disables printStacktrace to stderr

data-discovery/src/main/java/search/DbPSearch.java

@@ -111,7 +111,7 @@ public class DbPSearch
       catch (SQLException se)
       {
          logSqlExInfo(se);
-         se.printStackTrace();
+         // se.printStackTrace();
       }
 
       String[] pubdidArr = pubdidList.toArray(new String[0]);
@@ -242,7 +242,7 @@ public class DbPSearch
       catch (SQLException se)
       {
          logSqlExInfo(se);
-         se.printStackTrace();
+         // se.printStackTrace();
       }
 
       FormatResponseFilter.ObsCore[] cubes = obsCoreList.toArray(new FormatResponseFilter.ObsCore[0]);

data-discovery/src/main/java/webapi/SearchServlet.java

@@ -163,7 +163,7 @@ public class SearchServlet extends javax.servlet.http.HttpServlet
       catch(Exception ex)
       {
          LOGGER.warning("Exception: " + ex.getMessage());
-         ex.printStackTrace();
+         // ex.printStackTrace();
 
          response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
          response.setContentType("text/plain");