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The following commit(s) were added to refs/heads/master by this push:
     new f409ed7be7 Remove the always-on alarm-to-event conversion 
(EventHookCallback) (#13925)
f409ed7be7 is described below

commit f409ed7be71f4c3477ce07681373029facbf3036
Author: 吴晟 Wu Sheng <[email protected]>
AuthorDate: Tue Jun 23 09:37:46 2026 +0800

    Remove the always-on alarm-to-event conversion (EventHookCallback) (#13925)
    
    A triggered alarm is no longer synthesized into the events pipeline as an
    Alarm/AlarmRecovery event; events now originate only from real event sources
    (agents, SkyWalking CLI, Kubernetes Event Exporter). Alarms remain available
    through the alarm store (getAlarm/queryAlarms) and the configured alarm 
hooks.
    
    - Delete EventHookCallback and its unconditional registration in 
NotifyHandler.
    - Delete EventHookCallbackTest.
    - Drop the now-dead event-analyzer dependency from server-alarm-plugin.
    - Remove the 'Alarm' Known-Event row from event.md; update the e2e guide 
recipe.
    - Update the alarm/baseline e2e expected files to assert 'events: []' — the
      alarm now correlates no synthetic event (swctl 'alarm ls' still projects 
the
      events field, so the expectation must assert the empty list).
    - Add a CHANGES entry.
---
 docs/en/changes/changes.md                         |   1 +
 docs/en/concepts-and-designs/event.md              |   1 -
 oap-server/server-alarm-plugin/pom.xml             |   5 -
 .../core/alarm/provider/EventHookCallback.java     | 194 ---------------------
 .../server/core/alarm/provider/NotifyHandler.java  |   1 -
 .../core/alarm/provider/EventHookCallbackTest.java | 157 -----------------
 test/e2e-v2/CLAUDE.md                              |  13 --
 .../expected/silence-after-graphql-critical.yml    |  16 +-
 .../alarm/expected/silence-after-graphql-warn.yml  |  32 +---
 .../expected/silence-before-graphql-critical.yml   |  16 +-
 .../alarm/expected/silence-before-graphql-warn.yml |  32 +---
 test/e2e-v2/cases/baseline/expected/critical.yml   |  16 +-
 12 files changed, 8 insertions(+), 476 deletions(-)

diff --git a/docs/en/changes/changes.md b/docs/en/changes/changes.md
index a91eefb067..b046523837 100644
--- a/docs/en/changes/changes.md
+++ b/docs/en/changes/changes.md
@@ -2,6 +2,7 @@
 
 #### Project
 
+* Remove the always-on alarm-to-event conversion (`EventHookCallback`). A 
triggered alarm is no longer synthesized into the events pipeline as an 
`Alarm`/`AlarmRecovery` event; events now originate only from real event 
sources (agents, SkyWalking CLI, Kubernetes Event Exporter). Alarms remain 
available through the alarm store (`getAlarm`/`queryAlarms`) and the configured 
alarm hooks. This drops a documented "Known Event" and removes 1-2 synthetic 
event records per alarm fire.
 * **New `queryAlarms` GraphQL query — entity / layer / rule filters for 
alarms.** Adds
   a comprehensive alarm query API alongside the legacy `getAlarm`. The new
   `queryAlarms(condition: AlarmQueryCondition!): Alarms` accepts a single 
input type
diff --git a/docs/en/concepts-and-designs/event.md 
b/docs/en/concepts-and-designs/event.md
index 26b2c20586..837c44f395 100644
--- a/docs/en/concepts-and-designs/event.md
+++ b/docs/en/concepts-and-designs/event.md
@@ -66,7 +66,6 @@ service / instance / endpoint.
 | :----: | :----: | :-----| :---- |
 | Start | Normal | When your Java Application starts with SkyWalking Agent 
installed, the `Start` Event will be created. | Reported from SkyWalking agent. 
|
 | Shutdown | Normal | When your Java Application stops with SkyWalking Agent 
installed, the `Shutdown` Event will be created. | Reported from SkyWalking 
agent. |
-| Alarm | Error | When the Alarm is triggered, the corresponding `Alarm` Event 
will is created. | Reported from internal SkyWalking OAP. |
 
 The following events are all reported
 by [Kubernetes Event 
Exporter](http://github.com/apache/skywalking-kubernetes-event-exporter), in 
order to see these
diff --git a/oap-server/server-alarm-plugin/pom.xml 
b/oap-server/server-alarm-plugin/pom.xml
index 9f4494dd6d..a13181fca3 100644
--- a/oap-server/server-alarm-plugin/pom.xml
+++ b/oap-server/server-alarm-plugin/pom.xml
@@ -38,11 +38,6 @@
             <artifactId>library-util</artifactId>
             <version>${project.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.apache.skywalking</groupId>
-            <artifactId>event-analyzer</artifactId>
-            <version>${project.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.apache.skywalking</groupId>
             <artifactId>mqe-rt</artifactId>
diff --git 
a/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/EventHookCallback.java
 
b/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/EventHookCallback.java
deleted file mode 100644
index 5018a3fb23..0000000000
--- 
a/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/EventHookCallback.java
+++ /dev/null
@@ -1,194 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package org.apache.skywalking.oap.server.core.alarm.provider;
-
-import java.io.IOException;
-
-import org.apache.skywalking.apm.network.event.v3.Event;
-import org.apache.skywalking.apm.network.event.v3.Source;
-import org.apache.skywalking.apm.network.event.v3.Type;
-import org.apache.skywalking.oap.server.analyzer.event.EventAnalyzerModule;
-import org.apache.skywalking.oap.server.analyzer.event.EventAnalyzerService;
-import org.apache.skywalking.oap.server.core.CoreModule;
-import org.apache.skywalking.oap.server.core.alarm.AlarmCallback;
-import org.apache.skywalking.oap.server.core.alarm.AlarmMessage;
-import org.apache.skywalking.oap.server.core.alarm.AlarmRecoveryMessage;
-import org.apache.skywalking.oap.server.core.analysis.IDManager;
-import org.apache.skywalking.oap.server.core.analysis.Layer;
-import org.apache.skywalking.oap.server.core.query.MetadataQueryService;
-import org.apache.skywalking.oap.server.core.query.type.Service;
-import org.apache.skywalking.oap.server.core.source.DefaultScopeDefine;
-import org.apache.skywalking.oap.server.library.module.ModuleManager;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.UUID;
-
-/**
- * EventCallBack: When an alert is present, an event is generated for each 
alert message. These events are then sent to the internal event analyzer.
- */
-public class EventHookCallback implements AlarmCallback {
-
-    private final ModuleManager manager;
-    private MetadataQueryService metadataQueryService;
-
-    private MetadataQueryService getMetadataQueryService() {
-        if (metadataQueryService == null) {
-            this.metadataQueryService = manager.find(CoreModule.NAME)
-                    .provider()
-                    .getService(MetadataQueryService.class);
-        }
-        return metadataQueryService;
-    }
-
-    public EventHookCallback(ModuleManager manager) {
-        this.manager = manager;
-    }
-
-    public void doAlarm(List<AlarmMessage> alarmMessage) throws Exception {
-        doAlarmCallback(alarmMessage, false);
-    }
-
-    public void doAlarmRecovery(List<AlarmMessage> alarmRecoveryMessages) 
throws Exception {
-        doAlarmCallback(alarmRecoveryMessages, true);
-    }
-
-    private void doAlarmCallback(List<AlarmMessage> alarmMessage, boolean 
isRecovery) throws Exception {
-        EventAnalyzerService analyzerService = 
manager.find(EventAnalyzerModule.NAME).provider().getService(EventAnalyzerService.class);
-        for (AlarmMessage a : alarmMessage) {
-            for (Event event : constructCurrentEvent(a, isRecovery)) {
-                analyzerService.analyze(event);
-            }
-        }
-    }
-
-    private String getLayer(String serviceId) throws IOException {
-        Service service = getMetadataQueryService().getService(serviceId);
-        if (service != null) {
-            return service.getLayers().iterator().next();
-        } else {
-            return Layer.UNDEFINED.name();
-        }
-    }
-
-    private List<Event> constructCurrentEvent(AlarmMessage msg, boolean 
isRecovery) throws IOException {
-        List<Event> events = new ArrayList<>(2);
-        long now = System.currentTimeMillis();
-        Event.Builder builder = Event.newBuilder()
-                .setUuid(UUID.randomUUID().toString())
-                .setName(isRecovery ? "AlarmRecovery" : "Alarm")
-                .setStartTime(isRecovery ? ((AlarmRecoveryMessage) 
msg).getRecoveryTime() : now - (msg.getPeriod() * 60 * 1000))
-                .setMessage(msg.getAlarmMessage())
-                .setType(isRecovery ? Type.Normal : Type.Error)
-                .setEndTime(isRecovery ? ((AlarmRecoveryMessage) 
msg).getRecoveryTime() : now);
-        switch (msg.getScopeId()) {
-            case DefaultScopeDefine.SERVICE:
-                IDManager.ServiceID.ServiceIDDefinition serviceIdDef = 
IDManager.ServiceID.analysisId(msg.getId0());
-                builder.setSource(
-                        Source.newBuilder()
-                                .setService(serviceIdDef.getName())
-                                .build()
-                );
-                builder.setLayer(getLayer(msg.getId0()));
-                events.add(builder.build());
-                break;
-            case DefaultScopeDefine.SERVICE_RELATION:
-                IDManager.ServiceID.ServiceIDDefinition sourceServiceIdDef = 
IDManager.ServiceID.analysisId(msg.getId0());
-                builder.setSource(
-                        Source.newBuilder()
-                                .setService(sourceServiceIdDef.getName())
-                                .build()
-                );
-                builder.setLayer(getLayer(msg.getId0()));
-                events.add(builder.build());
-                IDManager.ServiceID.ServiceIDDefinition destServiceIdDef = 
IDManager.ServiceID.analysisId(msg.getId1());
-                builder.setSource(
-                        Source.newBuilder()
-                                .setService(destServiceIdDef.getName())
-                                .build()
-                ).setUuid(UUID.randomUUID().toString());
-                builder.setLayer(getLayer(msg.getId1()));
-                events.add(builder.build());
-                break;
-            case DefaultScopeDefine.SERVICE_INSTANCE:
-                IDManager.ServiceInstanceID.InstanceIDDefinition instanceIdDef 
= IDManager.ServiceInstanceID.analysisId(msg.getId0());
-                builder.setSource(
-                        Source.newBuilder()
-                                .setServiceInstance(instanceIdDef.getName())
-                                
.setService(IDManager.ServiceID.analysisId(instanceIdDef.getServiceId()).getName())
-                                .build()
-                );
-                builder.setLayer(getLayer(instanceIdDef.getServiceId()));
-                events.add(builder.build());
-                break;
-            case DefaultScopeDefine.SERVICE_INSTANCE_RELATION:
-                IDManager.ServiceInstanceID.InstanceIDDefinition 
sourceInstanceIdDef = IDManager.ServiceInstanceID.analysisId(msg.getId0());
-                builder.setSource(
-                        Source.newBuilder()
-                                
.setServiceInstance(sourceInstanceIdDef.getName())
-                                
.setService(IDManager.ServiceID.analysisId(sourceInstanceIdDef.getServiceId()).getName())
-                                .build()
-                );
-                builder.setLayer(getLayer(sourceInstanceIdDef.getServiceId()));
-                events.add(builder.build());
-                IDManager.ServiceInstanceID.InstanceIDDefinition 
destInstanceIdDef = IDManager.ServiceInstanceID.analysisId(msg.getId1());
-                builder.setSource(
-                        Source.newBuilder()
-                                
.setServiceInstance(destInstanceIdDef.getName())
-                                
.setService(IDManager.ServiceID.analysisId(destInstanceIdDef.getServiceId()).getName())
-                                .build()
-                ).setUuid(UUID.randomUUID().toString());
-                builder.setLayer(getLayer(destInstanceIdDef.getServiceId()));
-                events.add(builder.build());
-                break;
-            case DefaultScopeDefine.ENDPOINT:
-                IDManager.EndpointID.EndpointIDDefinition endpointIDDef = 
IDManager.EndpointID.analysisId(msg.getId0());
-                builder.setSource(
-                        Source.newBuilder()
-                                .setEndpoint(endpointIDDef.getEndpointName())
-                                
.setService(IDManager.ServiceID.analysisId(endpointIDDef.getServiceId()).getName())
-                                .build()
-                );
-                builder.setLayer(getLayer(endpointIDDef.getServiceId()));
-                events.add(builder.build());
-                break;
-            case DefaultScopeDefine.ENDPOINT_RELATION:
-                IDManager.EndpointID.EndpointIDDefinition sourceEndpointIDDef 
= IDManager.EndpointID.analysisId(msg.getId0());
-                builder.setSource(
-                        Source.newBuilder()
-                                
.setEndpoint(sourceEndpointIDDef.getEndpointName())
-                                
.setService(IDManager.ServiceID.analysisId(sourceEndpointIDDef.getServiceId()).getName())
-                                .build()
-                );
-                builder.setLayer(getLayer(sourceEndpointIDDef.getServiceId()));
-                events.add(builder.build());
-                IDManager.EndpointID.EndpointIDDefinition destEndpointIDDef = 
IDManager.EndpointID.analysisId(msg.getId1());
-                builder.setSource(
-                        Source.newBuilder()
-                                
.setEndpoint(destEndpointIDDef.getEndpointName())
-                                
.setService(IDManager.ServiceID.analysisId(destEndpointIDDef.getServiceId()).getName())
-                                .build()
-                ).setUuid(UUID.randomUUID().toString());
-                builder.setLayer(getLayer(destEndpointIDDef.getServiceId()));
-                events.add(builder.build());
-                break;
-        }
-        return events;
-    }
-}
diff --git 
a/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/NotifyHandler.java
 
b/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/NotifyHandler.java
index 8e55f7ffb2..0d3473734a 100644
--- 
a/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/NotifyHandler.java
+++ 
b/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/NotifyHandler.java
@@ -241,7 +241,6 @@ public class NotifyHandler implements MetricsNotify {
         allCallbacks.add(new WechatHookCallback(alarmRulesWatcher));
         allCallbacks.add(new DingtalkHookCallback(alarmRulesWatcher));
         allCallbacks.add(new FeishuHookCallback(alarmRulesWatcher));
-        allCallbacks.add(new EventHookCallback(this.manager));
         allCallbacks.add(new WeLinkHookCallback(alarmRulesWatcher));
         allCallbacks.add(new PagerDutyHookCallback(alarmRulesWatcher));
         allCallbacks.add(new DiscordHookCallback(alarmRulesWatcher));
diff --git 
a/oap-server/server-alarm-plugin/src/test/java/org/apache/skywalking/oap/server/core/alarm/provider/EventHookCallbackTest.java
 
b/oap-server/server-alarm-plugin/src/test/java/org/apache/skywalking/oap/server/core/alarm/provider/EventHookCallbackTest.java
deleted file mode 100644
index de333eccb7..0000000000
--- 
a/oap-server/server-alarm-plugin/src/test/java/org/apache/skywalking/oap/server/core/alarm/provider/EventHookCallbackTest.java
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package org.apache.skywalking.oap.server.core.alarm.provider;
-
-import org.apache.skywalking.apm.network.event.v3.Event;
-import org.apache.skywalking.oap.server.analyzer.event.EventAnalyzerService;
-import 
org.apache.skywalking.oap.server.analyzer.event.EventAnalyzerServiceImpl;
-import org.apache.skywalking.oap.server.core.CoreModule;
-import org.apache.skywalking.oap.server.core.alarm.AlarmMessage;
-import org.apache.skywalking.oap.server.core.analysis.IDManager;
-import org.apache.skywalking.oap.server.core.analysis.Layer;
-import org.apache.skywalking.oap.server.core.query.MetadataQueryService;
-import org.apache.skywalking.oap.server.core.query.type.Service;
-import org.apache.skywalking.oap.server.core.source.DefaultScopeDefine;
-import org.apache.skywalking.oap.server.library.module.ModuleManager;
-import org.apache.skywalking.oap.server.library.module.ModuleProviderHolder;
-import org.apache.skywalking.oap.server.library.module.ModuleServiceHolder;
-import org.junit.jupiter.api.Test;
-import org.mockito.ArgumentCaptor;
-
-import java.util.Arrays;
-import java.util.List;
-
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-public class EventHookCallbackTest {
-
-    private ModuleManager moduleManager = mock(ModuleManager.class);
-
-    private ModuleProviderHolder moduleProviderHolder = 
mock(ModuleProviderHolder.class);
-
-    private ModuleServiceHolder moduleServiceHolder = 
mock(ModuleServiceHolder.class);
-
-    private MockEventAnalyzerService mockEventAnalyzerService = 
mock(MockEventAnalyzerService.class);
-
-    private EventAnalyzerService eventAnalyzerService = 
mock(EventAnalyzerServiceImpl.class);
-
-    private MetadataQueryService metadataQueryService = 
mock(MetadataQueryService.class);
-
-    @Test
-    public void testEventCallbackHasRightFlow() throws Exception {
-        List<AlarmMessage> msgs = mockAlarmMessagesHasSingleElement();
-        EventHookCallback callback = new EventHookCallback(this.moduleManager);
-        
when(moduleManager.find("event-analyzer")).thenReturn(moduleProviderHolder);
-        when(moduleProviderHolder.provider()).thenReturn(moduleServiceHolder);
-        
when(moduleServiceHolder.getService(EventAnalyzerService.class)).thenReturn(mockEventAnalyzerService);
-        
when(moduleManager.find(CoreModule.NAME)).thenReturn(moduleProviderHolder);
-        
when(moduleServiceHolder.getService(MetadataQueryService.class)).thenReturn(metadataQueryService);
-        Service service = mockService();
-        
when(metadataQueryService.getService(service.getId())).thenReturn(service);
-        //make sure current service be called.
-        callback.doAlarm(msgs);
-        verify(mockEventAnalyzerService).analyze(any(Event.class));
-
-        
when(moduleServiceHolder.getService(EventAnalyzerService.class)).thenReturn(eventAnalyzerService);
-        callback.doAlarm(msgs);
-        //Ensure that the current Event is properly constructed
-        ArgumentCaptor<Event> argument = ArgumentCaptor.forClass(Event.class);
-        verify(eventAnalyzerService).analyze(argument.capture());
-        Event value = argument.getValue();
-        AlarmMessage msg = msgs.get(0);
-        assertEquals(msg.getName(), value.getSource().getService());
-        assertEquals("Alarm", value.getName());
-        assertEquals(msg.getAlarmMessage(), value.getMessage());
-        assertEquals(msg.getPeriod(), (value.getEndTime() - 
value.getStartTime()) / 1000 / 60);
-        assertEquals(service.getLayers().iterator().next(), value.getLayer());
-
-    }
-
-    @Test
-    public void testRelationEventBeProperlyConstructed() throws Exception {
-        List<AlarmMessage> msgs = mockAlarmMessagesHasSourceAndDest();
-        EventHookCallback callback = new EventHookCallback(this.moduleManager);
-        
when(moduleManager.find("event-analyzer")).thenReturn(moduleProviderHolder);
-        when(moduleProviderHolder.provider()).thenReturn(moduleServiceHolder);
-        
when(moduleServiceHolder.getService(EventAnalyzerService.class)).thenReturn(eventAnalyzerService);
-        
when(moduleManager.find(CoreModule.NAME)).thenReturn(moduleProviderHolder);
-        
when(moduleServiceHolder.getService(MetadataQueryService.class)).thenReturn(metadataQueryService);
-        Service service = mockService();
-        
when(metadataQueryService.getService(service.getId())).thenReturn(service);
-        callback.doAlarm(msgs);
-
-        ArgumentCaptor<Event> argument = ArgumentCaptor.forClass(Event.class);
-        verify(eventAnalyzerService, times(2)).analyze(argument.capture());
-        List<Event> events = argument.getAllValues();
-        assertEquals(events.size(), 2);
-        Event sourceEvent = events.get(0);
-        Event destEvent = events.get(1);
-        AlarmMessage msg = msgs.get(0);
-        assertEquals(sourceEvent.getSource().getService(), 
IDManager.ServiceID.analysisId(msg.getId0()).getName());
-        assertEquals((sourceEvent.getEndTime() - sourceEvent.getStartTime()) / 
1000 / 60, msg.getPeriod());
-        assertEquals(destEvent.getSource().getService(), 
IDManager.ServiceID.analysisId(msg.getId1()).getName());
-        assertEquals((destEvent.getEndTime() - destEvent.getStartTime()) / 
1000 / 60, msg.getPeriod());
-        assertEquals(service.getLayers().iterator().next(), 
sourceEvent.getLayer());
-        assertEquals(Layer.UNDEFINED.name(), destEvent.getLayer());
-    }
-
-    private List<AlarmMessage> mockAlarmMessagesHasSingleElement() {
-        AlarmMessage msg = new AlarmMessage();
-        msg.setScopeId(DefaultScopeDefine.SERVICE);
-        msg.setScope("SERVICE");
-        msg.setName("test-skywalking");
-        msg.setId0("dGVzdC1za3l3YWxraW5n.1");
-        msg.setAlarmMessage("Alarm caused by Rule service_resp_time_rule");
-        msg.setPeriod(3);
-        return Arrays.asList(msg);
-    }
-
-    private List<AlarmMessage> mockAlarmMessagesHasSourceAndDest() {
-        AlarmMessage msg = new AlarmMessage();
-        msg.setScopeId(DefaultScopeDefine.SERVICE_RELATION);
-        msg.setScope("");
-        msg.setName("test-skywalking");
-        msg.setId0(IDManager.ServiceID.buildId("test-skywalking", true));
-        msg.setId1(IDManager.ServiceID.buildId("destIdStr", true));
-        msg.setAlarmMessage("Alarm caused by Rule service_resp_time_rule");
-        msg.setPeriod(5);
-        return Arrays.asList(msg);
-    }
-
-    private Service mockService() {
-        Service service = new Service();
-        service.setName("test-skywalking");
-        service.setId(IDManager.ServiceID.buildId(service.getName(), true));
-        service.getLayers().add(Layer.GENERAL.name());
-        return service;
-    }
-
-    class MockEventAnalyzerService implements EventAnalyzerService {
-
-        @Override
-        public void analyze(Event event) {
-            //ignore current mock process.
-        }
-    }
-}
diff --git a/test/e2e-v2/CLAUDE.md b/test/e2e-v2/CLAUDE.md
index 894e527832..37e43194a2 100644
--- a/test/e2e-v2/CLAUDE.md
+++ b/test/e2e-v2/CLAUDE.md
@@ -354,19 +354,6 @@ msgs:
     tags:
       - key: level
         value: WARNING
-    events:
-      {{- contains .events }}
-      - uuid: {{ notEmpty .uuid }}
-        source:
-          service: e2e-service-provider
-          serviceinstance: ""
-          endpoint: ""
-        name: Alarm
-        message: {{ notEmpty .message }}
-        starttime: {{ gt .starttime 0 }}
-        endtime: {{ gt .endtime 0 }}
-        layer: GENERAL
-      {{- end }}
   {{- end }}
 ```
 
diff --git 
a/test/e2e-v2/cases/alarm/expected/silence-after-graphql-critical.yml 
b/test/e2e-v2/cases/alarm/expected/silence-after-graphql-critical.yml
index a4b608c285..f4f4015387 100644
--- a/test/e2e-v2/cases/alarm/expected/silence-after-graphql-critical.yml
+++ b/test/e2e-v2/cases/alarm/expected/silence-after-graphql-critical.yml
@@ -25,21 +25,7 @@ msgs:
         value: CRITICAL
       - key: receivers
         value: zhangsan
-    events:
-      {{- contains .events }}
-      - uuid: {{ notEmpty .uuid}}
-        source:
-          service: e2e-service-provider
-          serviceinstance: ""
-          endpoint: ""
-        name: Alarm
-        type: ""
-        message: {{ notEmpty .message}}
-        parameters: []
-        starttime: {{ gt .starttime 0 }}
-        endtime: {{ gt .endtime 0 }}
-        layer: GENERAL
-      {{- end }}
+    events: []
     snapshot:
       expression: sum((service_resp_time > 100) && (service_sla > 1)) >= 1
       metrics:
diff --git a/test/e2e-v2/cases/alarm/expected/silence-after-graphql-warn.yml 
b/test/e2e-v2/cases/alarm/expected/silence-after-graphql-warn.yml
index 50b81cb282..d4f79281af 100644
--- a/test/e2e-v2/cases/alarm/expected/silence-after-graphql-warn.yml
+++ b/test/e2e-v2/cases/alarm/expected/silence-after-graphql-warn.yml
@@ -25,21 +25,7 @@ msgs:
         value: WARNING
       - key: receivers
         value: lisi
-    events:
-      {{- contains .events }}
-      - uuid: {{ notEmpty .uuid }}
-        source:
-          service: e2e-service-provider
-          serviceinstance: ""
-          endpoint: ""
-        name: Alarm
-        type: ""
-        message: {{ notEmpty .message }}
-        parameters: []
-        starttime: {{ gt .starttime 0 }}
-        endtime: {{ gt .endtime 0 }}
-        layer: GENERAL
-      {{- end }}
+    events: []
     snapshot:
       expression: sum(service_percentile{p='50,75,90,95,99'} > 100) >= 3
       metrics:
@@ -70,21 +56,7 @@ msgs:
         value: WARNING
       - key: receivers
         value: lisi
-    events:
-      {{- contains .events }}
-      - uuid: {{ notEmpty .uuid}}
-        source:
-          service: e2e-service-provider
-          serviceinstance: ""
-          endpoint: ""
-        name: Alarm
-        type: ""
-        message: {{ notEmpty .message}}
-        parameters: []
-        starttime: {{ gt .starttime 0 }}
-        endtime: {{ gt .endtime 0 }}
-        layer: GENERAL
-      {{- end }}
+    events: []
     snapshot:
       expression: sum(abs(increase(service_resp_time,1)) > 0) >= 1
       metrics:
diff --git 
a/test/e2e-v2/cases/alarm/expected/silence-before-graphql-critical.yml 
b/test/e2e-v2/cases/alarm/expected/silence-before-graphql-critical.yml
index a4b608c285..f4f4015387 100644
--- a/test/e2e-v2/cases/alarm/expected/silence-before-graphql-critical.yml
+++ b/test/e2e-v2/cases/alarm/expected/silence-before-graphql-critical.yml
@@ -25,21 +25,7 @@ msgs:
         value: CRITICAL
       - key: receivers
         value: zhangsan
-    events:
-      {{- contains .events }}
-      - uuid: {{ notEmpty .uuid}}
-        source:
-          service: e2e-service-provider
-          serviceinstance: ""
-          endpoint: ""
-        name: Alarm
-        type: ""
-        message: {{ notEmpty .message}}
-        parameters: []
-        starttime: {{ gt .starttime 0 }}
-        endtime: {{ gt .endtime 0 }}
-        layer: GENERAL
-      {{- end }}
+    events: []
     snapshot:
       expression: sum((service_resp_time > 100) && (service_sla > 1)) >= 1
       metrics:
diff --git a/test/e2e-v2/cases/alarm/expected/silence-before-graphql-warn.yml 
b/test/e2e-v2/cases/alarm/expected/silence-before-graphql-warn.yml
index 6d19c8185d..dd6e258b85 100644
--- a/test/e2e-v2/cases/alarm/expected/silence-before-graphql-warn.yml
+++ b/test/e2e-v2/cases/alarm/expected/silence-before-graphql-warn.yml
@@ -25,21 +25,7 @@ msgs:
         value: WARNING
       - key: receivers
         value: lisi
-    events:
-      {{- contains .events }}
-      - uuid: {{ notEmpty .uuid }}
-        source:
-          service: e2e-service-provider
-          serviceinstance: ""
-          endpoint: ""
-        name: Alarm
-        type: ""
-        message: {{ notEmpty .message }}
-        parameters: []
-        starttime: {{ gt .starttime 0 }}
-        endtime: {{ gt .endtime 0 }}
-        layer: GENERAL
-      {{- end }}
+    events: []
     snapshot:
       expression: sum(service_percentile{p='50,75,90,95,99'} > 100) >= 3
       metrics:
@@ -70,21 +56,7 @@ msgs:
         value: WARNING
       - key: receivers
         value: lisi
-    events:
-      {{- contains .events }}
-      - uuid: {{ notEmpty .uuid}}
-        source:
-          service: e2e-service-provider
-          serviceinstance: ""
-          endpoint: ""
-        name: Alarm
-        type: ""
-        message: {{ notEmpty .message}}
-        parameters: []
-        starttime: {{ gt .starttime 0 }}
-        endtime: {{ gt .endtime 0 }}
-        layer: GENERAL
-      {{- end }}
+    events: []
     snapshot:
       expression: sum(abs(increase(service_resp_time,1)) > 0) >= 1
       metrics:
diff --git a/test/e2e-v2/cases/baseline/expected/critical.yml 
b/test/e2e-v2/cases/baseline/expected/critical.yml
index 6d3431adc4..8a0ccd4d2e 100644
--- a/test/e2e-v2/cases/baseline/expected/critical.yml
+++ b/test/e2e-v2/cases/baseline/expected/critical.yml
@@ -25,21 +25,7 @@ msgs:
         value: CRITICAL
       - key: receivers
         value: zhangsan
-    events:
-      {{- contains .events }}
-      - uuid: {{ notEmpty .uuid }}
-        source:
-          service: e2e-test-dest-service
-          serviceinstance: ""
-          endpoint: ""
-        name: Alarm
-        type: ""
-        message: {{ notEmpty .message }}
-        parameters: []
-        starttime: {{ gt .starttime 0 }}
-        endtime: {{ gt .endtime 0 }}
-        layer: {{ notEmpty .layer }}
-      {{- end }}
+    events: []
     snapshot:
       expression: sum(service_resp_time > baseline(service_resp_time,lower)) 
>= 1
       metrics:

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