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Asked: 2026-06-10T11:53:22+00:00

I am having trouble getting XPath to work reliably in an OSGi context. When

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I am having trouble getting XPath to work reliably in an OSGi context. When XPathFactory.newInstance is called, the following code is run (in javax.xml.xpath.XPathFactory):

classLoader = XPathFactory.class.getClassLoader()

The classLoader resolves to null, which causes problems subsequently when the correct XPath implementation is looked up.

I am exporting the sun and com.sun packages to help with previous problems with XPath classloading where internal Sun classes couldn’t be found:

org.osgi.framework.bootdelegation=sun.*,com.sun.*

I’m using Felix.

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1 Answer

  1. Editorial Team

    The null classloader is the bootstrap classloader. Such a class was loaded from the bootstrap class path. This is true even when not using OSGi.

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