Issue #26.

Author: highsource

compiler/src/main/java/org/hisrc/jsonix/configuration/ModulesConfiguration.java

@@ -298,17 +298,24 @@ private <T, C extends T> Map<String, Mapping<T, C>> buildMappings(
 		final Map<String, Mapping<T, C>> mappings = new HashMap<String, Mapping<T, C>>();
 		for (MappingConfiguration mappingConfiguration : mappingConfigurations) {
 			final String packageName = mappingConfiguration.getPackage();
-			final MPackageInfo packageInfo = analyzer.getPackageInfoMap().get(
-					packageName);
-			if (packageInfo == null) {
-				logger.warn(MessageFormat.format(
-						"Package name [{0}] could not be found.",
-						Validate.notNull(packageName)));
-				// throw new MissingPackageException(packageName);
+			if (packageName == null) {
+				// TODO @XmlLocation
+				logger.warn("At least one of the mapping configurations is missing the required [package] attribute.");
 			} else {
-				final Mapping<T, C> mapping = mappingConfiguration.build(
-						context, analyzer, modelInfo, packageInfo, mappings);
-				mappings.put(mappingConfiguration.getId(), mapping);
+				final MPackageInfo packageInfo = analyzer.getPackageInfoMap()
+						.get(packageName);
+
+				if (packageInfo == null) {
+					logger.warn(MessageFormat.format(
+							"Package name [{0}] could not be found.",
+							Validate.notNull(packageName)));
+					// throw new MissingPackageException(packageName);
+				} else {
+					final Mapping<T, C> mapping = mappingConfiguration
+							.build(context, analyzer, modelInfo, packageInfo,
+									mappings);
+					mappings.put(mappingConfiguration.getId(), mapping);
+				}
 			}
 		}
 		return mappings;

compiler/src/main/java/org/hisrc/jsonix/execution/JsonixInvoker.java

@@ -10,6 +10,7 @@
 import org.hisrc.jsonix.settings.Settings;
 import org.jvnet.jaxb2_commons.xjc.model.concrete.XJCCMInfoFactory;
 import org.jvnet.jaxb2_commons.xml.bind.model.MModelInfo;
+import org.slf4j.Logger;
 
 import com.sun.tools.xjc.model.Model;
 import com.sun.tools.xjc.model.nav.NClass;
@@ -24,6 +25,14 @@ public void execute(Settings settings, Model model,
 
 		context.setLogLevel(settings.getLogLevel().asInt());
 
+		final Logger logger = context.getLoggerFactory().getLogger(
+				JsonixInvoker.class.getName());
+
+		if (model == null) {
+			logger.error("The model is null, there was probably a problem parsing schemas.");
+			return;
+		}
+
 		final ModulesConfigurationUnmarshaller customizationHandler = new ModulesConfigurationUnmarshaller(
 				context);
 

full/src/main/java/org/hisrc/jsonix/JsonixMain.java

@@ -97,7 +97,7 @@ private void execute() {
 		final ErrorReceiver errorHandler = new ConsoleErrorReporter();
 		final Model model = ModelLoader.load(getOptions(), new JCodeModel(),
 				errorHandler);
-
+		
 		final File targetDirectory = getOptions().targetDir;