| org.eclipse.swt.SWTException: Invalid thread access [message #1797876] |
Wed, 07 November 2018 21:37 |
 Andrew Williams
Messages: 2
Registered: November 2018 |
Junior Member |
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Within an eclipse plugin I am trying to create a pop up window that activates within an editor and adds syntax to a string depending on the selection chosen in the pop up window. I have an editor class that extends AbstractTextEditor and within it I am trying to use a keylistener to pop up a window that contains a list of string manipulation functions and then when an item in the list is selected I want to replace some selected content with the new string returned from the method in the pop up window. When I attempt to do this (with the code in the 2 linked files), I receive the error below:
Exception in thread "AWT-EventQueue-0" org.eclipse.swt.SWTException: Invalid thread access
at org.eclipse.swt.SWT.error(SWT.java:4595)
at org.eclipse.swt.SWT.error(SWT.java:4510)
at org.eclipse.swt.SWT.error(SWT.java:4481)
at org.eclipse.swt.widgets.Widget.error(Widget.java:451)
at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:369)
at org.eclipse.swt.custom.StyledText.getSelectionRange(StyledText.java:4743)
at githubflavoredmarkdowneclipseplugin.MarkdownEditor.test(MarkdownEditor.java:140)
at autocomplete.AutoComplete$1.keyPressed(AutoComplete.java:50)
at java.awt.AWTEventMulticaster.keyPressed(Unknown Source)
at java.awt.Component.processKeyEvent(Unknown Source)
at javax.swing.JComponent.processKeyEvent(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.KeyboardFocusManager.redispatchEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(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$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.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)
It seems that when autoupdate class tries to inform the editor class that a change has been selected it cannot manipulate the styledText variable. Does anyone know how to fix this?
The two files that contain this code are attached
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