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-rw-r--r--org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/commands/actions/DebugCommandService.java13
1 files changed, 9 insertions, 4 deletions
diff --git a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/commands/actions/DebugCommandService.java b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/commands/actions/DebugCommandService.java
index dcfc2e279..817aa1906 100644
--- a/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/commands/actions/DebugCommandService.java
+++ b/org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/commands/actions/DebugCommandService.java
@@ -1,5 +1,5 @@
/*******************************************************************************
- * Copyright (c) 2006, 2013 IBM Corporation and others.
+ * Copyright (c) 2006, 2019 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
@@ -65,11 +65,16 @@ public class DebugCommandService implements IDebugContextListener {
* @param window the window
* @return service
*/
- public synchronized static DebugCommandService getService(IWorkbenchWindow window) {
+ public static DebugCommandService getService(IWorkbenchWindow window) {
DebugCommandService service = fgServices.get(window);
if (service == null) {
- service = new DebugCommandService(window);
- fgServices.put(window, service);
+ synchronized (fgServices) {
+ service = fgServices.get(window);
+ if (service == null) {
+ service = new DebugCommandService(window);
+ fgServices.put(window, service);
+ }
+ }
}
return service;
}

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