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POjava.lang.NoClassDefFoundError: Could not initialize class play.data.format.Formatters
 

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  1. POjava.lang.NoClassDefFoundError: Could not initialize class play.data.format.Formatters
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    <p>I'm using Play 2.1.2 and I want to use dynamic forms. I tried it in my own small hello world project and everything worked fine, but when I use forms in other bigger project I'm getting an exception. Here is my code (in both project is the same):</p> <p><strong>Controller</strong></p> <pre><code>public static Result signInForm() { DynamicForm form = Form.form().bindFromRequest(); //exception on this line return renderJapid(form); } </code></pre> <p><strong>Routes</strong></p> <pre><code>GET /sign-in controllers.Authentication.signInForm() </code></pre> <p>When I go to localhost:9000/sign-in I get this <strong>exception</strong>:</p> <pre><code>Caused by: java.lang.NoClassDefFoundError: Could not initialize class play.data.format.Formatters at play.data.Form.bind(Form.java:320) ~[play-java_2.10.jar:2.1.2] at play.data.DynamicForm.bind(DynamicForm.java:100) ~[play-java_2.10.jar:2.1.2] at play.data.DynamicForm.bindFromRequest(DynamicForm.java:71) ~[play-java_2.10.jar:2.1.2] at controllers.Authentication.signInForm(Authentication.java:310) ~[na:na] at Routes$$anonfun$routes$1$$anonfun$applyOrElse$19$$anonfun$apply$19.apply(routes_routing.scala:305) ~[na:na] at Routes$$anonfun$routes$1$$anonfun$applyOrElse$19$$anonfun$apply$19.apply(routes_routing.scala:305) ~[na:na] </code></pre> <p>Please, can you help me? Where could be the problem? I've checked Global.java and application.conf in both projects but I didn't find anything what could cause this problem.</p> <p><strong>UPDATE</strong>:</p> <p>I've tried to put this code </p> <pre><code>FormattingConversionService fcs = Formatters.conversion; </code></pre> <p>before the line with the dynamic form call. After reloading localhost:9000/sign-in in browser I got this exception on that new line:</p> <pre><code>Caused by: java.lang.NullPointerException: null at play.data.format.Formatters.register(Formatters.java:186) ~[play-java_2.10.jar:2.1.2] at play.data.format.Formatters.&lt;clinit&gt;(Formatters.java:100) ~[play-java_2.10.jar:2.1.2] at controllers.Authentication.signInForm(Authentication.java:310) ~[na:na] at Routes$$anonfun$routes$1$$anonfun$applyOrElse$19$$anonfun$apply$19.apply(routes_routing.scala:305) ~[na:na] at Routes$$anonfun$routes$1$$anonfun$applyOrElse$19$$anonfun$apply$19.apply(routes_routing.scala:305) ~[na:na] at play.core.Router$HandlerInvoker$$anon$6$$anon$2.invocation(Router.scala:175) ~[play_2.10.jar:2.1.2] </code></pre> <p>So it seems that Formatters is in the classpath. But when I hit the reload button in the browser again I get the same NoClassDefFoundError as before (this time on the line which I added).</p>
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