RubyMine 2.5 EAP 96.1085/1146 won't launch in OS X Snow Leopard 10.6

Both crash with this error:

2010-09-16 18:04:16,592 [   4841]  ERROR - com.intellij.ide.IdeEventQueue - Error during dispatching of java.awt.event.InvocationEvent[INVOCATION_DEFAULT,runnable=com.intellij.idea.MainImpl$3@1194cf5,notifier=null,catchExceptions=false,when=1284674655531] on apple.awt.CToolkit@b7ad3
java.lang.NoSuchMethodError: com.intellij.util.net.HTTPProxySettingsPanel.getComponent()Ljavax/swing/JComponent;
 at com.intellij.openapi.project.impl.LoginDialogPanel.<init>(LoginDialogPanel.java:70)
 at com.intellij.openapi.project.impl.LoginDialog$1.<init>(LoginDialog.java:42)
 at com.intellij.openapi.project.impl.LoginDialog.initDialog(LoginDialog.java:24)
 at com.intellij.openapi.project.impl.LoginDialog.<init>(LoginDialog.java:15)
 at com.intellij.openapi.project.impl.IdeaServerManagerImpl.requestCredentials(IdeaServerManagerImpl.java:631)
 at com.intellij.openapi.project.impl.IdeaServerManagerImpl.registerApplicationLevelProviders(IdeaServerManagerImpl.java:595)
 at com.intellij.openapi.project.impl.IdeaServerApplicationLoadListener.beforeApplicationLoaded(IdeaServerApplicationLoadListener.java:14)
 at com.intellij.openapi.application.impl.ApplicationImpl.g(ApplicationImpl.java:425)
 at com.intellij.openapi.application.impl.ApplicationImpl.load(ApplicationImpl.java:379)
 at com.intellij.idea.IdeaApplication.run(IdeaApplication.java:99)
 at com.intellij.idea.MainImpl$3.run(MainImpl.java:154)
 at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
 at java.awt.EventQueue.dispatchEvent(EventQueue.java:633)
 at com.intellij.ide.IdeEventQueue.f(IdeEventQueue.java:628)
 at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:509)
 at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:406)
 at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:370)
 at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
 at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
 at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
 at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
 at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
 at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
2010-09-16 18:04:16,603 [   4852]  ERROR - com.intellij.ide.IdeEventQueue - JDK: 1.6.0_20
2010-09-16 18:04:16,603 [   4852]  ERROR - com.intellij.ide.IdeEventQueue - VM: Java HotSpot(TM) Client VM
2010-09-16 18:04:16,604 [   4853]  ERROR - com.intellij.ide.IdeEventQueue - Vendor: Apple Inc.
2010-09-16 18:04:16,604 [   4853]  ERROR - com.intellij.ide.IdeEventQueue - OS: Mac OS X