(skywalking) branch master updated: fix: replace Collections.EMPTY_* with empty*() to avoid unchecked warnings (#13724)

[wusheng]

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

wusheng pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/skywalking.git


The following commit(s) were added to refs/heads/master by this push:
     new c55f57673d fix: replace Collections.EMPTY_* with empty*() to avoid 
unchecked warnings (#13724)
c55f57673d is described below

commit c55f57673d583d308cd567fa97e2d1033585632d
Author: Senrian <47714364+senr...@users.noreply.github.com>
AuthorDate: Fri Mar 6 13:59:37 2026 +0800

    fix: replace Collections.EMPTY_* with empty*() to avoid unchecked warnings 
(#13724)
---
 .../apache/skywalking/oap/server/core/alarm/provider/RulesReader.java   | 2 +-
 .../apache/skywalking/oap/server/core/analysis/worker/TopNWorker.java   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git 
a/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/RulesReader.java
 
b/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/RulesReader.java
index 36331230a6..fb417f9d42 100644
--- 
a/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/RulesReader.java
+++ 
b/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/RulesReader.java
@@ -132,7 +132,7 @@ public class RulesReader {
     }
 
     private void readHooksConfig(Rules rules) {
-        Map hooks = (Map) yamlData.getOrDefault("hooks", 
Collections.EMPTY_MAP);
+        Map hooks = (Map) yamlData.getOrDefault("hooks", 
Collections.emptyMap());
         if (CollectionUtils.isEmpty(hooks)) {
             return;
         }
diff --git 
a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/worker/TopNWorker.java
 
b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/worker/TopNWorker.java
index 702224fe8c..f42d01515c 100644
--- 
a/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/worker/TopNWorker.java
+++ 
b/oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/worker/TopNWorker.java
@@ -87,7 +87,7 @@ public class TopNWorker extends PersistenceWorker<TopN> {
         long now = System.currentTimeMillis();
         if (now - lastReportTimestamp <= reportPeriod) {
             // Only do report in its own report period.
-            return Collections.EMPTY_LIST;
+            return Collections.emptyList();
         }
         lastReportTimestamp = now;