Occasionally unable to paste in to code window

Please file a bug at https://youtrack.jetbrains.com/issues/IDEA with idea.log attached (https://intellij-support.jetbrains.com/hc/articles/207241085).

Done. https://youtrack.jetbrains.com/issue/IDEA-169322.

Looking at the logs I can see this:

2017-03-08 09:01:24,791 [58298301] WARN - llij.ide.ClipboardSynchronizer - Java bug #6322854 
java.lang.NullPointerException: Failed to retrieve atom name. 
 at sun.awt.X11.XlibWrapper.XGetAtomName(Native Method) 
 at sun.awt.X11.XAtom.getName(XAtom.java:186) 
 at sun.awt.X11.XDataTransferer.getTargetNameForAtom(XDataTransferer.java:165) 
 at sun.awt.X11.XDataTransferer.getNativeForFormat(XDataTransferer.java:154) 
 at sun.awt.datatransfer.DataTransferer.getFlavorsForFormats(DataTransferer.java:677) 
 at com.intellij.ide.ClipboardSynchronizer$XWinClipboardHandler.a(ClipboardSynchronizer.java:407) 
 at com.intellij.ide.ClipboardSynchronizer$XWinClipboardHandler.areDataFlavorsAvailable(ClipboardSynchronizer.java:331) 
 at com.intellij.ide.ClipboardSynchronizer.areDataFlavorsAvailable(ClipboardSynchronizer.java:99) 
 at com.intellij.ide.CopyPasteManagerEx.areDataFlavorsAvailable(CopyPasteManagerEx.java:77) 
 at com.intellij.ide.CopyPasteManagerEx.getContents(CopyPasteManagerEx.java:244) 
 at com.intellij.openapi.application.ex.ClipboardUtil.getTextInClipboard(ClipboardUtil.java:27) 
 at com.intellij.openapi.application.ClipboardAnalyzeListener.applicationDeactivated(ClipboardAnalyzeListener.java:58) 
 at sun.reflect.GeneratedMethodAccessor184.invoke(Unknown Source) 
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
 at java.lang.reflect.Method.invoke(Method.java:498) 
 at com.intellij.util.messages.impl.MessageBusConnectionImpl.deliverMessage(MessageBusConnectionImpl.java:117) 
 at com.intellij.util.messages.impl.MessageBusImpl.doPumpMessages(MessageBusImpl.java:381) 
 at com.intellij.util.messages.impl.MessageBusImpl.pumpMessages(MessageBusImpl.java:368) 
 at com.intellij.util.messages.impl.MessageBusImpl.sendMessage(MessageBusImpl.java:347) 
 at com.intellij.util.messages.impl.MessageBusImpl.access$200(MessageBusImpl.java:42) 
 at com.intellij.util.messages.impl.MessageBusImpl$2.invoke(MessageBusImpl.java:230) 
 at com.sun.proxy.$Proxy46.applicationDeactivated(Unknown Source) 
 at com.intellij.ide.ApplicationActivationStateManager.updateState(ApplicationActivationStateManager.java:94) 
 at com.intellij.ide.IdeEventQueue.i(IdeEventQueue.java:806) 
 at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:568) 
 at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:391) 
 at java.awt.SentEvent.dispatch(SentEvent.java:70) 
 at java.awt.DefaultKeyboardFocusManager$DefaultKeyboardFocusManagerSentEvent.dispatch(DefaultKeyboardFocusManager.java:217) 
 at java.awt.DefaultKeyboardFocusManager.sendMessage(DefaultKeyboardFocusManager.java:244) 
 at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:755) 
 at com.intellij.ide.IdeKeyboardFocusManager.dispatchEvent(IdeKeyboardFocusManager.java:27) 
 at java.awt.Component.dispatchEventImpl(Component.java:4760) 
 at java.awt.Container.dispatchEventImpl(Container.java:2294) 
 at java.awt.Window.dispatchEventImpl(Window.java:2746) 
 at java.awt.Component.dispatchEvent(Component.java:4711) 
 at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758) 
 at java.awt.EventQueue.access$500(EventQueue.java:97) 
 at java.awt.EventQueue$3.run(EventQueue.java:709) 
 at java.awt.EventQueue$3.run(EventQueue.java:703) 
 at java.security.AccessController.doPrivileged(Native Method) 
 at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) 
 at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90) 
 at java.awt.EventQueue$4.run(EventQueue.java:731) 
 at java.awt.EventQueue$4.run(EventQueue.java:729) 
 at java.security.AccessController.doPrivileged(Native Method) 
 at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) 
 at java.awt.EventQueue.dispatchEvent(EventQueue.java:728) 
 at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:843) 
 at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:679) 
 at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:391) 
 at java.awt.SequencedEvent.dispatch(SequencedEvent.java:128) 
 at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756) 
 at java.awt.EventQueue.access$500(EventQueue.java:97) 
 at java.awt.EventQueue$3.run(EventQueue.java:709) 
 at java.awt.EventQueue$3.run(EventQueue.java:703) 
 at java.security.AccessController.doPrivileged(Native Method) 
 at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) 
 at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:90) 
 at java.awt.EventQueue$4.run(EventQueue.java:731) 
 at java.awt.EventQueue$4.run(EventQueue.java:729) 
 at java.security.AccessController.doPrivileged(Native Method) 
 at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80) 
 at java.awt.EventQueue.dispatchEvent(EventQueue.java:728) 
 at com.intellij.ide.IdeEventQueue.b(IdeEventQueue.java:843) 
 at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:679) 
 at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:391) 
 at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) 
 at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) 
 at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) 
 at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) 
 at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) 
 at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

Thanks, it looks like the same issue as https://youtrack.jetbrains.com/issue/IDEA-78729.