Bug 19365 ArrayIndexOutOfBounds: editing Build Path .jar
F2 - File -> New -> Project... - Plug-in Development - Plug-in Project -> Next - set name="asd", Next - Next - select Hello World wizard, Next - Finish -> creates new Project "asd" - select it in the Packages view, right-click -> Properties... - go to Java Build Path page - go to contained Libraries tab - select any of the ECLIPSE_HOME... libraries shown in the list - press Edit... - press OK in the subsequent Variable Extension dialog, get the attached exception
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/LibrariesWorkbookPage.java
initializeDialogUnits(parent);
			
			Composite composite= (Composite) super.createDialogArea(parent);
			Composite inner= new Composite(composite, SWT.NONE);
			GridLayout layout= new GridLayout();
			layout.marginHeight= 0;
			layout.marginWidth= 0;
			inner.setLayout(layout);
			
			fLabelField.doFillIntoGrid(inner, 1);
			fCreateFolderField.doFillIntoGrid(inner, 1);
			fAddFolderField.doFillIntoGrid(inner, 1);
			fAddContainerField.doFillIntoGrid(inner, 1);
			Control control= fCombo.getComboControl(inner);
			GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL);
			gd.horizontalIndent= convertWidthInCharsToPixels(3);
			control.setLayoutData(gd);
		
			return composite;
		}
		
		
		/* (non-Javadoc)
		 * @see Dialog#okPressed()
		 */
		protected void okPressed() {
			fResult= null;
			if (fCreateFolderField.isSelected()) {
				fResult= openNewClassFolderDialog(null);
				fAdvSettings.put(DIALOGSTORE_SELECTED, 0);