73c09a61e57baf2a2ab6548c2a2bfe0cf3303600
markd
  Thu Mar 4 11:11:57 2021 -0800
provide hint to look in systems logs when blat server failes

diff --git src/hg/hgBlat/hgBlat.c src/hg/hgBlat/hgBlat.c
index 64a2d3f..ea57b9d 100644
--- src/hg/hgBlat/hgBlat.c
+++ src/hg/hgBlat/hgBlat.c
@@ -1361,31 +1361,32 @@
 int ret = 0;
 
 /* Put together command. */
 gfBeginRequest(conn);
 if (serve->isDynamic)
     sprintf(buf, "%s%s %s %s", gfSignature(), (serve->isTrans ? "transInfo" : "untransInfo"),
             conn->genome, conn->genomeDataDir);
 else
     sprintf(buf, "%sstatus", gfSignature());
 mustWriteFd(conn->fd, buf, strlen(buf));
 
 for (;;)
     {
     if (netGetString(conn->fd, buf) == NULL)
 	{
-	warn("Error reading status information from %s:%s",serve->host, serve->port);
+	warn("Error reading status information from %s:%s; gfServer maybe down or misconfigured, see system logs for details",
+             serve->host, serve->port);
 	ret = -1;
         break;
 	}
     if (sameString(buf, "end"))
         break;
     else
         {
 	if (startsWith("tileSize ", buf))
 	    {
             serve->tileSize = atoi(buf+strlen("tileSize "));
 	    }
 	if (startsWith("stepSize ", buf))
 	    {
             serve->stepSize = atoi(buf+strlen("stepSize "));
 	    }