[ 
http://jira.codehaus.org/browse/JIBX-299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=180632#action_180632
 ] 

Nigel Charman commented on JIBX-299:
------------------------------------

I'm guessing you're missing jibx-run.jar from the classpath passed to the bind 
task. See the following from http://jibx.sourceforge.net/bindcomp.html:

One issue to note with the Ant task is that if you're using default values 
you'll need to include the jibx-run.jar from the distribution in the classpath 
passed when you invoke the task:

  <!-- Run JiBX binding compiler -->
  <bind verbose="true" load="true" binding="binding.xml">
    <classpath>
      <pathelement path="classes"/>
      <pathelement location="${jibx-lib}/jibx-run.jar"/>
    </classpath>
  </bind> 


> Setting default on an optional boolean value causes compiler error
> ------------------------------------------------------------------
>
>                 Key: JIBX-299
>                 URL: http://jira.codehaus.org/browse/JIBX-299
>             Project: JiBX
>          Issue Type: Bug
>          Components: core
>    Affects Versions: JiBX 1.1.6
>         Environment: Ubuntu 9.04, running Ant build from Eclipse as a project 
> builder.
>            Reporter: Colin Sharples
>
> I have an optional boolean property where I want the default value to be true 
> rather than false, so I put in a binding like this:
>     <value name="stationary" field="stationary" style="attribute" 
> usage="optional" default="true" />
> This gave the following compiler error:
>      [bind] *** Error during code generation for file 'binding.xml' - please 
> enter a bug report for this error in Jira if the problem is not listed as 
> fixed on the online status page ***
>      [bind] org.jibx.runtime.JiBXException: Deserializer class 
> org.jibx.runtime.Utility not found for converting default value
>      [bind]   at 
> org.jibx.binding.def.PrimitiveStringConversion.convertDefault(PrimitiveStringConversion.java:412)
>      [bind]   at 
> org.jibx.binding.def.PrimitiveStringConversion.derive(PrimitiveStringConversion.java:508)
>      [bind]   at 
> org.jibx.binding.def.BindingBuilder.unmarshalValue(BindingBuilder.java:650)
>      [bind]   at 
> org.jibx.binding.def.BindingBuilder.unmarshalStructureChildren(BindingBuilder.java:848)
>      [bind]   at 
> org.jibx.binding.def.BindingBuilder.unmarshalMapping(BindingBuilder.java:1651)
>      [bind]   at 
> org.jibx.binding.def.BindingBuilder.unmarshalMappings(BindingBuilder.java:983)
>      [bind]   at 
> org.jibx.binding.def.BindingBuilder.unmarshalBindingDefinition(BindingBuilder.java:1799)
>      [bind]   at org.jibx.binding.Utility.loadBinding(Utility.java:293)
>      [bind]   at org.jibx.binding.Utility.loadFileBinding(Utility.java:413)
>      [bind]   at org.jibx.binding.Compile.compile(Compile.java:296)
>      [bind]   at 
> org.jibx.binding.ant.CompileTask.execute(CompileTask.java:248)
>      [bind]   at 
> org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
>      [bind]   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>      [bind]   at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>      [bind]   at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>      [bind]   at java.lang.reflect.Method.invoke(Method.java:597)
>      [bind]   at 
> org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)
>      [bind]   at org.apache.tools.ant.Task.perform(Task.java:348)
>      [bind]   at org.apache.tools.ant.Target.execute(Target.java:357)
>      [bind]   at org.apache.tools.ant.Target.performTasks(Target.java:385)
>      [bind]   at 
> org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
>      [bind]   at org.apache.tools.ant.Project.executeTarget(Project.java:1298)
>      [bind]   at 
> org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
>      [bind]   at 
> org.eclipse.ant.internal.ui.antsupport.EclipseDefaultExecutor.executeTargets(EclipseDefaultExecutor.java:32)
>      [bind]   at 
> org.apache.tools.ant.Project.executeTargets(Project.java:1181)
>      [bind]   at 
> org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.run(InternalAntRunner.java:423)
>      [bind]   at 
> org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.main(InternalAntRunner.java:137)
> I then put in the type as follows, and got:
>     <value name="stationary" field="stationary" style="attribute" 
> usage="optional" default="true" type="boolean.default" />
>      [bind] Error: Unable to load class boolean.default; on value element at 
> (line 95, col 124, in binding.xml)
> It sounds like something is up with the classpath, but both the bind and the 
> runtime jars are definitely on the ant task's classpath.

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