XML: Remove error messages from stderr

src/request_body_processor/xml.cc

@@ -99,6 +99,9 @@ bool XML::processChunk(const char *buf, unsigned int size,
             error->assign("XML: Failed to create parsing context.");
             return false;
         }
+
+        xmlSetGenericErrorFunc(m_data.parsing_ctx, null_error);
+
         return true;
     }
 

src/request_body_processor/xml.h

@@ -53,6 +53,10 @@ class XML {
     static xmlParserInputBufferPtr unloadExternalEntity(const char *URI,
         xmlCharEncoding enc);
 
+    static void null_error(void *ctx, const char *msg, ...) {
+    }
+
+
     xml_data m_data;
 
  private: