Собсно вот.. Он вылетает в буквальном смысле, когда хочет. Никакой закономерности. Делаю те же действия - его может и не быть. Иногда появляется. Может кто знает что это?
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Exception in thread "AWT-EventQueue-0" java.lang.IllegalStateException: javax.swing.JScrollPane[,0,0,0x0,invalid,hidden,layout=javax.swing.ScrollPaneLayout$UIResource,alignmentX=0.0,alignmentY=0.0,border=javax.swing.plaf.metal.MetalBorders$ScrollPaneBorder@12b6651,flags=16777544,maximumSize=,minimumSize=,preferredSize=,columnHeader=javax.swing.JViewport[,0,0,0x0,invalid,layout=javax.swing.ViewportLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=25165832,maximumSize=,minimumSize=,preferredSize=,isViewSizeSet=false,lastPaintPosition=,scrollUnderway=false],horizontalScrollBar=javax.swing.JScrollPane$ScrollBar[,0,0,0x0,invalid,layout=javax.swing.plaf.metal.MetalScrollBarUI,alignmentX=0.0,alignmentY=0.0,border=,flags=4194632,maximumSize=,minimumSize=,preferredSize=,blockIncrement=10,orientation=HORIZONTAL,unitIncrement=1],horizontalScrollBarPolicy=HORIZONTAL_SCROLLBAR_AS_NEEDED,lowerLeft=,lowerRight=,rowHeader=,upperLeft=,upperRight=,verticalScrollBar=javax.swing.JScrollPane$ScrollBar[,0,0,0x0,invalid,layout=javax.swing.plaf.metal.MetalScrollBarUI,alignmentX=0.0,alignmentY=0.0,border=,flags=4194632,maximumSize=,minimumSize=,preferredSize=,blockIncrement=10,orientation=VERTICAL,unitIncrement=1],verticalScrollBarPolicy=VERTICAL_SCROLLBAR_AS_NEEDED,viewport=javax.swing.JViewport[,0,0,0x0,invalid,layout=javax.swing.ViewportLayout,alignmentX=0.0,alignmentY=0.0,border=,flags=25165832,maximumSize=,minimumSize=,preferredSize=,isViewSizeSet=false,lastPaintPosition=,scrollUnderway=false],viewportBorder=] is not attached to a vertical group
at javax.swing.GroupLayout.checkComponents(GroupLayout.java:1069)
at javax.swing.GroupLayout.prepare(GroupLayout.java:1019)
at javax.swing.GroupLayout.layoutContainer(GroupLayout.java:889)
at java.awt.Container.layout(Container.java:1432)
at java.awt.Container.doLayout(Container.java:1421)
at java.awt.Container.validateTree(Container.java:1519)
at java.awt.Container.validateTree(Container.java:1526)
at java.awt.Container.validateTree(Container.java:1526)
at java.awt.Container.validate(Container.java:1491)
at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.java:635)
at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:127)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
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