--- xalan-c-1.11_original/c/src/xalanc/PlatformSupport/XSLException.cpp	2014-05-29 22:27:20.366792350 +0200
+++ xalan-c-1.11_patched/c/src/xalanc/PlatformSupport/XSLException.cpp	2014-05-29 22:56:01.136185453 +0200
@@ -41,11 +41,7 @@
             const Locator*          theLocator) :
     m_memoryManager(theManager),
     m_message(theMessage, theManager),
-    m_uri(
-        XalanLocator::getSystemId(
-            theLocator,
-            &s_dummy),
-        theManager),
+    m_uri(theLocator == 0 ? s_dummy : theLocator->getSystemId()),
     m_lineNumber(XalanLocator::getLineNumber(theLocator)),
     m_columnNumber(XalanLocator::getColumnNumber(theLocator)),
     m_formatted(false)