We have some code that uses XPathFactory.newInstance(). The code tests fine
in the Eclipse debugger, but when we perform a Maven build and deploy the
WAR to Tomcat, XPathFactory.newInstance() throws a NullPointerException:
java.lang.NullPointerException
at
javax.xml.xpath.XPathFactoryFinder._newFactory(XPathFactoryFinder.java:222)
at
javax.xml.xpath.XPathFactoryFinder.newFactory(XPathFactoryFinder.java:143)
at javax.xml.xpath.XPathFactory.newInstance(XPathFactory.java:185)
at javax.xml.xpath.XPathFactory.newInstance(XPathFactory.java:99)
at
com.myorg.myapp.ws.notification.impl.ExtnMessagePatternFilter.accepts(ExtnMessagePatternFilter.java:69)
at
org.apache.muse.ws.notification.impl.FilterCollection.accepts(FilterCollection.java:64)
at
com.myorg.myapp.ws.notification.impl.BufferedSubscriptionManager.publish(BufferedSubscriptionManager.java:73)
at
com.myorg.myapp.ws.notification.impl.NewsNotificationProducer.publish(NewsNotificationProducer.java:38)
at
org.apache.muse.ws.notification.impl.SimpleNotificationProducer.publish(SimpleNotificationProducer.java:420)
at com.myorg.myapp.ws.handler.DDSHandler.run(DDSHandler.java:304)
at
com.myorg.commons.util.reactor.ReactorAdapter.run(ReactorAdapter.java:19)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
Any ideas what may be going wrong?
-David
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