First try to resolve #101

src/main/java/ch/ralscha/extdirectspring/controller/ConfigurationService.java

@@ -44,6 +44,9 @@ public class ConfigurationService implements InitializingBean, DisposableBean {
 	@Autowired(required = false)
 	private JsonHandler jsonHandler;
 
+	@Autowired(required = false)
+	private RouterExceptionHandler routerExceptionHandler;	
+
 	private ParametersResolver parametersResolver;
 
 	@Override
@@ -60,6 +63,10 @@ public void afterPropertiesSet() {
 		if (jsonHandler == null) {
 			jsonHandler = new JsonHandler();
 		}
+
+		if (routerExceptionHandler == null) {
+			routerExceptionHandler = new DefaultRouterExceptionHandler(this);
+		}
 
 		if (configuration.getBatchedMethodsExecutionPolicy() == BatchedMethodsExecutionPolicy.CONCURRENT
 				&& configuration.getBatchedMethodsExecutorService() == null) {
@@ -116,4 +123,8 @@ public ParametersResolver getParametersResolver() {
 		return parametersResolver;
 	}
 
+	public RouterExceptionHandler getRouterExceptionHandler() {
+		return routerExceptionHandler;
+	}
+
 }

src/main/java/ch/ralscha/extdirectspring/controller/DefaultRouterExceptionHandler.java

@@ -0,0 +1,49 @@
+/**
+ * Copyright 2010-2013 Ralph Schaer <ralphschaer@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package ch.ralscha.extdirectspring.controller;
+
+import ch.ralscha.extdirectspring.bean.BaseResponse;
+import ch.ralscha.extdirectspring.util.ExtDirectSpringUtil;
+
+public class DefaultRouterExceptionHandler implements RouterExceptionHandler {
+
+	private final ConfigurationService configurationService;
+
+	public DefaultRouterExceptionHandler(ConfigurationService configurationService) {
+		this.configurationService = configurationService;
+	}
+
+	@Override
+	public void handleException(BaseResponse response, Exception e) {
+		Throwable cause;
+		if (e.getCause() != null) {
+			cause = e.getCause();
+		} else {
+			cause = e;
+		}
+
+		response.setType("exception");
+		response.setMessage(configurationService.getConfiguration().getMessage(cause));
+
+		if (configurationService.getConfiguration().isSendStacktrace()) {
+			response.setWhere(ExtDirectSpringUtil.getStackTrace(cause));
+		} else {
+			response.setWhere(null);
+		}
+
+	}
+
+}

src/main/java/ch/ralscha/extdirectspring/controller/RouterController.java

@@ -477,21 +477,7 @@ private Object processRemotingRequest(HttpServletRequest request, HttpServletRes
 	}
 
 	private void handleException(BaseResponse response, Exception e) {
-		Throwable cause;
-		if (e.getCause() != null) {
-			cause = e.getCause();
-		} else {
-			cause = e;
-		}
-
-		response.setType("exception");
-		response.setMessage(configurationService.getConfiguration().getMessage(cause));
-
-		if (configurationService.getConfiguration().isSendStacktrace()) {
-			response.setWhere(ExtDirectSpringUtil.getStackTrace(cause));
-		} else {
-			response.setWhere(null);
-		}
+		configurationService.getRouterExceptionHandler().handleException(response, e);
 	}
 
 	private void handleMethodNotFoundError(BaseResponse response, String beanName, String methodName) {

src/main/java/ch/ralscha/extdirectspring/controller/RouterExceptionHandler.java

@@ -0,0 +1,22 @@
+/**
+ * Copyright 2010-2013 Ralph Schaer <ralphschaer@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package ch.ralscha.extdirectspring.controller;
+
+import ch.ralscha.extdirectspring.bean.BaseResponse;
+
+public interface RouterExceptionHandler {
+	void handleException(BaseResponse response, Exception e);
+}