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POClassNotFound exception using Jackson ObjectMapper
 

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    <p>I have a Spring 3 MVC app that I am setting up some ajax actions for. My controller action looks like this:</p> <pre><code>@RequestMapping(value="add", method=RequestMethod.POST) @Secured("ROLE_USER") @ResponseStatus(HttpStatus.CREATED) public @ResponseBody Plan addPlan(@RequestBody Plan plan, Principal principal) { //Save the plan } </code></pre> <p>When I post the Plan data from my browser the app throws a ClassNotFound exception:</p> <pre><code>java.lang.ClassNotFoundException: org.joda.time.ReadableInstant not found by jackson-mapper-asl [176] at org.apache.felix.framework.ModuleImpl.findClassOrResourceByDelegation(ModuleImpl.java:787) at org.apache.felix.framework.ModuleImpl.access$400(ModuleImpl.java:71) at org.apache.felix.framework.ModuleImpl$ModuleClassLoader.loadClass(ModuleImpl.java:1768) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) </code></pre> <p>The Plan object itself does not contain any joda-date types. Though it contains a collection of objects that do. Originally I was pulling in the joda-date jar via my DOA jar but the error persists even if I add a direct dependency to my web project's pom.xml. I'm using the joda classes elsewhere in this project without any issue.</p> <p><strong>Additional information</strong> Here are the relevant dependencies from my web pom.xml:</p> <pre><code>&lt;dependency&gt; &lt;groupId&gt;joda-time&lt;/groupId&gt; &lt;artifactId&gt;joda-time&lt;/artifactId&gt; &lt;version&gt;2.0&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.codehaus.jackson&lt;/groupId&gt; &lt;artifactId&gt;jackson-core-asl&lt;/artifactId&gt; &lt;version&gt;1.9.3&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.codehaus.jackson&lt;/groupId&gt; &lt;artifactId&gt;jackson-mapper-asl&lt;/artifactId&gt; &lt;version&gt;1.9.3&lt;/version&gt; &lt;/dependency&gt; </code></pre>
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    1. COCan you post relevant portion of your POM? One thing you can always do to verify is unzip your WAR and make sure the Joda jar is in the WEB-INF lib folder
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    2. COAre you deploying your webapp into an OSGi server?
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    3. CO@Perception I added a chunk of my pom above. I have verified that the joda-time jar is in my war file.
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