[trafficserver] branch 9.2.x updated: Handle hit as miss when cach obj is invalid (#8871)

[zwoop]

This is an automated email from the ASF dual-hosted git repository.

zwoop pushed a commit to branch 9.2.x
in repository https://gitbox.apache.org/repos/asf/trafficserver.git


The following commit(s) were added to refs/heads/9.2.x by this push:
     new 283ac27b1 Handle hit as miss when cach obj is invalid (#8871)
283ac27b1 is described below

commit 283ac27b1878f628a748a0de672300b9b88f1e28
Author: Serris Lew <serrisn...@gmail.com>
AuthorDate: Tue May 31 09:55:28 2022 -0700

    Handle hit as miss when cach obj is invalid (#8871)
    
    Co-authored-by: Serris Lew <lser...@apple.com>
    (cherry picked from commit 138c1aabcb2d10b1632385d9ca4cea0c3deaf7d5)
---
 proxy/http/HttpTransact.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/proxy/http/HttpTransact.cc b/proxy/http/HttpTransact.cc
index 4fd26abd8..c45253d8c 100644
--- a/proxy/http/HttpTransact.cc
+++ b/proxy/http/HttpTransact.cc
@@ -2814,6 +2814,11 @@ HttpTransact::HandleCacheOpenReadHit(State *s)
     obj = s->cache_info.object_read;
   }
 
+  if (obj == nullptr || !obj->valid()) {
+    HandleCacheOpenReadMiss(s);
+    return;
+  }
+
   // do we have to authenticate with the server before
   // sending back the cached response to the client?
   Authentication_t authentication_needed = AuthenticationNeeded(s->txn_conf, 
&s->hdr_info.client_request, obj->response_get());