java.lang.NoSuchMethodError: org.apache.xpath.XPathContext.<init>(Z)V
	at org.apache.xpath.jaxp.XPathImpl.eval(XPathImpl.java:207)
	at org.apache.xpath.jaxp.XPathImpl.evaluate(XPathImpl.java:281)
	at org.scijava.util.XML.xpath(XML.java:176)
	at org.scijava.util.XML.cdata(XML.java:167)
	at net.imagej.util.MediaWikiClient.getPageSource(MediaWikiClient.java:83)
	at net.imagej.updater.util.AvailableSites.getAvailableSites(AvailableSites.java:64)
	at net.imagej.updater.util.AvailableSites.initializeSites(AvailableSites.java:136)
	at net.imagej.updater.util.AvailableSites.initializeAndAddSites(AvailableSites.java:185)
	at net.imagej.ui.swing.updater.ImageJUpdater.run(ImageJUpdater.java:101)
	at fiji.updater.IJ2Updater.run(IJ2Updater.java:63)
	at fiji.updater.Updater.run(Updater.java:30)
	at ij.IJ.runUserPlugIn(IJ.java:201)
	at ij.IJ.runPlugIn(IJ.java:165)
	at ij.Executer.runCommand(Executer.java:131)
	at ij.Executer.run(Executer.java:64)
	at java.lang.Thread.run(Thread.java:695)
java.lang.ClassNotFoundException: imagej.updater.gui.ImageJUpdater
	at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
	at fiji.updater.Updater.run(Updater.java:35)
	at ij.IJ.runUserPlugIn(IJ.java:201)
	at ij.IJ.runPlugIn(IJ.java:165)
	at ij.Executer.runCommand(Executer.java:131)
	at ij.Executer.run(Executer.java:64)
	at java.lang.Thread.run(Thread.java:695)
Falling back to remote updater at http://update.imagej.net/bootstrap.js
java.lang.NoSuchMethodError: org.apache.xpath.XPathContext.<init>(Z)V
	at org.apache.xpath.jaxp.XPathImpl.eval(XPathImpl.java:207)
	at org.apache.xpath.jaxp.XPathImpl.evaluate(XPathImpl.java:281)
	at org.scijava.util.XML.xpath(XML.java:142)
	at org.scijava.util.XML.cdata(XML.java:133)
	at net.imagej.util.MediaWikiClient.getPageSource(MediaWikiClient.java:83)
	at net.imagej.updater.util.AvailableSites.getAvailableSites(AvailableSites.java:64)
	at net.imagej.updater.util.AvailableSites.initializeSites(AvailableSites.java:136)
	at net.imagej.updater.util.AvailableSites.initializeAndAddSites(AvailableSites.java:185)
	at net.imagej.ui.swing.updater.ImageJUpdater.run(ImageJUpdater.java:101)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:57)
	at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:260)
	at sun.org.mozilla.javascript.internal.MemberBox.invoke(MemberBox.java:130)
	at sun.org.mozilla.javascript.internal.NativeJavaMethod.call(NativeJavaMethod.java:188)
	at sun.org.mozilla.javascript.internal.Interpreter.interpretLoop(Interpreter.java:3068)
	at sun.org.mozilla.javascript.internal.Interpreter.interpret(Interpreter.java:2234)
	at sun.org.mozilla.javascript.internal.InterpretedFunction.call(InterpretedFunction.java:136)
	at sun.org.mozilla.javascript.internal.ContextFactory.doTopCall(ContextFactory.java:323)
	at com.sun.script.javascript.RhinoScriptEngine$1.superDoTopCall(RhinoScriptEngine.java:92)
	at com.sun.script.javascript.RhinoScriptEngine$1.doTopCall(RhinoScriptEngine.java:85)
	at sun.org.mozilla.javascript.internal.ScriptRuntime.doTopCall(ScriptRuntime.java:2747)
	at sun.org.mozilla.javascript.internal.InterpretedFunction.exec(InterpretedFunction.java:147)
	at sun.org.mozilla.javascript.internal.Context.evaluateReader(Context.java:1169)
	at com.sun.script.javascript.RhinoScriptEngine.eval(RhinoScriptEngine.java:152)
	at javax.script.AbstractScriptEngine.eval(AbstractScriptEngine.java:232)
	at fiji.updater.Updater.runRemote(Updater.java:83)
	at fiji.updater.Updater.run(Updater.java:41)
	at ij.IJ.runUserPlugIn(IJ.java:201)
	at ij.IJ.runPlugIn(IJ.java:165)
	at ij.Executer.runCommand(Executer.java:131)
	at ij.Executer.run(Executer.java:64)
	at java.lang.Thread.run(Thread.java:695)