HI
Sometimes i get the following exception when draging any component from one location to another within the same form or column. I am using all latest version of the studio & the platform (7.2.2)
java.lang.AssertionError: Session must be locked when getState() is called
at com.vaadin.server.AbstractClientConnector.getState(AbstractClientConnector.java:265)
at com.vaadin.ui.AbstractComponent.getState(AbstractComponent.java:796)
at com.vaadin.ui.AbstractOrderedLayout.getState(AbstractOrderedLayout.java:81)
at com.vaadin.ui.AbstractOrderedLayout.getState(AbstractOrderedLayout.java:41)
at com.vaadin.ui.AbstractComponent.getCaption(AbstractComponent.java:315)
at com.vaadin.ui.GridLayout$OverlapsException.getMessage(GridLayout.java:657)
at java.base/java.lang.Throwable.getLocalizedMessage(Throwable.java:396)
at java.base/java.lang.Throwable.toString(Throwable.java:485)
at java.base/java.lang.String.valueOf(String.java:2951)
at java.base/java.io.PrintWriter.println(PrintWriter.java:837)
at java.base/java.lang.Throwable$WrappedPrintWriter.println(Throwable.java:768)
at java.base/java.lang.Throwable.printStackTrace(Throwable.java:659)
at java.base/java.lang.Throwable.printStackTrace(Throwable.java:725)
at org.apache.log4j.DefaultThrowableRenderer.render(DefaultThrowableRenderer.java:60)
at com.intellij.idea.IdeaLogger.lambda$static$1(IdeaLogger.java:41)
at org.apache.log4j.spi.ThrowableInformation.getThrowableStrRep(ThrowableInformation.java:89)
at org.apache.log4j.spi.LoggingEvent.getThrowableStrRep(LoggingEvent.java:413)
at org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:313)
at org.apache.log4j.RollingFileAppender.subAppend(RollingFileAppender.java:276)
at org.apache.log4j.WriterAppender.append(WriterAppender.java:162)
at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:251)
at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:66)
at org.apache.log4j.Category.callAppenders(Category.java:206)
at org.apache.log4j.Category.forcedLog(Category.java:391)
at org.apache.log4j.Category.warn(Category.java:1060)
at com.intellij.openapi.diagnostic.Log4jBasedLogger.warn(Log4jBasedLogger.java:81)
at com.intellij.idea.IdeaLogger.warn(IdeaLogger.java:95)
at com.haulmont.studio.backend.notifydialog.CubaNotificationsManager.error(CubaNotificationsManager.java:149)
at com.haulmont.studio.backend.notifydialog.CubaNotificationsManager.error(CubaNotificationsManager.java:140)
at com.haulmont.studio.backend.notifydialog.CubaNotificationsManager.error(CubaNotificationsManager.java:133)
at com.haulmont.studio.intellij.ui.sd.designer.dd.JHierarchyDropHandler.importData(JHierarchyDropHandler.java:212)
at java.desktop/javax.swing.TransferHandler$DropHandler.drop(TransferHandler.java:1544)
at java.desktop/java.awt.dnd.DropTarget.drop(DropTarget.java:452)
at java.desktop/javax.swing.TransferHandler$SwingDropTarget.drop(TransferHandler.java:1282)
at java.desktop/sun.awt.dnd.SunDropTargetContextPeer.processDropMessage(SunDropTargetContextPeer.java:547)
at java.desktop/sun.lwawt.macosx.CDropTargetContextPeer.processDropMessage(CDropTargetContextPeer.java:129)
at java.desktop/sun.awt.dnd.SunDropTargetContextPeer$EventDispatcher.dispatchDropEvent(SunDropTargetContextPeer.java:863)
at java.desktop/sun.awt.dnd.SunDropTargetContextPeer$EventDispatcher.dispatchEvent(SunDropTargetContextPeer.java:787)
at java.desktop/sun.awt.dnd.SunDropTargetEvent.dispatch(SunDropTargetEvent.java:48)
at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4891)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2321)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4858)
at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4918)
at java.desktop/java.awt.LightweightDispatcher.processDropTargetEvent(Container.java:4621)
at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4483)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2307)
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:878)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:823)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:466)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:704)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:465)
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)