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After changes below were integrated IDE is freezed for tens of seconds when PrintPreviewAction is doing something in AWT thread. It broke the commit validation suite since build #5388. To reproduce: - create java project - wait until scanning is finished - select project node in the Projects view - click the File main menu item and IDE is freezed for several seconds (see attached thread dump). yaroslavskiy: [Issue 120853] Print Project Action [The file was modified] 1.7 print/src/org/netbeans/modules/print/impl/action/PrintPreviewAction.java [The file was modified] 1.19 print/src/org/netbeans/modules/print/impl/ui/Preview.java [The file was modified] 1.4 print/src/org/netbeans/modules/print/impl/util/UI.java
Created attachment 55552 [details] Thread dump.
fixed: cvs commit -m"[Issue 125979] PrintPreviewAction blocks event queue for several seconds" Checking in impl/action/PrintPreviewAction.java; /cvs/print/src/org/netbeans/modules/print/impl/action/PrintPreviewAction.java,v <-- PrintPreviewAction.java new revision: 1.8; previous revision: 1.7 don't get children subnodes of selected nodes recursively.
build #5400 should have changes and pass.
Verified.