222992ee5c992c1ba25babcb8736eadb5ad0366c
braney
  Thu Nov 20 18:07:58 2014 -0800
when hubs disappear out from under us, put out a kindler, gentler errormessage that gives people a clue what's happened.   #14365

diff --git src/hg/lib/hdb.c src/hg/lib/hdb.c
index 9b45a88..d6262dc 100644
--- src/hg/lib/hdb.c
+++ src/hg/lib/hdb.c
@@ -2538,31 +2538,33 @@
 boolean gotClade = hGotCladeConn(conn);
 hDisconnectCentral(&conn);
 return gotClade;
 }
 
 char *hClade(char *genome)
 /* If central database has clade tables, return the clade for the
  * given genome; otherwise return NULL. */
 {
 char *clade;
 if ((clade = trackHubAssemblyClade(genome)) != NULL)
     return clade;
 
 if (isHubTrack(genome))
     {
+    pushWarnHandler(cartHubWarn);
     warn("Current genome '%s' is supported by a hub that is no longer connected. Switching to default database.", trackHubSkipHubName(genome));
+    popWarnHandler();
     return cloneString("none");
     }
 
 struct sqlConnection *conn = hConnectCentral();
 if (hGotCladeConn(conn))
     {
     char query[512];
     sqlSafef(query, sizeof(query),
 	  "select clade from genomeClade where genome = '%s'", genome);
     clade = sqlQuickString(conn, query);
     hDisconnectCentral(&conn);
     if (clade == NULL)
 	{
 	warn("Warning: central database genomeClade doesn't contain "
 	     "genome \"%s\"", genome);