Web view still in progress

api-webapp/src/main/kotlin/org/jeudego/pairgoth/model/Pairing.kt

@@ -49,7 +49,7 @@ data class MainCritParams(
     val additionalPlacementCritSystem1: Criterion = Criterion.RATING,
     val additionalPlacementCritSystem2: Criterion = Criterion.NONE,
 ) {
-    enum class DrawUpDown {TOP, MIDDLE, BOTTOM}
+    enum class DrawUpDown { TOP, MIDDLE, BOTTOM }
     enum class SeedMethod { SPLIT_AND_FOLD, SPLIT_AND_RANDOM, SPLIT_AND_SLIP }
     companion object {
         const val MAX_CATEGORIES_WEIGHT = 20000000000000.0 // 2e13

api-webapp/src/main/kotlin/org/jeudego/pairgoth/server/ApiServlet.kt

@@ -235,7 +235,7 @@ class ApiServlet : HttpServlet() {
         cause: Throwable? = null
     ) {
         try {
-            if (code == 500) {
+            if (code == 500 || response.isCommitted) {
                 logger.error(
                     "Request {} {} gave error {} {}",
                     request.method,
@@ -245,7 +245,13 @@ class ApiServlet : HttpServlet() {
                     cause
                 )
             }
-            response.sendError(code, message)
+            response.status = code
+            if (response.isCommitted) return
+            val errorPayload = Json.Object(
+                "error" to (message ?: "unknown error")
+            )
+            setContentType(response)
+            errorPayload.toString(response.writer)
         } catch (ioe: IOException) {
             logger.error("Could not send back error", ioe)
         }