;/groupId&gt; &lt;artifactId&gt;spring-expression&lt;/artifactId&gt; &lt;version&gt;${spring.version}&lt;/version&gt; &lt;/dependency&gt; &lt;!-- required by Spring --&gt; &lt;dependency&gt; &lt;groupId&gt;commons-logging&lt;/groupId&gt; &lt;artifactId&gt;commons-logging&lt;/artifactId&gt; &lt;version&gt;1.1.1&lt;/version&gt; &lt;/dependency&gt; </code></pre> <p>I</p>
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