From a20df3da57291f107122e0fbf57e0a44a8ee15a9 Mon Sep 17 00:00:00 2001
From: Kai Moritz <kai@juplo.de>
Date: Wed, 16 Sep 2020 20:11:53 +0200
Subject: [PATCH] Logging the name for create-requests for already existent
 users

---
 .../de/juplo/boot/data/jdbc/UserController.java   | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/main/java/de/juplo/boot/data/jdbc/UserController.java b/src/main/java/de/juplo/boot/data/jdbc/UserController.java
index 0aaefd5..0a4a62f 100644
--- a/src/main/java/de/juplo/boot/data/jdbc/UserController.java
+++ b/src/main/java/de/juplo/boot/data/jdbc/UserController.java
@@ -6,10 +6,14 @@ import org.springframework.context.ApplicationEventPublisher;
 import org.springframework.dao.IncorrectResultSizeDataAccessException;
 import org.springframework.http.ResponseEntity;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.StreamUtils;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
 import org.springframework.web.util.UriComponents;
 
+import javax.servlet.http.HttpServletRequest;
+import java.io.IOException;
+import java.nio.charset.Charset;
 import java.time.LocalDateTime;
 
 import static de.juplo.boot.data.jdbc.UserEvent.Type.CREATED;
@@ -94,10 +98,19 @@ public class UserController {
 
     @ExceptionHandler
     public ResponseEntity<?> incorrectResultSizeDataAccessException(
+        HttpServletRequest request,
         IncorrectResultSizeDataAccessException e
         )
     {
-      LOG.info("User already exists!");
+      String username;
+      try {
+          username = StreamUtils.copyToString(request.getInputStream(), Charset.defaultCharset());
+      }
+      catch (IOException ioe)
+      {
+        username = e.getMessage() + " -> " + ioe.getMessage();
+      }
+      LOG.info("User {} already exists!", username);
       return ResponseEntity.badRequest().build();
     }
 }
-- 
2.20.1