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java.lang.ClassNotFoundException: com.stampysoft.ant.j2me.UpdateJARSizeTask	at org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader.java:1075)	at org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1036)	at org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:925)	at java.lang.ClassLoader.loadClass(Unknown Source)	at org.apache.tools.ant.taskdefs.Definer.addDefinition(Definer.java:230)	at org.apache.tools.ant.taskdefs.Definer.execute(Definer.java:162)	at org.apache.tools.ant.helper.ProjectHelperImpl$TaskHandler.finished(ProjectHelperImpl.java:821)	at org.apache.tools.ant.helper.ProjectHelperImpl$AbstractHandler.endElement(ProjectHelperImpl.java:300)	at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)	at org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source)	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown Source)	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)	at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)	at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)	at org.apache.tools.ant.helper.ProjectHelperImpl.parse(ProjectHelperImpl.java:155)	at org.apache.tools.ant.ProjectHelper.configureProject(ProjectHelper.java:117)	at org.apache.tools.ant.Main.runBuild(Main.java:596)	at org.apache.tools.ant.Main.start(Main.java:196)	at org.apache.tools.ant.Main.main(Main.java:235)