jdaugherty opened a new issue, #408: URL: https://github.com/apache/grails-intellij-plugin/issues/408
**IDE version, OS**: ### Steps to reproduce 1. Clone [grails-core](https://github.com/apache/grails-core) 2. Open `./grails-core/grails-test-examples/mongodb/springboot/src/main/groovy/example/Book.groovy` 3. Switch to `Domain classes dependencies tab` ### Actual result ```java java.lang.IllegalStateException: @NotNull method com/intellij/openapi/graph/impl/view/JBGraph2DView.getCoarseGridColor must not return null at com.intellij.openapi.graph.impl.view.JBGraph2DView.$$$reportNull$$$0(JBGraph2DView.java) at com.intellij.openapi.graph.impl.view.JBGraph2DView.getCoarseGridColor(JBGraph2DView.java:27) at com.intellij.openapi.graph.impl.view.JBBackgroundRenderer.paint(JBBackgroundRenderer.java:89) at y.view.Graph2DCanvas.b(Unknown Source) at y.view.Graph2DCanvas.g(Unknown Source) at y.view.Graph2DCanvas.paintComponent(Unknown Source) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1124) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at com.intellij.openapi.fileEditor.impl.EditorTabs.paintChildren(EditorTabbedContainer.kt:612) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JLayeredPane.paint(JLayeredPane.java:586) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JLayeredPane.paint(JLayeredPane.java:586) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1133) at java.desktop/javax.swing.JLayeredPane.paint(JLayeredPane.java:586) at java.desktop/javax.swing.JComponent.paintChildren(JComponent.java:964) at java.desktop/javax.swing.JComponent.paintToOffscreen(JComponent.java:5326) at java.desktop/javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:256) at java.desktop/javax.swing.RepaintManager.paint(RepaintManager.java:1352) at java.desktop/javax.swing.JComponent.paint(JComponent.java:1110) at java.desktop/java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:39) at java.desktop/sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:75) at java.desktop/sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:112) at java.desktop/java.awt.Container.paint(Container.java:2005) at java.desktop/java.awt.Window.paint(Window.java:3989) at com.intellij.openapi.wm.impl.IdeFrameImpl.paint(IdeFrameImpl.kt:141) at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:898) at java.desktop/javax.swing.RepaintManager$4.run(RepaintManager.java:870) at java.base/java.security.AccessController.doPrivileged(AccessController.java:400) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87) at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:870) at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:843) at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:789) at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1921) at com.intellij.util.concurrency.ChildContext$runInChildContext$1.invoke(propagation.kt:167) at com.intellij.util.concurrency.ChildContext$runInChildContext$1.invoke(propagation.kt:167) at com.intellij.util.concurrency.ChildContext.runInChildContext(propagation.kt:173) at com.intellij.util.concurrency.ChildContext.runInChildContext(propagation.kt:167) at com.intellij.util.concurrency.ContextRunnable.run(ContextRunnable.java:27) at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:318) at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:781) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:728) at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:722) at java.base/java.security.AccessController.doPrivileged(AccessController.java:400) at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87) at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:750) at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.kt:589) at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:486) at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12$lambda$11$lambda$10$lambda$9(IdeEventQueue.kt:311) at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:885) at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12$lambda$11$lambda$10(IdeEventQueue.kt:310) at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$3(IdeEventQueue.kt:962) at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:110) at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:962) at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12(IdeEventQueue.kt:305) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:337) at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207) at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128) at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113) at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105) at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92) ``` ### Expected result No exceptions --- *Imported from [IDEA-373245](https://youtrack.jetbrains.com/issue/IDEA-373245) · Type: Bug · Votes: 0* *Comments, attachments, dates and reporter are not part of the export — follow the link above for the full history.* -- This is an automated message from the Apache 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