http2: add a log print for debugging

bradfitz · bradfitz · commit 2b899eecfce3 · 2023-06-26T16:01:27.000-07:00
Updates tailscale/corp#12296 Signed-off-by: Brad Fitzpatrick <brad@danga.com>
diff --git a/http2/transport.go b/http2/transport.go
@@ -1286,6 +1286,7 @@ func (cc *ClientConn) RoundTrip(req *http.Request) (*http.Response, error) {
 
 			if f := cs.cc.t.CountError; f != nil {
 				f("abort_set_do_not_reuse")
+				log.Printf("ts-http2: set do not reuse: %T, %v", err, err)
 			}
 		}
 		cs.cc.mu.Unlock()

Original file line number	Diff line number	Diff line change
`@@ -1286,6 +1286,7 @@ func (cc ClientConn) RoundTrip(req http.Request) (*http.Response, error) {`
`1286`	`1286`
`1287`	`1287`	`if f := cs.cc.t.CountError; f != nil {`
`1288`	`1288`	`f("abort_set_do_not_reuse")`
	`1289`	`+ log.Printf("ts-http2: set do not reuse: %T, %v", err, err)`
`1289`	`1290`	`}`
`1290`	`1291`	`}`
`1291`	`1292`	`cs.cc.mu.Unlock()`