x-pack/filebeat/input/entityanalytics/provider/okta/internal/okta: ha…

…ndle empty responses gracefully (#37092)

(cherry picked from commit 9b932c4)

CHANGELOG.next.asciidoc

@@ -69,6 +69,16 @@ https://github.com/elastic/beats/compare/v8.8.1\...main[Check the HEAD diff]
 - Fix panic when sqs input metrics getter is invoked {pull}36101[36101] {issue}36077[36077]
 - Fix handling of Juniper SRX structured data when there is no leading junos element. {issue}36270[36270] {pull}36308[36308]
 - Fix Filebeat Cisco module with missing escape character {issue}36325[36325] {pull}36326[36326]
+- Fix panic when redact option is not provided to CEL input. {issue}36387[36387] {pull}36388[36388]
+- Remove 'onFilteredOut' and 'onDroppedOnPublish' callback logs {issue}36299[36299] {pull}36399[36399]
+- Added a fix for Crowdstrike pipeline handling process arrays {pull}36496[36496]
+- Ensure winlog input retains metric collection when handling recoverable errors. {issue}36479[36479] {pull}36483[36483]
+- Revert error introduced in {pull}35734[35734] when symlinks can't be resolved in filestream. {pull}36557[36557]
+- Fix ignoring external input configuration in `take_over: true` mode {issue}36378[36378] {pull}36395[36395]
+- Add validation to http_endpoint config for empty URL {pull}36816[36816] {issue}36772[36772]
+- Fix merging of array fields(processors, paths, parsers) in configurations generated from hints and default config. {issue}36838[36838] {pull}36857[36857]
+- Fix handling of response errors in HTTPJSON and CEL request trace logging. {pull}36956[36956]
+- Do not error when Okta API returns no data. {pull}37092[37092]
 
 *Heartbeat*
 

x-pack/filebeat/input/entityanalytics/provider/okta/internal/okta/okta.go

@@ -317,8 +317,8 @@ func getDetails[E entity](ctx context.Context, cli *http.Client, u *url.URL, key
 	}
 
 	var body bytes.Buffer
-	_, err = io.Copy(&body, resp.Body)
-	if err != nil {
+	n, err := io.Copy(&body, resp.Body)
+	if n == 0 || err != nil {
 		return nil, nil, err
 	}