selftest: Catch exception from dns_hub.py

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Noel Power <npower@samba.org>

diff --git a/selftest/target/dns_hub.py b/selftest/target/dns_hub.py
index 4f42395f17d098b48c84674a1ac8967a503a0276..e21544ae32202b6ab6bd2ea95efed5a2aeb5d54b 100755 (executable)
--- a/selftest/target/dns_hub.py
+++ b/selftest/target/dns_hub.py
@@ -135,7 +135,11 @@ class DnsHandler(sserver.BaseRequestHandler):
             response.operation |= dns.DNS_FLAG_RECURSION_AVAIL
             response.operation |= dns.DNS_RCODE_NXDOMAIN
         else:
-            response = self.dns_transaction_udp(query, forwarder)
+            try:
+                response = self.dns_transaction_udp(query, forwarder)
+            except OSError as err:
+                print("dns_hub: Error sending dns query to forwarder[%s] for name[%s]: %s" %
+                      (forwarder, name, err))
 
         if response is None:
             response = query