1c77d240de04728dfcb0e0b3ef973b69c1931728
angie
  Fri Dec 9 15:06:19 2016 -0800
Instead of adding setUdcCacheDir just before every call that opens a cart, call setUdcCacheDir at the beginning of cartNew.  refs #18524

diff --git src/hg/hgVai/hgVai.c src/hg/hgVai/hgVai.c
index 55616fb..2f4e388 100644
--- src/hg/hgVai/hgVai.c
+++ src/hg/hgVai/hgVai.c
@@ -2705,31 +2705,30 @@
     textOutClose(&compressPipeline, NULL);
 }
 
 int main(int argc, char *argv[])
 /* Process command line. */
 {
 long enteredMainTime = clock1000();
 if (hIsPrivateHost())
     pushCarefulMemHandler(LIMIT_2or6GB);
 
 cgiSpoof(&argc, argv);
 boolean isCommandLine = (cgiOptionalString("cgiSpoof") != NULL);
 if (!isCommandLine)
     htmlPushEarlyHandlers(); /* Make errors legible during initialization. */
 oldVars = hashNew(10);
-setUdcCacheDir();
 boolean startQuery = (cgiUsualString("hgva_startQuery", NULL) != NULL);
 if (startQuery)
     {
     if (isCommandLine)
         // No HTTP header for command-line use.
         cart = cartForSession(hUserCookie(), excludeVars, oldVars);
     else
         cart = cartAndCookieNoContent(hUserCookie(), excludeVars, oldVars);
     }
 else
     cart = cartAndCookie(hUserCookie(), excludeVars, oldVars);
 
 // Try to deal with virt chrom position used by hgTracks.
 if (startsWith("virt:", cartUsualString(cart, "position", "")))
     cartSetString(cart, "position", cartUsualString(cart, "nonVirtPosition", ""));