diff --git a/wise-webapp/doc/REST Services.md b/wise-webapp/doc/REST Services.md
new file mode 100644
index 00000000..53817922
--- /dev/null
+++ b/wise-webapp/doc/REST Services.md	
@@ -0,0 +1,11 @@
+REST Services
+---------------
+
+Obtaining user information by email:
+
+curl "http://localhost:8080/service/admin/users/email/{user.email}.json" --get --basic -u "admin@wisemapping.org:admin"
+
+Deleting a based on the user id:
+curl "http://localhost:8080/service/admin/users/{userId}" --request delete --basic -u "admin@wisemapping.org:admin"
+
+
diff --git a/wise-webapp/src/main/java/com/wisemapping/rest/DebugMappingJacksonHttpMessageConverter.java b/wise-webapp/src/main/java/com/wisemapping/rest/DebugMappingJacksonHttpMessageConverter.java
index 9337d42b..4452480f 100644
--- a/wise-webapp/src/main/java/com/wisemapping/rest/DebugMappingJacksonHttpMessageConverter.java
+++ b/wise-webapp/src/main/java/com/wisemapping/rest/DebugMappingJacksonHttpMessageConverter.java
@@ -23,12 +23,15 @@ public class DebugMappingJacksonHttpMessageConverter extends MappingJacksonHttpM
         } catch (org.springframework.http.converter.HttpMessageNotReadableException e) {
             throw new HttpMessageNotReadableException("Request Body:\n" + new String(bytes, "UTF-8"), e);
         }
+        catch (IOException e) {
+            throw new HttpMessageNotReadableException("Request Body:\n" + new String(bytes, "UTF-8"), e);
+        }
     }
 }
 
 class HttpMessageNotReadableException extends org.springframework.http.converter.HttpMessageNotReadableException {
 
-    public HttpMessageNotReadableException(String msg, org.springframework.http.converter.HttpMessageNotReadableException cause) {
+    public HttpMessageNotReadableException(String msg, Exception cause) {
         super(msg, cause);
     }
 }
diff --git a/wise-webapp/src/main/java/com/wisemapping/rest/RestMvcConfiguration.java b/wise-webapp/src/main/java/com/wisemapping/rest/RestMvcConfiguration.java
index 436316d6..42ee9131 100644
--- a/wise-webapp/src/main/java/com/wisemapping/rest/RestMvcConfiguration.java
+++ b/wise-webapp/src/main/java/com/wisemapping/rest/RestMvcConfiguration.java
@@ -17,6 +17,7 @@ public class RestMvcConfiguration extends WebMvcConfigurerAdapter {
     @Override
     public void configureMessageConverters(@NotNull final List<HttpMessageConverter<?>> converters) {
         converters.add(converter());
+        configureMessageConverters(converters);
     }
 
     @Bean