Commit 8dc957c4 authored by R.W.Majeed's avatar R.W.Majeed
Browse files

more verbose message for NPE

parent 7571f4e6

histream-export/src/main/java/de/sekmi/histream/export/TableParser.java

+3 −1
Original line number Diff line number Diff line
@@ -42,8 +42,10 @@ public class TableParser implements AutoCloseable{ 
		Column[] columns = table.getColumns();

		xpaths = new XPathExpression[columns.length];

		for( int i=0; i<columns.length; i++ ){

			String expr = columns[i].getXPath();

			try {

				xpaths[i] = xpath.compile(columns[i].getXPath());

				Objects.requireNonNull(expr, "xpath required for column "+table.getId()+"."+columns[i].getHeader());

				xpaths[i] = xpath.compile(expr);

			} catch (XPathExpressionException e) {

				throw new ExportException("Unable to compile XPath expression for "+table.getId()+"."+columns[i].getHeader(), e);

			}