[CONFIGURATION-767] NullPointerException in XMLConfiguration#createTransformer() when no FileLocator is set

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.7
• Assignee: Unassigned
• Reporter: Gary D. Gregory
• Created: 03/Nov/19 22:48
• Updated: 03/Nov/19 23:14
• Resolved: 03/Nov/19 23:14

Description

You get a NullPointerException in XMLConfiguration#createTransformer() when no FileLocator is set.

For example:

        XMLConfiguration xmlConfig = new XMLConfiguration();
        xmlConfig.setRootElementName("IAmRoot");
        StringWriter sw = new StringWriter();
        xmlConfig.write(sw);

Yields:

java.lang.NullPointerException
	at org.apache.commons.configuration2.XMLConfiguration.createTransformer(XMLConfiguration.java:884)
	at org.apache.commons.configuration2.XMLConfiguration.write(XMLConfiguration.java:1045)
	...