Class loader issues with subreports and OAS

[meatwad]

I'm getting a Class Not Found exception for one of the font jars I've created when I use it in a subreport. As long as it's not in a subreport I'm ok. I'm running on Oracle Application Server 10.1.2.3.0 (jdk 1.4.2.)

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org.springframework.beans.factory.CannotLoadBeanClassException: Cannot find class [net.sf.jasperreports.engine.fonts.SimpleFontFamily] for bean with name 'TimesNewRomanFamily' defined in URL [classloader:/fonts/fonts.xml]; nested exception is java.lang.ClassNotFoundException: net.sf.jasperreports.engine.fonts.SimpleFontFamily
at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1138)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:524)
at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1174)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:222)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:202)
at net.sf.jasperreports.extensions.SpringExtensionsRegistry.findExtensionBeanNames(SpringExtensionsRegistry.java:99)
at net.sf.jasperreports.extensions.SpringExtensionsRegistry.getExtensionBeanNames(SpringExtensionsRegistry.java:90)
at net.sf.jasperreports.extensions.SpringExtensionsRegistry.getExtensions(SpringExtensionsRegistry.java:67)
at net.sf.jasperreports.extensions.DefaultExtensionsRegistry.getExtensions(DefaultExtensionsRegistry.java:103)
at net.sf.jasperreports.engine.fill.JRFillDataset.createScriptlets(JRFillDataset.java:457)
at net.sf.jasperreports.engine.fill.JRFillDataset.setParameterValues(JRFillDataset.java:578)
at net.sf.jasperreports.engine.fill.JRBaseFiller.setParameters(JRBaseFiller.java:1246)
at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:877)
at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:826)
at net.sf.jasperreports.engine.fill.JRFillSubreport.fillSubreport(JRFillSubreport.java:557)
at net.sf.jasperreports.engine.fill.JRSubreportRunnable.run(JRSubreportRunnable.java:59)
at net.sf.jasperreports.engine.fill.JRThreadSubreportRunner.run(JRThreadSubreportRunner.java:205)
at java.lang.Thread.run(Thread.java:534)
Caused by: java.lang.ClassNotFoundException: net.sf.jasperreports.engine.fonts.SimpleFontFamily
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.3.0)].naming.ContextClassLoader.findClass(ContextClassLoader.java:500)
at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.3.0)].naming.ContextClassLoader.loadClass(ContextClassLoader.java:143)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:219)
at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.3.0)].server.ApplicationContextClassLoader.findClass(ApplicationContextClassLoader.java:19)
at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at org.springframework.util.ClassUtils.forName(ClassUtils.java:242)
at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:383)
at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1135)
... 17 more 

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I noticed a similar issue here but there's no mention of subreports or a resolution. Has anyone else encountered something like this or know how I can solve it?

http://jasperforge.org/plugins/espforum/view.php?group_id=102&forumid=103&topicid=67554