Hello,
I'm unable to add a WebLogic Server 10.3.6 in OEPE 12.2.1.8
From a fresh OEPE 12.2.1.8 and a fresh WLS 10.3.6 (zip version from https://www.oracle.com/technetwork/middleware/weblogic/downloads/wls-main-097127.html )
Add server > choose "Oracle WebLogic Server" > next > chose WLS & JDK,, Next button is always disabled !
I've tried with JDK 6, 7 and 8, but also with a WLS 10.3.6 installed with the installer (with Middleware)
Please help (or tell me how to report a bug)

Eclipse log show a NullPointerException :
!MESSAGE Unhandled event loop exception
!STACK 0
java.lang.NullPointerException
at oracle.eclipse.tools.weblogic.server.internal.WeblogicServerRuntime.getVMInstall(WeblogicServerRuntime.java:396)
at oracle.eclipse.tools.weblogic.server.internal.WeblogicServerRuntime.validate(WeblogicServerRuntime.java:144)
at oracle.eclipse.tools.weblogic.ui.server.internal.WeblogicServerRuntimeWizardFragment.validateImpl(WeblogicServerRuntimeWizardFragment.java:183)
at oracle.eclipse.tools.weblogic.ui.server.internal.WeblogicServerRuntimeWizardFragment.validate(WeblogicServerRuntimeWizardFragment.java:175)
at oracle.eclipse.tools.weblogic.ui.server.internal.BaseWizardFragment.updateFragment(BaseWizardFragment.java:146)
at oracle.eclipse.tools.weblogic.ui.server.internal.WeblogicServerRuntimeWizardFragment$5.widgetSelected(WeblogicServerRuntimeWizardFragment.java:317)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:249)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4428)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4238)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3817)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:818)
at org.eclipse.jface.window.Window.open(Window.java:794)
at org.eclipse.wst.server.ui.internal.cnf.ServersView2$1.widgetSelected(ServersView2.java:116)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:249)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:86)
at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4428)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1079)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1103)
at org.eclipse.swt.widgets.Widget.sendSelectionEvent(Widget.java:1120)
at org.eclipse.swt.widgets.Link.WM_LBUTTONUP(Link.java:1035)
at org.eclipse.swt.widgets.Control.windowProc(Control.java:4880)
at org.eclipse.swt.widgets.Display.windowProc(Display.java:5178)
at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2560)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3815)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1150)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1039)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:153)
at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:680)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:336)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:594)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:148)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:151)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:388)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:243)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
at org.eclipse.equinox.launcher.Main.run(Main.java:1499)