I don't know what the correct process is in this case. File a bug?
Wim
testServerWithInterrupt(org.eclipse.ua.tests.help.webapp.HelpServerInterrupt) Time elapsed: 0.004 sec <<< ERROR!
java.lang.NoClassDefFoundError: org/eclipse/equinox/http/jetty/JettyConfigurator
at org.eclipse.help.internal.server.JettyHelpServer$StopServerThread.run(JettyHelpServer.java:98)
Caused by: java.lang.ClassNotFoundException: org.eclipse.equinox.http.jetty.JettyConfigurator cannot be found by org.eclipse.help.base_4.2.200.v20180323-1135
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:508)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:419)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:411)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:150)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.eclipse.help.internal.server.JettyHelpServer$StopServerThread.run(JettyHelpServer.java:98)