I just dowload it, replace changed files with my idea. And try from project view to open Java class for editing.
2002-04-19 18:49:26,171 [ 200897] ERROR - mand.impl.CommandProcessorImpl -
2002-04-19 18:49:26,171 [ 200897] ERROR - mand.impl.CommandProcessorImpl - IntelliJ IDEA 3.0 Build #618
2002-04-19 18:49:26,171 [ 200897] ERROR - mand.impl.CommandProcessorImpl - JDK: 1.3.1_02
2002-04-19 18:49:26,171 [ 200897] ERROR - mand.impl.CommandProcessorImpl - VM: Java HotSpot(TM) Client VM
2002-04-19 18:49:26,171 [ 200897] ERROR - mand.impl.CommandProcessorImpl - Vendor: Sun Microsystems Inc.
2002-04-19 18:49:26,171 [ 200897] ERROR - mand.impl.CommandProcessorImpl - OS: Windows 2000
2002-04-19 18:49:26,171 [ 200897] ERROR - mand.impl.CommandProcessorImpl -
java.lang.NullPointerException
at com.intellij.ide.desktop.impl.z.a(z.java)
at com.intellij.ide.desktop.impl.h.a(h.java:35)
at com.intellij.ide.desktop.impl.IdeDocumentManagerImpl.b(IdeDocumentManagerImpl.java:130)
at com.intellij.ide.desktop.impl.IdeDocumentManagerImpl.a(IdeDocumentManagerImpl.java:124)
at com.intellij.ide.desktop.impl.p.run(p.java)
at com.intellij.command.impl.CommandProcessorImpl.a(CommandProcessorImpl.java:43)
at com.intellij.ide.desktop.impl.IdeDocumentManagerImpl.a(IdeDocumentManagerImpl.java:126)
at com.intellij.ide.projectView.impl.b.mouseClicked(b.java:2)
at java.awt.AWTEventMulticaster.mouseClicked(Unknown Source)
at java.awt.AWTEventMulticaster.mouseClicked(Unknown Source)
at java.awt.AWTEventMulticaster.mouseClicked(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at com.intellij.ide.d.dispatchEvent(d.java:9)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
