Disable printing dreaded app layer error messages to the screen: app layer events are here to safe us.

src/app-layer-parser.c

@@ -852,7 +852,7 @@ int AppLayerParse(void *local_data, Flow *f, uint8_t proto,
     /* Do this check before calling AppLayerParse */
     if (flags & STREAM_GAP) {
         SCLogDebug("stream gap detected (missing packets), this is not yet supported.");
-        goto gap;
+        goto error;
     }
 
     /* Get the parser state (if any) */
@@ -965,6 +965,7 @@ int AppLayerParse(void *local_data, Flow *f, uint8_t proto,
 
 error:
     if (ssn != NULL) {
+#ifdef DEBUG
         if (FLOW_IS_IPV4(f)) {
             char src[16];
             char dst[16];
@@ -973,8 +974,7 @@ error:
             PrintInet(AF_INET, (const void*)&f->dst.addr_data32[0], dst,
                       sizeof (dst));
 
-            SCLogError(SC_ERR_ALPARSER, "Error occured in parsing "
+            SCLogDebug("Error occured in parsing \"%s\" app layer "
-                       "\"%s\" app layer "
                        "protocol, using network protocol %"PRIu8", source IP "
                        "address %s, destination IP address %s, src port %"PRIu16" and "
                        "dst port %"PRIu16"", al_proto_table[f->alproto].name,
@@ -989,19 +989,13 @@ error:
             PrintInet(AF_INET6, (const void*)&f->dst.addr_data32, dst6,
                       sizeof (dst6));
 
-            SCLogError(SC_ERR_ALPARSER, "Error occured in parsing "
+            SCLogDebug("Error occured in parsing \"%s\" app layer "
-                       "\"%s\" app layer "
                        "protocol, using network protocol %"PRIu8", source IPv6 "
                        "address %s, destination IPv6 address %s, src port %"PRIu16" and "
                        "dst port %"PRIu16"", al_proto_table[f->alproto].name,
                        f->proto, src6, dst6, f->sp, f->dp);
             fflush(stdout);
         }
-    }
-
-gap:
-    if (ssn != NULL) {
-#ifdef DEBUG
         applayererrors++;
         if (f->alproto == ALPROTO_HTTP)
             applayerhttperrors++;