Repository: incubator-hawq Updated Branches: refs/heads/master 8928e88ea -> 4b3fdb262
HAWQ-1051. Failing in reverse DNS lookup causes resource manager core dump Signed-off-by: jiny2 <y...@pivotal.io> Project: http://git-wip-us.apache.org/repos/asf/incubator-hawq/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-hawq/commit/4b3fdb26 Tree: http://git-wip-us.apache.org/repos/asf/incubator-hawq/tree/4b3fdb26 Diff: http://git-wip-us.apache.org/repos/asf/incubator-hawq/diff/4b3fdb26 Branch: refs/heads/master Commit: 4b3fdb262832f056cb39e725331938721adb39d7 Parents: 8928e88 Author: stanlyxiang <stanly.sxi...@gmail.com> Authored: Wed Sep 21 23:57:27 2016 +0800 Committer: Ruilong Huo <r...@pivotal.io> Committed: Sun Oct 9 11:35:45 2016 +0800 ---------------------------------------------------------------------- src/backend/resourcemanager/requesthandler.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-hawq/blob/4b3fdb26/src/backend/resourcemanager/requesthandler.c ---------------------------------------------------------------------- diff --git a/src/backend/resourcemanager/requesthandler.c b/src/backend/resourcemanager/requesthandler.c index 9946322..976156b 100644 --- a/src/backend/resourcemanager/requesthandler.c +++ b/src/backend/resourcemanager/requesthandler.c @@ -627,7 +627,11 @@ bool handleRMSEGRequestIMAlive(void **arg) fts_client_ip_len = strlen(fts_client_ip); inet_aton(fts_client_ip, &fts_client_addr); fts_client_host = gethostbyaddr(&fts_client_addr, 4, AF_INET); - Assert(fts_client_host != NULL); + if (fts_client_host == NULL) + { + elog(WARNING, "Failed to reverse DNS lookup for ip %s.", fts_client_ip); + return true; + } /* Get the received machine id instance start address. */ SegInfo fts_client_seginfo = (SegInfo)(SMBUFF_CONTENT(&(conntrack->MessageBuff)) +
