IntelliJ IDEA: NPE in LiveIssueCache

SonarQube for IDE IntelliJ Platform
1

IntelliJ IDEA reports this exception:

org.sonarlint.intellij.issue.persistence.LiveIssueCache@38007983

java.lang.NullPointerException
	at org.sonarsource.sonarlint.core.client.api.connected.objectstore.HashingPathMapper.toHash(HashingPathMapper.java:65)
	at org.sonarsource.sonarlint.core.client.api.connected.objectstore.HashingPathMapper.apply(HashingPathMapper.java:53)
	at org.sonarsource.sonarlint.core.client.api.connected.objectstore.HashingPathMapper.apply(HashingPathMapper.java:30)
	at org.sonarlint.intellij.issue.persistence.IndexedObjectStore.write(IndexedObjectStore.java:109)
	at org.sonarlint.intellij.issue.persistence.IssuePersistence.save(IssuePersistence.java:74)
	at org.sonarlint.intellij.issue.persistence.LiveIssueCache.lambda$flushAll$0(LiveIssueCache.java:105)
	at java.base/java.util.LinkedHashMap.forEach(LinkedHashMap.java:684)
	at org.sonarlint.intellij.issue.persistence.LiveIssueCache.flushAll(LiveIssueCache.java:101)
	at org.sonarlint.intellij.issue.persistence.LiveIssueCache.projectClosed(LiveIssueCache.java:118)
	at com.intellij.openapi.project.impl.ProjectManagerImpl.fireProjectClosed(ProjectManagerImpl.java:878)
	at com.intellij.openapi.project.impl.ProjectManagerImpl.lambda$closeProject$17(ProjectManagerImpl.java:757)
	at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:885)
	at com.intellij.openapi.project.impl.ProjectManagerImpl.closeProject(ProjectManagerImpl.java:750)
	at com.intellij.openapi.project.impl.ProjectManagerImpl.closeAndDispose(ProjectManagerImpl.java:781)
	at com.intellij.openapi.wm.impl.CloseProjectWindowHelper.closeProjectAndShowWelcomeFrameIfNoProjectOpened(CloseProjectWindowHelper.kt:44)
	at com.intellij.openapi.wm.impl.CloseProjectWindowHelper.windowClosing(CloseProjectWindowHelper.kt:32)
	at com.intellij.openapi.wm.impl.ProjectFrameHelper$2.windowClosing(ProjectFrameHelper.java:282)
	at java.desktop/java.awt.AWTEventMulticaster.windowClosing(AWTEventMulticaster.java:357)
	at java.desktop/java.awt.AWTEventMulticaster.windowClosing(AWTEventMulticaster.java:357)
	at java.desktop/java.awt.Window.processWindowEvent(Window.java:2079)
	at java.desktop/javax.swing.JFrame.processWindowEvent(JFrame.java:298)
	at java.desktop/java.awt.Window.processEvent(Window.java:2038)
	at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5026)
	at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321)
	at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2773)
	at java.desktop/java.awt.Component.dispatchEvent(Component.java:4858)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:778)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:727)
	at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:95)
	at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:751)
	at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:749)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
	at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:748)
	at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:908)
	at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:781)
	at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:424)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:698)
	at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:423)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
2

Hello, thank you for your feedback.

If I understand correctly, this can happen when closing a window/project.

Ticket created!

1 Like
3

Yes, I was opening / closing project and all of a sudden noticed the red exclamation mark indicating a plugin stacktrace.