title: java.lang.NoClassDefFoundError: Could not initialize class javax.crypto.SunJCE_b
body: <p>Does anyone know where this strange Java error comes from? It occurs in Jruby 1.7.8 (running on Java JDK 1.7.0_45 and using the <a href="http://www.oracle.com/technetwork/java/javase/downloads/jce-7-download-432124.html" rel="nofollow">unlimited strength policy files</a>):</p>
  
  <pre><code>java.lang.NoClassDefFoundError: Could not initialize class javax.crypto.SunJCE_b
  </code></pre>
  
  <p>after or during installation with rvm </p>
  
  <pre><code>LoadError: load error: rubygems/security -- java.lang.NoClassDefFoundError: 
        Could not initialize class javax.crypto.SunJCE_b
        require at org/jruby/RubyKernel.java:1084
  </code></pre>