empty property name in mapping file gives imcomprehensible error message ------------------------------------------------------------------------ Key: HHH-1339 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1339 Project: Hibernate Core Issue Type: Improvement Components: core Affects Versions: 3.1 Environment: hibernate 3.1 Reporter: Loren Rosen Assignee: Steve Ebersole Priority: Minor Fix For: 3.1.1 If you have a line in a hibernate mapping file like this: <property name="" /> the result is this error message: Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out of range: 0 at java.lang.String.charAt(String.java:444) at org.hibernate.mapping.Column.setName(Column.java:60) at org.hibernate.cfg.HbmBinder.bindColumns(HbmBinder.java:1033) at org.hibernate.cfg.HbmBinder.bindColumnsOrFormula(HbmBinder.java:1437) at org.hibernate.cfg.HbmBinder.bindSimpleValue(HbmBinder.java:1069) at org.hibernate.cfg.HbmBinder.createClassProperties(HbmBinder.java:1982) at org.hibernate.cfg.HbmBinder.createClassProperties(HbmBinder.java:1940) at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:324) at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:238) at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:109) at org.hibernate.cfg.Configuration.add(Configuration.java:385) at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:426) at org.hibernate.cfg.Configuration.addResource(Configuration.java:481) at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1443) at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1411) at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1392) at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1368) at org.hibernate.cfg.Configuration.configure(Configuration.java:1288) at org.hibernate.cfg.Configuration.configure(Configuration.java:1274) at com.loren.SimpleExample.startHibernate(SimpleExample.java:37) at com.loren.SimpleExample.main(SimpleExample.java:45) The user should get a clearer error message, not a strack trace that looks like an internal hibernate programming error.