GradleWrapperMain ClassNotFoundException:

I am running ./gradelw on windows in cygwin. Im am getting the following error. From what is can tell it gets through installing and finding the distribution but fails when it call the Gradle main function. I am guessing there is is something wrong with an ENV variable but i don’t know what. Can anyone help?

Gradle Version 4.4.1

org.gradle.internal.UncheckedException: java.lang.ClassNotFoundException: org.w3c.dom.ElementTraversal
at org.gradle.internal.UncheckedException.throwAsUncheckedException(UncheckedException.java:63)
at org.gradle.internal.UncheckedException.throwAsUncheckedException(UncheckedException.java:40)
at org.gradle.internal.classloader.ClasspathUtil.getClasspathForClass(ClasspathUtil.java:84)
at org.gradle.internal.classloader.DefaultClassLoaderFactory.createIsolatedClassLoader(DefaultClassLoaderFactory.java:61)
at org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:50)
at org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:37)
at org.gradle.launcher.GradleMain.main(GradleMain.java:23)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.gradle.wrapper.BootstrapMainStarter.start(BootstrapMainStarter.java:31)
at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:108)
at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61)
Caused by: java.lang.ClassNotFoundException: org.w3c.dom.ElementTraversal
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at org.gradle.internal.classloader.ClasspathUtil.getClasspathForClass(ClasspathUtil.java:77)