xap_helper: deal with Xapian::DocNotFoundError

It's possible for a long mset streaming operation to hit missing
documents after a database reopen if deletes hit the DB.

1 files changed, 9 insertions, 3 deletions

diff --git a/lib/PublicInbox/XapHelper.pm b/lib/PublicInbox/XapHelper.pm
index ef6a47a3..36266e65 100644
--- a/lib/PublicInbox/XapHelper.pm
+++ b/lib/PublicInbox/XapHelper.pm
@@ -37,9 +37,15 @@ sub cmd_test_inspect {
 }
 
 sub iter_retry_check ($) {
-        die unless ref($@) =~ /\bDatabaseModifiedError\b/;
-        $_[0]->{srch}->reopen;
-        undef; # retries
+        if (ref($@) =~ /\bDatabaseModifiedError\b/) {
+                $_[0]->{srch}->reopen;
+                undef; # retries
+        } elsif (ref($@) =~ /\bDocNotFoundError\b/) {
+                warn "doc not found: $@";
+                0; # continue to next doc
+        } else {
+                die;
+        }
 }
 
 sub dump_ibx_iter ($$$) {