Revert "Merge pull request #9207 from vespa-engine/revert-9204-bratseth/document-api-donct-blame-users"

This reverts commit 3575ceec65b3787a4f3e412c86479c79cf1d6453, reversing
changes made to e535c8fa9c1264d7164fef7f55d10dc585e13e88.

1 files changed, 11 insertions, 6 deletions

diff --git a/vespaclient-container-plugin/src/main/java/com/yahoo/document/restapi/resource/RestApi.java b/vespaclient-container-plugin/src/main/java/com/yahoo/document/restapi/resource/RestApi.java
index 873b0569553..6fed0dff36d 100644
--- a/vespaclient-container-plugin/src/main/java/com/yahoo/document/restapi/resource/RestApi.java
+++ b/vespaclient-container-plugin/src/main/java/com/yahoo/document/restapi/resource/RestApi.java
@@ -36,6 +36,7 @@ import com.yahoo.vespaclient.ClusterList;
 import com.yahoo.vespaxmlparser.DocumentFeedOperation;
 import com.yahoo.vespaxmlparser.FeedOperation;
 import com.yahoo.vespaxmlparser.VespaXMLFeedReader;
+import com.yahoo.yolean.Exceptions;
 
 import java.io.IOException;
 import java.io.OutputStream;
@@ -230,10 +231,14 @@ public class RestApi extends LoggingRequestHandler {
             }
         } catch (RestApiException e) {
             return e.getResponse();
-        } catch (Exception e2) {
-            // We always blame the user. This might be a bit nasty, but the parser throws various kind of exception
-            // types, but with nice descriptions.
-            return Response.createErrorResponse(400, e2.getMessage(), restUri, RestUri.apiErrorCodes.PARSER_ERROR);
+        } catch (IllegalArgumentException userException) {
+            return Response.createErrorResponse(400, Exceptions.toMessageString(userException),
+                                                restUri,
+                                                RestUri.apiErrorCodes.PARSER_ERROR);
+        } catch (RuntimeException systemException) {
+            return Response.createErrorResponse(500, Exceptions.toMessageString(systemException),
+                                                restUri,
+                                                RestUri.apiErrorCodes.PARSER_ERROR);
         }
         return new Response(200, resultJson, Optional.of(restUri));
     }
@@ -401,8 +406,8 @@ public class RestApi extends LoggingRequestHandler {
         } catch (BadRequestParameterException e) {
             return createInvalidParameterResponse(e.getParameter(), e.getMessage());
         }
-        final OperationHandler.VisitResult visit = operationHandler.visit(restUri, documentSelection, options);
-        final ObjectNode resultNode = mapper.createObjectNode();
+        OperationHandler.VisitResult visit = operationHandler.visit(restUri, documentSelection, options);
+        ObjectNode resultNode = mapper.createObjectNode();
         visit.token.ifPresent(t -> resultNode.put(CONTINUATION, t));
         resultNode.putArray(DOCUMENTS).addPOJO(visit.documentsAsJsonList);
         resultNode.put(PATH_NAME, restUri.getRawPath());