description:
exception is thrown out when run chartwizardlauncher.

build number:
2.6.0.v20100304-0630

steps to reproduce:
1. run org.eclipse.birt.chart.examples\chartwizardlauncher.java.

expected result:
no exception.

actual result:
exception is thrown out.
error log:
org.eclipse.emf.ecore.resource.resource$iowrappedexception at:
org.eclipse.emf.ecore.xmi.impl.xmlloadimpl.load(xmlloadimpl.java:201)
org.eclipse.emf.ecore.xmi.impl.xmlresourceimpl.doload(xmlresourceimpl.java:180)
org.eclipse.emf.ecore.resource.impl.resourceimpl.load(resourceimpl.java:1494)
org.eclipse.birt.chart.model.impl.serializerimpl.read(serializerimpl.java:244)
org.eclipse.birt.chart.examples.builder.chartwizardlauncher.launch(chartwizardlauncher.java:70)
org.eclipse.birt.chart.examples.builder.chartwizardlauncher.main(chartwizardlauncher.java:215)

caused by:premature end of file.
org.apache.xerces.util.errorhandlerwrapper.createsaxparseexception(unknown source)
org.apache.xerces.util.errorhandlerwrapper.fatalerror(unknown source)
org.apache.xerces.impl.xmlerrorreporter.reporterror(unknown source)
org.apache.xerces.impl.xmlerrorreporter.reporterror(unknown source)
org.apache.xerces.impl.xmlerrorreporter.reporterror(unknown source)
org.apache.xerces.impl.xmlversiondetector.determinedocversion(unknown source)
org.apache.xerces.parsers.xml11configuration.parse(unknown source)
org.apache.xerces.parsers.xml11configuration.parse(unknown source)
org.apache.xerces.parsers.xmlparser.parse(unknown source)
org.apache.xerces.parsers.abstractsaxparser.parse(unknown source)
org.apache.xerces.jaxp.saxparserimpl$jaxpsaxparser.parse(unknown source)
org.apache.xerces.jaxp.saxparserimpl.parse(unknown source)
org.eclipse.emf.ecore.xmi.impl.xmlloadimpl.load(xmlloadimpl.java:181)
org.eclipse.emf.ecore.xmi.impl.xmlresourceimpl.doload(xmlresourceimpl.java:180)
org.eclipse.emf.ecore.resource.impl.resourceimpl.load(resourceimpl.java:1494)
org.eclipse.birt.chart.model.impl.serializerimpl.read(serializerimpl.java:244)
org.eclipse.birt.chart.examples.builder.chartwizardlauncher.launch(chartwizardlauncher.java:70)
org.eclipse.birt.chart.examples.builder.chartwizardlauncher.main
java.lang.nullpointerexception at:
org.eclipse.birt.chart.ui.swt.wizard.taskselecttype.dopreview(taskselecttype.java:1926)
org.eclipse.birt.chart.ui.swt.wizard.taskselecttype.createcontrol(taskselecttype.java:247)
fixed. caused by code refactoring. updated the sample wizard accordingly.
for the data binding issue, open a new entry #304771.

no exception is thrown out any more. verified in code, closed.