Commit 9275eeaa authored by caoyixiong's avatar caoyixiong Committed by 彭勇升 pengys
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FIx NPE in InstanceMetricAlarmAssertWorker (#1614) 

* add user

* add user

* FIx NPE in InstanceMetricAlarmAssertWorker
parent cfee02cb

apm-collector/apm-collector-analysis/analysis-alarm/alarm-provider/src/main/java/org/apache/skywalking/apm/collector/analysis/alarm/provider/worker/instance/InstanceMetricAlarmAssertWorker.java

+1 −1
Original line number Diff line number Diff line
@@ -66,7 +66,7 @@ public class InstanceMetricAlarmAssertWorker extends AlarmAssertWorker<InstanceM 
        Instance instance = instanceDAO.getInstance(alarm.getInstanceId());

        JsonObject osInfo = gson.fromJson(instance.getOsInfo(), JsonObject.class);

        String serverName = Const.UNKNOWN;

        if (osInfo.has("hostName")) {

        if (osInfo != null && osInfo.has("hostName")) {

            serverName = osInfo.get("hostName").getAsString();

        }