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Issues using Javassist TypeInfoFactory in other projects
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reply from <a href="http://community.jboss.org/people/kabir.khan%40jboss.com">Kabir Khan</a> in <i>JBoss Microcontainer Development</i> - <a href="http://community.jboss.org/message/534493#534493">View the full discussion</a>
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<div class="jive-rendered-content"><blockquote class="jive-quote"><p>ANIL SALDHANA wrote:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I would probably start here:</p><p>=================================</p><p>on: access denied (java.lang.RuntimePermission accessClassInPackage.sun.reflect)</p><p>at org.jboss.reflect.plugins.javassist.bytecode.JavassistMemberFactory.makeClass(JavassistMemberFactory.java:296)</p><p>at</p><p>======================</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Place a privileged block.</p></blockquote><p>That line is just a rethrow from a catch block:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-java">         <font color="navy"><b>final</b></font> ClassLoader cl = target.getClassPool().getClassLoader();
 
         <font color="navy"><b>return</b></font> AccessController.doPrivileged(<font color="navy"><b>new</b></font> PrivilegedExceptionAction<Class<T>>() <font color="darkgreen">//Line 281</font>
         <font color="navy">{</font>
            <font color="navy"><b>public</b></font> Class<T> run() <font color="navy"><b>throws</b></font> Exception
            <font color="navy">{</font>
               <font color="navy"><b>return</b></font> FactoryHelper.toClass(cf, cl); <font color="darkgreen">//Line 285</font>
            <font color="navy">}</font>
         <font color="navy">}</font>);
 
      <font color="navy">}</font>
      <font color="navy"><b>catch</b></font>(RuntimeException e)
      <font color="navy">{</font>
         <font color="navy"><b>throw</b></font> e;
      <font color="navy">}</font>
      <font color="navy"><b>catch</b></font> (Exception e)
      <font color="navy">{</font>
         <font color="navy"><b>throw</b></font> <font color="navy"><b>new</b></font> RuntimeException(e); <font color="darkgreen">//Line 296</font>
      <font color="navy">}</font>
   <font color="navy">}</font>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>the real work is done here:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Caused by: java.security.PrivilegedActionException: javassist.CannotCompileException: by java.security.AccessControlException: access denied</p><p>(java.lang.RuntimePermission accessClassInPackage.sun.reflect)</p><p>at java.security.AccessController.doPrivileged(Native Method)</p><p>at org.jboss.reflect.plugins.javassist.bytecode.JavassistMemberFactory.makeClass(JavassistMemberFactory.java:281)</p><p>... 55 more</p><p>Caused by: javassist.CannotCompileException: by java.security.AccessControlException: access denied (java.lang.RuntimePermission accessClass</p><p>InPackage.sun.reflect)</p><p>at javassist.util.proxy.FactoryHelper.toClass(FactoryHelper.java:169)</p><p>at javassist.util.proxy.FactoryHelper.toClass(FactoryHelper.java:136)</p><p>at org.jboss.reflect.plugins.javassist.bytecode.JavassistMemberFactory$1.run(JavassistMemberFactory.java:285)</p><p>at org.jboss.reflect.plugins.javassist.bytecode.JavassistMemberFactory$1.run(JavassistMemberFactory.java:1)</p><p><SNIP/></p><p>Caused by: java.security.AccessControlException: access denied (java.lang.RuntimePermission accessClassInPackage.sun.reflect)</p><p>at java.security.AccessControlContext.checkPermission(AccessControlContext.java:323)</p><p>at java.security.AccessController.checkPermission(AccessController.java:546)</p><p>at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)</p><p>at java.lang.SecurityManager.checkPackageAccess(SecurityManager.java:1512)</p><p>at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:327)</p><p>at java.lang.ClassLoader.loadClass(ClassLoader.java:250)</p><p>at org.jboss.test.classloading.vfs.VFSClassLoader.loadClass(VFSClassLoader.java:55)   <---</p><p>at java.lang.ClassLoader.loadClass(ClassLoader.java:250)</p><p>at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:398)</p><p>at java.lang.ClassLoader.defineClass1(Native Method)</p><p>at java.lang.ClassLoader.defineClass(ClassLoader.java:698)</p><p>at java.lang.ClassLoader.defineClass(ClassLoader.java:544)</p><p>at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)</p><p>at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)</p><p>at java.lang.reflect.Method.invoke(Method.java:597)</p><p>at javassist.util.proxy.SecurityActions$6.run(SecurityActions.java:124)</p><p>at java.security.AccessController.doPrivileged(Native Method)</p><p>at javassist.util.proxy.SecurityActions.invokeMethod(SecurityActions.java:121)</p><p>at javassist.util.proxy.FactoryHelper.toClass2(FactoryHelper.java:182)</p><p>at javassist.util.proxy.FactoryHelper.toClass(FactoryHelper.java:163)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I'm not 100% sure, but the marked line would probably be the right place to put it, however that might be a security violation?</p></div>
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