diff --git a/build.txt b/build.txt
index 3f6edf1..9a606d0 100644
--- a/build.txt
+++ b/build.txt
@@ -2,10 +2,22 @@
 Building X4O
 
 You need a few software packages;
-- java sdk 1.5 or higher.
+- java 1.5 or higher.
 - maven 3 or higher.
 
 
+-- Run multi jvm test --
+
+todo make maven like;
+note2: this does need maven 3.0.3++ in 3.0.1 there is some java6 classes. 
+
+export JAVA_HOME=/usr/lib/jvm/java-6-openjdk-amd64/;mvn clean test
+export JAVA_HOME=/usr/lib/jvm/java-7-openjdk-amd64/;mvn clean test
+export JAVA_HOME=/usr/lib/jvm/j2sdk1.6-oracle/;mvn clean test
+export JAVA_HOME=/usr/lib/jvm/j2sdk1.7-oracle/;mvn clean test
+export JAVA_HOME=/usr/lib/jvm/jdk1.5.0_22/;~/bin/mvn3/apache-maven-3.0.3/bin/mvn clean test
+#not working;
+#export JAVA_HOME=/usr/lib/jvm/java-1.5.0-gcj-4.7/;~/bin/mvn3/apache-maven-3.0.3/bin/mvn clean test
 
 -- Create package --
 
diff --git a/pom.xml b/pom.xml
index 9163f59..4774867 100644
--- a/pom.xml
+++ b/pom.xml
@@ -96,9 +96,10 @@
     <mockito-all.version>1.9.0</mockito-all.version>
     <testng.version>6.3.1</testng.version>
     <junit.version>4.10</junit.version>
+    <xerces.version>2.10.0</xerces.version><!-- Only needed in jdk1.5 -->
     
     <!-- Application lib versions -->
-    <java.el.version>1.2</java.el.version>
+    <jasper-el.version>6.0.20</jasper-el.version>
     <juel.version>2.1.0</juel.version>
   </properties>
   <build>
@@ -414,6 +415,6 @@
       </plugin>
         </plugins>
       </build>
-    </profile> 
+    </profile>
   </profiles>
 </project>
diff --git a/x4o-core/pom.xml b/x4o-core/pom.xml
index 0390b1b..fab4f6a 100644
--- a/x4o-core/pom.xml
+++ b/x4o-core/pom.xml
@@ -11,14 +11,9 @@
   <description>x4o-core</description>
   <dependencies>
     <dependency>
-      <groupId>javax.el</groupId>
-      <artifactId>el-api</artifactId>
-      <version>${java.el.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>javax.el</groupId>
-      <artifactId>el-ri</artifactId>
-      <version>${java.el.version}</version>
+      <groupId>org.apache.tomcat</groupId>
+      <artifactId>jasper-el</artifactId>
+      <version>${jasper-el.version}</version>
     </dependency>
     <dependency>
       <groupId>de.odysseus.juel</groupId>
@@ -31,7 +26,13 @@
       <artifactId>junit</artifactId>
       <version>${junit.version}</version>
       <scope>test</scope>
-  	</dependency>
+    </dependency>
+    <dependency>
+      <groupId>xerces</groupId>
+      <artifactId>xercesImpl</artifactId>
+      <version>${xerces.version}</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
   <build>
     <pluginManagement>
diff --git a/x4o-core/src/main/java/org/x4o/xml/core/X4OEntityResolver.java b/x4o-core/src/main/java/org/x4o/xml/core/X4OEntityResolver.java
index de33d0e..7063c8a 100644
--- a/x4o-core/src/main/java/org/x4o/xml/core/X4OEntityResolver.java
+++ b/x4o-core/src/main/java/org/x4o/xml/core/X4OEntityResolver.java
@@ -124,7 +124,8 @@ public class X4OEntityResolver implements EntityResolver {
 						in.setSystemId(systemId);
 						return in;
 					} catch (IOException e) {
-						throw new IOException("Could not open: "+schemaFile+" error: "+e.getMessage(),e);
+						// note; IOException(String,Exception) is java6
+						throw new SAXException("Could not open: "+schemaFile+" error: "+e.getMessage(),e);
 					}
 				}
 			}
@@ -142,7 +143,7 @@ public class X4OEntityResolver implements EntityResolver {
 					in.setSystemId(systemId);
 					return in;
 				} catch (IOException e) {
-					throw new IOException("Could not open: "+resource+" error: "+e.getMessage(),e);
+					throw new SAXException("Could not open: "+resource+" error: "+e.getMessage(),e);
 				}
 			}
 		}
@@ -155,7 +156,7 @@ public class X4OEntityResolver implements EntityResolver {
 				in.setSystemId(systemId);
 				return in;
 			} catch (IOException e) {
-				throw new IOException("Could not open: "+systemId+" error: "+e.getMessage(),e);
+				throw new SAXException("Could not open: "+systemId+" error: "+e.getMessage(),e);
 			}
 		}
 		
diff --git a/x4o-core/src/main/java/org/x4o/xml/core/X4OParser.java b/x4o-core/src/main/java/org/x4o/xml/core/X4OParser.java
index be64a49..ed02e62 100644
--- a/x4o-core/src/main/java/org/x4o/xml/core/X4OParser.java
+++ b/x4o-core/src/main/java/org/x4o/xml/core/X4OParser.java
@@ -127,7 +127,7 @@ public class X4OParser extends AbstractXMLParser implements X4OParserSupport {
 		if (name==null) {
 			throw new NullPointerException("Can't add null name.");
 		}
-		if (name.isEmpty()) {
+		if (name.length()==0) {
 			throw new NullPointerException("Can't add empty name.");
 		}
 		if (bean==null) {
diff --git a/x4o-core/src/main/java/org/x4o/xml/core/X4OTagHandler.java b/x4o-core/src/main/java/org/x4o/xml/core/X4OTagHandler.java
index d8bd3a4..e0deb86 100644
--- a/x4o-core/src/main/java/org/x4o/xml/core/X4OTagHandler.java
+++ b/x4o-core/src/main/java/org/x4o/xml/core/X4OTagHandler.java
@@ -220,10 +220,10 @@ public class X4OTagHandler extends DefaultHandler2 {
 			return; // no text
 		}
 		String text = new String(ch,start,length);
-		if (text.isEmpty()) {
+		if (text.length()==0) {
 			return; // no text
 		}
-		if (elementStack.empty()) {
+		if (elementStack.isEmpty()) {
 			return;  // no element
 		}
 		Element e = elementStack.peek();
diff --git a/x4o-core/src/main/java/org/x4o/xml/core/config/X4OLanguageProperty.java b/x4o-core/src/main/java/org/x4o/xml/core/config/X4OLanguageProperty.java
index d169255..b0aff2d 100644
--- a/x4o-core/src/main/java/org/x4o/xml/core/config/X4OLanguageProperty.java
+++ b/x4o-core/src/main/java/org/x4o/xml/core/config/X4OLanguageProperty.java
@@ -208,7 +208,7 @@ public enum X4OLanguageProperty {
 		if (uri==null) {
 			throw new NullPointerException("Can't search null uri.");
 		}
-		if (uri.isEmpty()) {
+		if (uri.length()==0) {
 			throw new IllegalArgumentException("Can't search empty uri.");
 		}
 		if (uri.startsWith(URI_PREFIX)==false)  {
diff --git a/x4o-core/src/main/java/org/x4o/xml/eld/lang/AttributeFromBodyConfigurator.java b/x4o-core/src/main/java/org/x4o/xml/eld/lang/AttributeFromBodyConfigurator.java
index c3740e0..2b50c12 100644
--- a/x4o-core/src/main/java/org/x4o/xml/eld/lang/AttributeFromBodyConfigurator.java
+++ b/x4o-core/src/main/java/org/x4o/xml/eld/lang/AttributeFromBodyConfigurator.java
@@ -48,7 +48,7 @@ public class AttributeFromBodyConfigurator extends AbstractElementConfigurator {
 		if (name==null) {
 			throw new ElementConfiguratorException(this,"name attribute is not set.");
 		}
-		if (name.isEmpty()) {
+		if (name.length()==0) {
 			throw new ElementConfiguratorException(this,"name attribute is empty.");
 		}
 		if (bodyType==null) {
@@ -64,7 +64,7 @@ public class AttributeFromBodyConfigurator extends AbstractElementConfigurator {
 		} else {
 			throw new ElementConfiguratorException(this,"bodyType attribute value is unknown; "+bodyType);
 		}
-		if (value.isEmpty()) {
+		if (value.length()==0) {
 			return;
 		}
 		element.getAttributes().put(name, value);
diff --git a/x4o-core/src/main/java/org/x4o/xml/eld/lang/ElementRefectionBindingHandler.java b/x4o-core/src/main/java/org/x4o/xml/eld/lang/ElementRefectionBindingHandler.java
index 3cb36df..00df63a 100644
--- a/x4o-core/src/main/java/org/x4o/xml/eld/lang/ElementRefectionBindingHandler.java
+++ b/x4o-core/src/main/java/org/x4o/xml/eld/lang/ElementRefectionBindingHandler.java
@@ -65,11 +65,18 @@ public class ElementRefectionBindingHandler extends AbstractElementBindingHandle
 		}
 		Method[] ms = parentObject.getClass().getMethods();
 		for (Method m:ms) {
-			if (method.equalsIgnoreCase(m.getName())) {
+			Class<?>[] types = m.getParameterTypes();
+			if (types.length == 0) {
+				continue;
+			}
+			if (types.length > 1) {
+				continue;
+			}
+			if (types[0].isAssignableFrom(childClass)) {
 				try {
 					m.invoke(parentObject, childObject);
 				} catch (Exception e) {
-					throw new ElementBindingHandlerException("Error in binding beans: "+e.getMessage(),e);
+					throw new ElementBindingHandlerException("Error invoke binding method of: "+getId()+" error: "+e.getMessage(),e);
 				}
 				return;
 			}
diff --git a/x4o-core/src/main/java/org/x4o/xml/eld/xsd/EldXsdXmlGenerator.java b/x4o-core/src/main/java/org/x4o/xml/eld/xsd/EldXsdXmlGenerator.java
index d3f4b4e..519479c 100644
--- a/x4o-core/src/main/java/org/x4o/xml/eld/xsd/EldXsdXmlGenerator.java
+++ b/x4o-core/src/main/java/org/x4o/xml/eld/xsd/EldXsdXmlGenerator.java
@@ -54,7 +54,7 @@ public class EldXsdXmlGenerator {
 		if (ns.getSchemaResource()==null) {
 			throw new NullPointerException("Can't generate xsd for namespace without schemaResource uri: "+ns.getUri());
 		}
-		if (ns.getSchemaResource().isEmpty()) {
+		if (ns.getSchemaResource().length()==0) {
 			throw new NullPointerException("Can't generate xsd for namespace with empty schemaResource uri: "+ns.getUri());
 		}
 	}
diff --git a/x4o-core/src/main/java/org/x4o/xml/impl/DefaultElementObjectPropertyValue.java b/x4o-core/src/main/java/org/x4o/xml/impl/DefaultElementObjectPropertyValue.java
index c9a56b9..9b413fe 100644
--- a/x4o-core/src/main/java/org/x4o/xml/impl/DefaultElementObjectPropertyValue.java
+++ b/x4o-core/src/main/java/org/x4o/xml/impl/DefaultElementObjectPropertyValue.java
@@ -46,6 +46,64 @@ public class DefaultElementObjectPropertyValue implements ElementObjectPropertyV
 
 	private static final long serialVersionUID = 1L;
 	
+	private Logger logger = Logger.getLogger(DefaultElementObjectPropertyValue.class.getName());
+	
+	private Method findMethod(Object object,String parameterName,Object parameter) {
+		
+		// Get class but can be null.
+		Class<?> parameterClass = null;
+		if(parameter!=null) {
+			parameterClass=parameter.getClass();
+		}
+		logger.finer("Trying value: pn="+parameterName+" o="+object+" p="+parameter+"("+parameterClass+")");
+		String parameterNameSet = "set"+parameterName;
+		Method[] methodes = object.getClass().getMethods();
+		Method lastMethodFall = null;
+		for (int i=0;i<methodes.length;i++) {
+			Method method = methodes[i];
+			Class<?>[] types = method.getParameterTypes();
+			if (types.length == 0) {
+				continue;
+			}
+			if (types.length > 1) {
+				continue;
+			}
+			if (method.getName().equalsIgnoreCase(parameterNameSet)) {
+				lastMethodFall = method;
+				if (parameterClass!=null) {
+					// Check for class based parameters.
+					if (types[0].isAssignableFrom(parameterClass)) {
+						logger.finest("Found method type: "+method.getParameterTypes()[0]+" for parameter: "+parameterName);
+						return method;
+					}
+					// Check the native parameter types.
+					if (parameterClass.isAssignableFrom(Boolean.class) && types[0].isAssignableFrom(Boolean.TYPE) ) {
+						return method;
+					}
+					if (parameterClass.isAssignableFrom(Integer.class) && types[0].isAssignableFrom(Integer.TYPE) ) {
+						return method;
+					}
+					if (parameterClass.isAssignableFrom(Long.class) && types[0].isAssignableFrom(Long.TYPE) ) {
+						return method;
+					}
+					if (parameterClass.isAssignableFrom(Double.class) && types[0].isAssignableFrom(Double.TYPE) ) {
+						return method;
+					}
+					if (parameterClass.isAssignableFrom(Float.class) && types[0].isAssignableFrom(Float.TYPE) ) {
+						return method;
+					}
+					if (parameterClass.isAssignableFrom(Byte.class) && types[0].isAssignableFrom(Byte.TYPE) ) {
+						return method;
+					}
+					if (parameterClass.isAssignableFrom(Character.class) && types[0].isAssignableFrom(Character.TYPE) ) {
+						return method;
+					}
+				}
+			}
+		}
+		return lastMethodFall;
+	}
+	
 	/**
 	 * TODO: this function is not completed !!
 	 * 
@@ -59,60 +117,36 @@ public class DefaultElementObjectPropertyValue implements ElementObjectPropertyV
 	 */
 	public void setProperty(Object object,String parameterName,Object parameter) throws ElementObjectPropertyValueException {
 		
-		// a bit hackie
-		Class<?> parameterClass = null;
-		if(parameter!=null) {
-			parameterClass=parameter.getClass();
-		}
-		
-		Logger logger = Logger.getLogger(DefaultElementObjectPropertyValue.class.getName());
-		
-		logger.finer("Trying value: pn="+parameterName+" o="+object+" p="+parameter+"("+parameterClass+")");
-		String parameterNameSet = "set"+parameterName;
-		Method[] methodes = object.getClass().getMethods();
-		Method lastMethod = null;
-		Method lastMethodFall = null;
-		
-		for (int i=0;i<methodes.length;i++) {
-			Method method = methodes[i];
-			if (method.getName().equalsIgnoreCase(parameterNameSet)) {
-				lastMethodFall = method;
-				if (parameterClass!=null && method.getParameterTypes()[0].isAssignableFrom(parameterClass)) {
-					logger.finest("Found method type: "+method.getParameterTypes()[0]+" for parameter: "+parameterName);
-					lastMethod = method;
-					break;	
-				}			
-			}
-		}
-	
-		// old loop is now fallback code
-		if (lastMethod==null && lastMethodFall!=null) {
-			lastMethod=lastMethodFall;
-		}
+		// find the method for the parameter
+		Method lastMethod = findMethod(object,parameterName,parameter);
 		if (lastMethod==null) {
 			logger.finest("No method found, aborting parameter: "+parameterName);
 			return;
 		}
 		
+		// Special case for null value.
 		if (parameter==null) {
 			logger.finest("Found parameter is null Setting method: "+lastMethod.getParameterTypes()[0]+" for parameter: "+parameterName);
 			try {
 				lastMethod.invoke(object,new Object[]{parameter});
+				return;
 			} catch (Exception e) {
 				throw new ElementObjectPropertyValueException(e.getMessage(),e);
 			}
-			return;
 		}
 		
+		// Invoke for class based parameters
 		if (lastMethod.getParameterTypes()[0].isAssignableFrom(parameter.getClass())) {
 			logger.finest("Found parameter type: "+lastMethod.getParameterTypes()[0]+" for parameter: "+parameterName+" setting value: "+parameter);
 			try {
 				lastMethod.invoke(object,new Object[]{parameter});
+				return;
 			} catch (Exception e) {
 				throw new ElementObjectPropertyValueException(e.getMessage(),e);
 			}
-			return;	
-		}			
+		}
+		
+		// Invoke for native based types
 		
 		
 		// not found 2sec try
@@ -140,118 +174,56 @@ public class DefaultElementObjectPropertyValue implements ElementObjectPropertyV
 		Object parameter2 = null;
 		
 		try {
-		DefaultObjectConverterProvider convProvider = new DefaultObjectConverterProvider();
-		convProvider.addDefaults();
-		ObjectConverter conv = convProvider.getObjectConverterForClass(lastMethod.getParameterTypes()[0]);
-		if (conv!=null) {
-			parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
-		}
-		
-		/*
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Integer.class) ) {
-			logger.finest("found Integer");
-			parameter2 = Integer.parseInt(parameter.toString());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Long.class) ) {
-			logger.finest("found Long");
-			parameter2 = Long.parseLong(parameter.toString());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Double.class) ) {
-			logger.finest("found Double");
-			parameter2 = Double.parseDouble(parameter.toString());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Float.class) ) {
-			logger.finest("found Float");
-			parameter2 = Float.parseFloat(parameter.toString());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Byte.class) ) {
-			logger.finest("found Byte");
-			parameter2 = Byte.parseByte(parameter.toString());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Character.class) ) {
-			logger.finest("found Character");
-			parameter2 = new Character(parameter.toString().charAt(0));
-		}		
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Boolean.class) ) {
-			logger.finest("found Boolean");
-			// WARNING: this alway returns a boolean :''(
-			parameter2 = Boolean.parseBoolean(parameter.toString());
-		}*/
-
-		/*
-		 * JAVA NATIVE TYPES:
-		 * 
-		 * TYPE:	Size in bits:
-		 * boolean	8, unsigned
-		 * byte		8
-		 * char		16, unsigned
-		 * short	16
-		 * int		32
-		 * long		64
-		 * float	32
-		 * double	64
-		 * void		n/a
-		 */
-		/*
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Boolean.TYPE) ) {
-			logger.finest("found boolean");
-			parameter2 = Boolean.parseBoolean(parameter.toString());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Integer.TYPE) ) {
-			logger.finest("found int");
-			parameter2 = Integer.parseInt(parameter.toString());
-		}                           
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Long.TYPE) ) {
-			logger.finest("found long");
-			parameter2 = Long.parseLong(parameter.toString());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Double.TYPE) ) {
-			logger.finest("found int");
-			parameter2 = Double.parseDouble(parameter.toString());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Float.TYPE) ) {
-			logger.finest("found float");
-			parameter2 = Float.parseFloat(parameter.toString());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Byte.TYPE) ) {
-			logger.finest("found byte");
-			parameter2 = Byte.parseByte(parameter.toString());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Character.TYPE) ) {
-			logger.finest("found char");
-			parameter2 = new Character(parameter.toString().charAt(0));
-		}
-		*/
-		
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Boolean.TYPE) ) {
-			conv = convProvider.getObjectConverterForClass(Boolean.class);
-			parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Integer.TYPE) ) {
-			conv = convProvider.getObjectConverterForClass(Integer.class);
-			parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Long.TYPE) ) {
-			conv = convProvider.getObjectConverterForClass(Long.class);
-			parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Double.TYPE) ) {
-			conv = convProvider.getObjectConverterForClass(Double.class);
-			parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Float.TYPE) ) {
-			conv = convProvider.getObjectConverterForClass(Float.class);
-			parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Byte.TYPE) ) {
-			conv = convProvider.getObjectConverterForClass(Byte.class);
-			parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
-		}
-		if (lastMethod.getParameterTypes()[0].isAssignableFrom(Character.TYPE) ) {
-			conv = convProvider.getObjectConverterForClass(Character.class);
-			parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
-		}
-		
+			DefaultObjectConverterProvider convProvider = new DefaultObjectConverterProvider();
+			convProvider.addDefaults();
+			ObjectConverter conv = convProvider.getObjectConverterForClass(lastMethod.getParameterTypes()[0]);
+			if (conv!=null) {
+				parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
+			}
+	
+			/*
+			 * JAVA NATIVE TYPES:
+			 * 
+			 * TYPE:	Size in bits:
+			 * boolean	8, unsigned
+			 * byte		8
+			 * char		16, unsigned
+			 * short	16
+			 * int		32
+			 * long		64
+			 * float	32
+			 * double	64
+			 * void		n/a
+			 */
+			if (lastMethod.getParameterTypes()[0].isAssignableFrom(Boolean.TYPE) ) {
+				conv = convProvider.getObjectConverterForClass(Boolean.class);
+				parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
+			}
+			if (lastMethod.getParameterTypes()[0].isAssignableFrom(Integer.TYPE) ) {
+				conv = convProvider.getObjectConverterForClass(Integer.class);
+				parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
+			}
+			if (lastMethod.getParameterTypes()[0].isAssignableFrom(Long.TYPE) ) {
+				conv = convProvider.getObjectConverterForClass(Long.class);
+				parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
+			}
+			if (lastMethod.getParameterTypes()[0].isAssignableFrom(Double.TYPE) ) {
+				conv = convProvider.getObjectConverterForClass(Double.class);
+				parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
+			}
+			if (lastMethod.getParameterTypes()[0].isAssignableFrom(Float.TYPE) ) {
+				conv = convProvider.getObjectConverterForClass(Float.class);
+				parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
+			}
+			if (lastMethod.getParameterTypes()[0].isAssignableFrom(Byte.TYPE) ) {
+				conv = convProvider.getObjectConverterForClass(Byte.class);
+				parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
+			}
+			if (lastMethod.getParameterTypes()[0].isAssignableFrom(Character.TYPE) ) {
+				conv = convProvider.getObjectConverterForClass(Character.class);
+				parameter2 = conv.convertTo(parameter.toString(), Locale.getDefault());
+			}
+			
 		} catch (ObjectConverterException oce) {
 			throw new ElementObjectPropertyValueException(oce.getMessage(),oce);
 		}
diff --git a/x4o-core/src/main/java/org/x4o/xml/impl/config/DefaultX4OLanguageConfiguration.java b/x4o-core/src/main/java/org/x4o/xml/impl/config/DefaultX4OLanguageConfiguration.java
index fa31109..a3bfcc5 100644
--- a/x4o-core/src/main/java/org/x4o/xml/impl/config/DefaultX4OLanguageConfiguration.java
+++ b/x4o-core/src/main/java/org/x4o/xml/impl/config/DefaultX4OLanguageConfiguration.java
@@ -71,13 +71,13 @@ public class DefaultX4OLanguageConfiguration implements X4OLanguageConfiguration
 		if (language==null) {
 			throw new NullPointerException("language may not be null");
 		}
-		if (language.isEmpty()) {
+		if (language.length()==0) {
 			throw new IllegalArgumentException("language may not be empty");
 		}
 		if (languageVersion==null) {
 			throw new NullPointerException("languageVersion may not be null");
 		}
-		if (languageVersion.isEmpty()) {
+		if (languageVersion.length()==0) {
 			throw new IllegalArgumentException("languageVersion may not be empty");
 		}
 		languageProperties = new HashMap<X4OLanguageProperty,Object>(20);
diff --git a/x4o-core/src/main/java/org/x4o/xml/impl/config/DefaultX4OLanguageLoader.java b/x4o-core/src/main/java/org/x4o/xml/impl/config/DefaultX4OLanguageLoader.java
index 0c1cbf1..13e8b6b 100644
--- a/x4o-core/src/main/java/org/x4o/xml/impl/config/DefaultX4OLanguageLoader.java
+++ b/x4o-core/src/main/java/org/x4o/xml/impl/config/DefaultX4OLanguageLoader.java
@@ -251,7 +251,7 @@ public class DefaultX4OLanguageLoader implements X4OLanguageLoader {
 		@Override
 		public void characters(char[] ch, int start, int length) throws SAXException {
 			String text = new String(ch,start,length).trim();
-			if (text.isEmpty()) {
+			if (text.length()==0) {
 				return;
 			}
 			buf.append(text);
diff --git a/x4o-core/src/main/java/org/x4o/xml/impl/el/X4OELResolver.java b/x4o-core/src/main/java/org/x4o/xml/impl/el/X4OELResolver.java
index 058fa67..fa1206c 100644
--- a/x4o-core/src/main/java/org/x4o/xml/impl/el/X4OELResolver.java
+++ b/x4o-core/src/main/java/org/x4o/xml/impl/el/X4OELResolver.java
@@ -67,7 +67,7 @@ public class X4OELResolver extends ELResolver {
 	}
 
 	@Override
-	@SuppressWarnings("rawtypes")
+	@SuppressWarnings({ "rawtypes", "unchecked" })
 	public Iterator getFeatureDescriptors(ELContext context,Object base) {
 		base = checkBase(base);
 		return delegate.getFeatureDescriptors(context, base);
diff --git a/x4o-core/src/main/java/org/x4o/xml/sax/XMLWriter.java b/x4o-core/src/main/java/org/x4o/xml/sax/XMLWriter.java
index f4796ee..558f4cf 100644
--- a/x4o-core/src/main/java/org/x4o/xml/sax/XMLWriter.java
+++ b/x4o-core/src/main/java/org/x4o/xml/sax/XMLWriter.java
@@ -200,6 +200,12 @@ public class XMLWriter extends DefaultHandler2 {
 				if (attributeValue.contains("\"")) {
 					attributeValue=attributeValue.replaceAll("\"", "&quote;");
 				}
+				if (attributeValue.contains("<")) {
+					attributeValue=attributeValue.replaceAll("<", "&lt;");
+				}
+				if (attributeValue.contains(">")) {
+					attributeValue=attributeValue.replaceAll(">", "&gt;");
+				}
 				
 				startElement.append(attributeValue);
 				startElement.append('"');
diff --git a/x4o-core/src/test/java/org/x4o/xml/core/EmptyXmlTest.java b/x4o-core/src/test/java/org/x4o/xml/core/EmptyXmlTest.java
index 922564c..71498f3 100644
--- a/x4o-core/src/test/java/org/x4o/xml/core/EmptyXmlTest.java
+++ b/x4o-core/src/test/java/org/x4o/xml/core/EmptyXmlTest.java
@@ -91,7 +91,12 @@ public class EmptyXmlTest extends TestCase {
 		try {
 			parser.parseResource("tests/empty-xml/empty-xml.xml");
 		} catch (SAXException e) {
-			assertEquals(true,e.getMessage().contains("Premature end of file."));
+			boolean hasError = e.getMessage().contains("Premature end of file.");
+			if (System.getProperty("java.version").startsWith("1.5")) {
+				hasError = e.getMessage().contains("A well-formed document requires a root element.");
+			}
+			
+			assertEquals(true,hasError);
 			return;
 		}
 		assertEquals(true,false);
diff --git a/x4o-core/src/test/java/org/x4o/xml/test/swixml/conv/ColorConverter.java b/x4o-core/src/test/java/org/x4o/xml/test/swixml/conv/ColorConverter.java
index f85bc7d..89df632 100644
--- a/x4o-core/src/test/java/org/x4o/xml/test/swixml/conv/ColorConverter.java
+++ b/x4o-core/src/test/java/org/x4o/xml/test/swixml/conv/ColorConverter.java
@@ -50,7 +50,7 @@ public class ColorConverter extends AbstractStringObjectConverter {
 
 	public Object convertStringTo(String str, Locale locale) throws ObjectConverterException {
 		try {
-			if (str.isEmpty()) {
+			if (str.length()==0) {
 				throw new ObjectConverterException(this,"Can't convert empty color.");
 			}
 			if (Character.isDigit(str.charAt(0))) {
diff --git a/x4o-core/src/test/resources/META-INF/swixml/swixml-lang-2.0.eld b/x4o-core/src/test/resources/META-INF/swixml/swixml-lang-2.0.eld
index be14379..da2bc52 100644
--- a/x4o-core/src/test/resources/META-INF/swixml/swixml-lang-2.0.eld
+++ b/x4o-core/src/test/resources/META-INF/swixml/swixml-lang-2.0.eld
@@ -39,7 +39,7 @@
 	<classBindingHandler id="JDesktopPane-JInternalFrame"	parentClass="javax.swing.JDesktopPane"		childClass="javax.swing.JInternalFrame"	method="add"/>
 	<classBindingHandler id="JFrame-JDesktopPane"			parentClass="javax.swing.JFrame"			childClass="javax.swing.JDesktopPane"	method="setContentPane"/>
 	<classBindingHandler id="JMenuBar-JMenu"				parentClass="javax.swing.JMenuBar"			childClass="javax.swing.JMenu"			method="add"/>
-	<classBindingHandler id="JMenu-JMenuItem"				parentClass="javax.swing.JMenu"			childClass="javax.swing.JMenuItem"		method="add"/>
+	<classBindingHandler id="JMenu-JMenuItem"				parentClass="javax.swing.JMenu"				childClass="javax.swing.JMenuItem"		method="add"/>
 	
 	<elementInterface id="Component" interfaceClass="java.awt.Component">
 		<attribute name="bounds">
@@ -109,6 +109,7 @@
 				<conv:beanConverter bean.class="org.x4o.xml.test.swixml.conv.KeyStrokeConverter"/>
 				<attributeAlias name="Accelerator"/>
 			</attribute>
+			<attribute name="mnemonic" runBeanFill="false"/>
 			<attribute name="Action" runBeanFill="false"/>
 			<configurator id="menuitem-action" bean.class="org.x4o.xml.test.swixml.SwiXmlActionConfigurator"/>
 		</element>
@@ -118,6 +119,9 @@
 			<attribute name="orientation">
 				<conv:beanConverter bean.class="org.x4o.xml.test.swixml.conv.JSplitPaneOrientationConverter"/>
 			</attribute>
+			<attribute name="dividerLocation">
+				<conv:integerConverter/>
+			</attribute>
 		</element>
 		<element tag="scrollPane"		objectClass="javax.swing.JScrollPane"/>
 		<element tag="tree"				objectClass="javax.swing.JTree"/>
diff --git a/x4o-core/src/test/resources/META-INF/swixml/swixml-lang-3.0.eld b/x4o-core/src/test/resources/META-INF/swixml/swixml-lang-3.0.eld
index 87c9eff..e16bc2e 100644
--- a/x4o-core/src/test/resources/META-INF/swixml/swixml-lang-3.0.eld
+++ b/x4o-core/src/test/resources/META-INF/swixml/swixml-lang-3.0.eld
@@ -39,7 +39,7 @@
 	<classBindingHandler id="JDesktopPane-JInternalFrame"	parentClass="javax.swing.JDesktopPane"		childClass="javax.swing.JInternalFrame"	method="add"/>
 	<classBindingHandler id="JFrame-JDesktopPane"			parentClass="javax.swing.JFrame"			childClass="javax.swing.JDesktopPane"	method="setContentPane"/>
 	<classBindingHandler id="JMenuBar-JMenu"				parentClass="javax.swing.JMenuBar"			childClass="javax.swing.JMenu"			method="add"/>
-	<classBindingHandler id="JMenu-JMenuItem"				parentClass="javax.swing.JMenu"			childClass="javax.swing.JMenuItem"		method="add"/>
+	<classBindingHandler id="JMenu-JMenuItem"				parentClass="javax.swing.JMenu"				childClass="javax.swing.JMenuItem"		method="add"/>
 	
 	<elementInterface id="Component" interfaceClass="java.awt.Component">
 		<attribute name="bounds">
@@ -103,6 +103,7 @@
 				<conv:beanConverter bean.class="org.x4o.xml.test.swixml.conv.KeyStrokeConverter"/>
 				<attributeAlias name="Accelerator"/>
 			</attribute>
+			<attribute name="mnemonic" runBeanFill="false"/>
 			<attribute name="Action" runBeanFill="false"/>
 			<configurator id="menuitem-action" bean.class="org.x4o.xml.test.swixml.SwiXmlActionConfigurator"/>
 		</element>
@@ -112,6 +113,9 @@
 			<attribute name="orientation">
 				<conv:beanConverter bean.class="org.x4o.xml.test.swixml.conv.JSplitPaneOrientationConverter"/>
 			</attribute>
+			<attribute name="dividerLocation">
+				<conv:integerConverter/>
+			</attribute>
 		</element>
 		<element tag="JScrollPane"		objectClass="javax.swing.JScrollPane"/>
 		<element tag="JTree"			objectClass="javax.swing.JTree"/>
diff --git a/x4o-elddoc/pom.xml b/x4o-elddoc/pom.xml
index 0d7bfce..ebbeb53 100644
--- a/x4o-elddoc/pom.xml
+++ b/x4o-elddoc/pom.xml
@@ -34,6 +34,12 @@
       <type>test-jar</type>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>xerces</groupId>
+      <artifactId>xercesImpl</artifactId>
+      <version>${xerces.version}</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
   <build>
     <pluginManagement>
diff --git a/x4o-meta/pom.xml b/x4o-meta/pom.xml
index ee84f4d..ea4c557 100644
--- a/x4o-meta/pom.xml
+++ b/x4o-meta/pom.xml
@@ -27,7 +27,13 @@
       <artifactId>junit</artifactId>
       <version>${junit.version}</version>
       <scope>test</scope>
-  	</dependency>
+    </dependency>
+    <dependency>
+      <groupId>xerces</groupId>
+      <artifactId>xercesImpl</artifactId>
+      <version>${xerces.version}</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
   <build>
     <pluginManagement>
diff --git a/x4o-plugin/x4o-plugin-ant-elddoc/pom.xml b/x4o-plugin/x4o-plugin-ant-elddoc/pom.xml
index 76d539c..526605a 100644
--- a/x4o-plugin/x4o-plugin-ant-elddoc/pom.xml
+++ b/x4o-plugin/x4o-plugin-ant-elddoc/pom.xml
@@ -51,6 +51,12 @@
       <type>test-jar</type>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>xerces</groupId>
+      <artifactId>xercesImpl</artifactId>
+      <version>${xerces.version}</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
   <build>
     <pluginManagement>
diff --git a/x4o-plugin/x4o-plugin-ant-schema/pom.xml b/x4o-plugin/x4o-plugin-ant-schema/pom.xml
index 6a0136f..28b0a03 100644
--- a/x4o-plugin/x4o-plugin-ant-schema/pom.xml
+++ b/x4o-plugin/x4o-plugin-ant-schema/pom.xml
@@ -45,6 +45,12 @@
       <type>test-jar</type>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>xerces</groupId>
+      <artifactId>xercesImpl</artifactId>
+      <version>${xerces.version}</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
   <build>
     <pluginManagement>