Comparison method violates its general contract!

Hi,

I have a problem with the tags; infact inside the gateway does not work in the tag the valueChanged.
When I create a new project in the output console I have this error:
Exception in thread “AWT-EventQueue-2” java.lang.IllegalArgumentException: Comparison method violates its general contract!
at java.util.TimSort.mergeHi(Unknown Source)
at java.util.TimSort.mergeAt(Unknown Source)
at java.util.TimSort.mergeForceCollapse(Unknown Source)
at java.util.TimSort.sort(Unknown Source)
at java.util.Arrays.sort(Unknown Source)
at sun.awt.datatransfer.DataTransferer.setToSortedDataFlavorArray(Unknown Source)
at sun.awt.datatransfer.DataTransferer.getFlavorsForFormatsAsArray(Unknown Source)
at sun.awt.datatransfer.SunClipboard.getAvailableDataFlavors(Unknown Source)
at com.inductiveautomation.ignition.designer.sqltags.dialog.TagBrowserPanel$TagBrowserActionHandler.canPaste(TagBrowserPanel.java:468)
at com.inductiveautomation.ignition.designer.IgnitionDesigner$Handler.updateEditActions(IgnitionDesigner.java:2832)
at com.inductiveautomation.ignition.designer.IgnitionDesigner$Handler$SetEditActionHandler.run(IgnitionDesigner.java:3072)
at com.inductiveautomation.ignition.designer.IgnitionDesigner$Handler$4.actionPerformed(IgnitionDesigner.java:2214)
at javax.swing.Timer.fireActionPerformed(Unknown Source)
at javax.swing.Timer$DoPostEvent.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$500(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Exception in thread “AWT-EventQueue-2” java.lang.IllegalArgumentException: Comparison method violates its general contract!
at java.util.TimSort.mergeHi(Unknown Source)
at java.util.TimSort.mergeAt(Unknown Source)
at java.util.TimSort.mergeForceCollapse(Unknown Source)
at java.util.TimSort.sort(Unknown Source)
at java.util.Arrays.sort(Unknown Source)
at sun.awt.datatransfer.DataTransferer.setToSortedDataFlavorArray(Unknown Source)
at sun.awt.datatransfer.DataTransferer.getFlavorsForFormatsAsArray(Unknown Source)
at sun.awt.datatransfer.SunClipboard.getAvailableDataFlavors(Unknown Source)
at com.inductiveautomation.ignition.designer.sqltags.dialog.TagBrowserPanel$TagBrowserActionHandler.canPaste(TagBrowserPanel.java:468)
at com.inductiveautomation.ignition.designer.IgnitionDesigner$Handler.updateEditActions(IgnitionDesigner.java:2832)
at com.inductiveautomation.ignition.designer.IgnitionDesigner$Handler.stateChanged(IgnitionDesigner.java:2838)
at com.inductiveautomation.ignition.designer.model.AbstractEditActionHandler.fireChangeEvent(AbstractEditActionHandler.java:37)
at com.inductiveautomation.ignition.designer.sqltags.dialog.TagBrowserPanel$TagBrowserActionHandler.valueChanged(TagBrowserPanel.java:453)
at javax.swing.JTree.fireValueChanged(Unknown Source)
at javax.swing.JTree$TreeSelectionRedirector.valueChanged(Unknown Source)
at javax.swing.tree.DefaultTreeSelectionModel.fireValueChanged(Unknown Source)
at javax.swing.tree.DefaultTreeSelectionModel.notifyPathChange(Unknown Source)
at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPaths(Unknown Source)
at javax.swing.tree.DefaultTreeSelectionModel.setSelectionPath(Unknown Source)
at javax.swing.JTree.setSelectionPath(Unknown Source)
at javax.swing.plaf.basic.BasicTreeUI.selectPathForEvent(Unknown Source)
at javax.swing.plaf.basic.BasicTreeUI$Handler.handleSelection(Unknown Source)
at javax.swing.plaf.basic.BasicTreeUI$Handler.mousePressedDND(Unknown Source)
at javax.swing.plaf.basic.BasicTreeUI$Handler.mousePressed(Unknown Source)
at java.awt.AWTEventMulticaster.mousePressed(Unknown Source)
at java.awt.AWTEventMulticaster.mousePressed(Unknown Source)
at java.awt.AWTEventMulticaster.mousePressed(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.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.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$500(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)

How do I fix?

What version of Ignition are you using? What version of Java on the server?

I solved by uninstalling and reinstalling ignition.

thanks