[alerter] bugfix aviator expression match npe (#297)

apache · Sep 18, 2022 · 70d830f · 70d830f
1 parent b5adcd1
commit 70d830f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/alerter/src/main/java/com/usthe/alert/calculate/CalculateAlarm.java b/alerter/src/main/java/com/usthe/alert/calculate/CalculateAlarm.java
@@ -205,7 +205,7 @@ private void calculate(CollectRep.MetricsData metricsData) {
                         try {
                             Expression expression = AviatorEvaluator.compile(expr, true);
                             Boolean match = (Boolean) expression.execute(fieldValueMap);
-                            if (match) {
+                            if (match != null && match) {
                                 // 阈值规则匹配，判断已触发阈值次数，触发告警
                                 String monitorAlertKey = String.valueOf(monitorId) + define.getId();
                                 Alert triggeredAlert = triggeredAlertMap.get(monitorAlertKey);