Coaching for people managers

If you are getting the the NPE whle creating the TableViewer and your stack trace looks somewhat like this: java.lang.NullPointerException at org.eclipse.jface.viewers.ViewerColumn.refresh(ViewerColumn.java:145) at org.eclipse.jface.viewers.AbstractTableViewer.doUpdateItem(AbstractTableViewer.java:399) at org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run(StructuredViewer.java:481) at org.eclipse.jface.util.SafeRunnable$1.run(SafeRunnable.java:128) at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) at org.eclipse.jface.viewers.StructuredViewer.updateItem(StructuredViewer.java:2111) at org.eclipse.jface.viewers.AbstractTableViewer.createItem(AbstractTableViewer.java:277) at org.eclipse.jface.viewers.AbstractTableViewer.internalRefreshAll(AbstractTableViewer.java:757) at org.eclipse.jface.viewers.AbstractTableViewer.internalRefresh(AbstractTableViewer.java:649) at org.eclipse.jface.viewers.AbstractTableViewer.internalRefresh(Abstra