wu-sheng commented on a change in pull request #5519:
URL: https://github.com/apache/skywalking/pull/5519#discussion_r491254301



##########
File path: 
apm-sniffer/apm-agent-core/src/main/java/org/apache/skywalking/apm/agent/core/plugin/match/MultiClassNameMatch.java
##########
@@ -57,7 +57,7 @@ public boolean isMatch(TypeDescription typeDescription) {
         return matchClassNames.contains(typeDescription.getTypeName());
     }
 
-    public static ClassMatch byMultiClassMatch(String... classNames) {
+    public static IndirectMatch byMultiClassMatch(String... classNames) {

Review comment:
       Why need to change this?

##########
File path: apm-sniffer/apm-sdk-plugin/xxl-job-2.x-plugin/pom.xml
##########
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ 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.
+  ~
+  -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0";
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+    <parent>
+        <artifactId>apm-sdk-plugin</artifactId>
+        <groupId>org.apache.skywalking</groupId>
+        <version>8.2.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>apm-xxl-job-2.x-plugin</artifactId>
+    <packaging>jar</packaging>
+
+    <name>xxl-job-2.x-plugin</name>
+    <url>http://maven.apache.org</url>

Review comment:
       Why put maven URL here?

##########
File path: 
apm-sniffer/apm-sdk-plugin/xxl-job-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xxljob/ScriptJobHandlerMethodInterceptor.java
##########
@@ -0,0 +1,61 @@
+/*
+ * 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.apm.plugin.xxljob;
+
+import org.apache.skywalking.apm.agent.core.context.ContextManager;
+import org.apache.skywalking.apm.agent.core.context.tag.Tags;
+import org.apache.skywalking.apm.agent.core.context.trace.AbstractSpan;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceMethodsAroundInterceptor;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInterceptResult;
+import org.apache.skywalking.apm.network.trace.component.ComponentsDefine;
+
+import java.lang.reflect.Method;
+
+import static org.apache.skywalking.apm.plugin.xxljob.Constants.JOB_PARAM;
+
+/**
+ * Intercept method of {@link 
com.xxl.job.core.handler.impl.ScriptJobHandler#execute(String)}.
+ * record the xxl-job script job local span.
+ */
+public class ScriptJobHandlerMethodInterceptor implements 
InstanceMethodsAroundInterceptor {
+
+    @Override
+    public void beforeMethod(EnhancedInstance objInst, Method method, Object[] 
allArguments, Class<?>[] argumentsTypes, MethodInterceptResult result) throws 
Throwable {
+        String jobTypeAndId = (String) objInst.getSkyWalkingDynamicField();
+        String jobParam = (String) allArguments[0];
+        String operationName = ComponentsDefine.XXL_JOB.getName() + 
"/ScriptJob/" + jobTypeAndId;
+
+        AbstractSpan span = ContextManager.createLocalSpan(operationName);
+        span.setComponent(ComponentsDefine.XXL_JOB);
+        Tags.LOGIC_ENDPOINT.set(span, Tags.VAL_LOCAL_SPAN_AS_LOGIC_ENDPOINT);
+        span.tag(JOB_PARAM, jobParam);
+    }
+
+    @Override
+    public Object afterMethod(EnhancedInstance objInst, Method method, 
Object[] allArguments, Class<?>[] argumentsTypes, Object ret) throws Throwable {
+        ContextManager.stopSpan();
+        return ret;
+    }
+
+    @Override
+    public void handleMethodException(EnhancedInstance objInst, Method method, 
Object[] allArguments, Class<?>[] argumentsTypes, Throwable t) {
+        ContextManager.activeSpan().errorOccurred().log(t);

Review comment:
       ```suggestion
           ContextManager.activeSpan().log(t);
   ```
   
   Since #5426, `errorOccurred()` should be called when and only when the logic 
error, like response code 500.

##########
File path: 
apm-sniffer/apm-sdk-plugin/xxl-job-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xxljob/MethodJobHandlerMethodInterceptor.java
##########
@@ -0,0 +1,61 @@
+/*
+ * 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.apm.plugin.xxljob;
+
+import org.apache.skywalking.apm.agent.core.context.ContextManager;
+import org.apache.skywalking.apm.agent.core.context.tag.Tags;
+import org.apache.skywalking.apm.agent.core.context.trace.AbstractSpan;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceMethodsAroundInterceptor;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInterceptResult;
+import org.apache.skywalking.apm.network.trace.component.ComponentsDefine;
+
+import java.lang.reflect.Method;
+
+import static org.apache.skywalking.apm.plugin.xxljob.Constants.JOB_PARAM;
+
+/**
+ * Intercept method of {@link 
com.xxl.job.core.handler.impl.MethodJobHandler#execute(String)}.
+ * record the xxl-job method job local span.
+ */
+public class MethodJobHandlerMethodInterceptor implements 
InstanceMethodsAroundInterceptor {
+
+    @Override
+    public void beforeMethod(EnhancedInstance objInst, Method method, Object[] 
allArguments, Class<?>[] argumentsTypes, MethodInterceptResult result) throws 
Throwable {
+        String methodName = (String) objInst.getSkyWalkingDynamicField();
+        String jobParam = (String) allArguments[0];

Review comment:
       Is there any rule, such as length limitation, for this parameter? 

##########
File path: 
apm-sniffer/apm-sdk-plugin/xxl-job-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xxljob/SimpleJobHandlerMethodInterceptor.java
##########
@@ -0,0 +1,60 @@
+/*
+ * 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.apm.plugin.xxljob;
+
+import org.apache.skywalking.apm.agent.core.context.ContextManager;
+import org.apache.skywalking.apm.agent.core.context.tag.Tags;
+import org.apache.skywalking.apm.agent.core.context.trace.AbstractSpan;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceMethodsAroundInterceptor;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInterceptResult;
+import org.apache.skywalking.apm.network.trace.component.ComponentsDefine;
+
+import java.lang.reflect.Method;
+
+import static org.apache.skywalking.apm.plugin.xxljob.Constants.JOB_PARAM;
+
+/**
+ * Intercept execute(String) method on implement class of {@link 
com.xxl.job.core.handler.IJobHandler}.
+ * record the xxl-job simple job local span.
+ */
+public class SimpleJobHandlerMethodInterceptor implements 
InstanceMethodsAroundInterceptor {
+
+    @Override
+    public void beforeMethod(EnhancedInstance objInst, Method method, Object[] 
allArguments, Class<?>[] argumentsTypes, MethodInterceptResult result) throws 
Throwable {
+        String jobParam = (String) allArguments[0];
+        String operationName = ComponentsDefine.XXL_JOB.getName() + 
"/SimpleJob/" + method.getDeclaringClass().getName();
+
+        AbstractSpan span = ContextManager.createLocalSpan(operationName);
+        span.setComponent(ComponentsDefine.XXL_JOB);
+        Tags.LOGIC_ENDPOINT.set(span, Tags.VAL_LOCAL_SPAN_AS_LOGIC_ENDPOINT);
+        span.tag(JOB_PARAM, jobParam);
+    }
+
+    @Override
+    public Object afterMethod(EnhancedInstance objInst, Method method, 
Object[] allArguments, Class<?>[] argumentsTypes, Object ret) throws Throwable {
+        ContextManager.stopSpan();
+        return ret;
+    }
+
+    @Override
+    public void handleMethodException(EnhancedInstance objInst, Method method, 
Object[] allArguments, Class<?>[] argumentsTypes, Throwable t) {
+        ContextManager.activeSpan().errorOccurred().log(t);

Review comment:
       Same here about `errorOccurred`.

##########
File path: 
apm-sniffer/apm-sdk-plugin/xxl-job-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xxljob/MethodJobHandlerMethodInterceptor.java
##########
@@ -0,0 +1,61 @@
+/*
+ * 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.apm.plugin.xxljob;
+
+import org.apache.skywalking.apm.agent.core.context.ContextManager;
+import org.apache.skywalking.apm.agent.core.context.tag.Tags;
+import org.apache.skywalking.apm.agent.core.context.trace.AbstractSpan;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceMethodsAroundInterceptor;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInterceptResult;
+import org.apache.skywalking.apm.network.trace.component.ComponentsDefine;
+
+import java.lang.reflect.Method;
+
+import static org.apache.skywalking.apm.plugin.xxljob.Constants.JOB_PARAM;
+
+/**
+ * Intercept method of {@link 
com.xxl.job.core.handler.impl.MethodJobHandler#execute(String)}.
+ * record the xxl-job method job local span.
+ */
+public class MethodJobHandlerMethodInterceptor implements 
InstanceMethodsAroundInterceptor {
+
+    @Override
+    public void beforeMethod(EnhancedInstance objInst, Method method, Object[] 
allArguments, Class<?>[] argumentsTypes, MethodInterceptResult result) throws 
Throwable {
+        String methodName = (String) objInst.getSkyWalkingDynamicField();
+        String jobParam = (String) allArguments[0];
+        String operationName = ComponentsDefine.XXL_JOB.getName() + 
"/MethodJob/" + methodName;
+
+        AbstractSpan span = ContextManager.createLocalSpan(operationName);
+        span.setComponent(ComponentsDefine.XXL_JOB);
+        Tags.LOGIC_ENDPOINT.set(span, Tags.VAL_LOCAL_SPAN_AS_LOGIC_ENDPOINT);
+        span.tag(JOB_PARAM, jobParam);
+    }
+
+    @Override
+    public Object afterMethod(EnhancedInstance objInst, Method method, 
Object[] allArguments, Class<?>[] argumentsTypes, Object ret) throws Throwable {
+        ContextManager.stopSpan();
+        return ret;
+    }
+
+    @Override
+    public void handleMethodException(EnhancedInstance objInst, Method method, 
Object[] allArguments, Class<?>[] argumentsTypes, Throwable t) {
+        ContextManager.activeSpan().errorOccurred().log(t);

Review comment:
       Same `errorOccurred` here.

##########
File path: 
apm-sniffer/apm-sdk-plugin/xxl-job-2.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/xxljob/ScriptJobHandlerMethodInterceptor.java
##########
@@ -0,0 +1,61 @@
+/*
+ * 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.apm.plugin.xxljob;
+
+import org.apache.skywalking.apm.agent.core.context.ContextManager;
+import org.apache.skywalking.apm.agent.core.context.tag.Tags;
+import org.apache.skywalking.apm.agent.core.context.trace.AbstractSpan;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstanceMethodsAroundInterceptor;
+import 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInterceptResult;
+import org.apache.skywalking.apm.network.trace.component.ComponentsDefine;
+
+import java.lang.reflect.Method;
+
+import static org.apache.skywalking.apm.plugin.xxljob.Constants.JOB_PARAM;
+
+/**
+ * Intercept method of {@link 
com.xxl.job.core.handler.impl.ScriptJobHandler#execute(String)}.
+ * record the xxl-job script job local span.
+ */
+public class ScriptJobHandlerMethodInterceptor implements 
InstanceMethodsAroundInterceptor {
+
+    @Override
+    public void beforeMethod(EnhancedInstance objInst, Method method, Object[] 
allArguments, Class<?>[] argumentsTypes, MethodInterceptResult result) throws 
Throwable {
+        String jobTypeAndId = (String) objInst.getSkyWalkingDynamicField();
+        String jobParam = (String) allArguments[0];
+        String operationName = ComponentsDefine.XXL_JOB.getName() + 
"/ScriptJob/" + jobTypeAndId;
+
+        AbstractSpan span = ContextManager.createLocalSpan(operationName);
+        span.setComponent(ComponentsDefine.XXL_JOB);
+        Tags.LOGIC_ENDPOINT.set(span, Tags.VAL_LOCAL_SPAN_AS_LOGIC_ENDPOINT);
+        span.tag(JOB_PARAM, jobParam);
+    }
+
+    @Override
+    public Object afterMethod(EnhancedInstance objInst, Method method, 
Object[] allArguments, Class<?>[] argumentsTypes, Object ret) throws Throwable {
+        ContextManager.stopSpan();
+        return ret;
+    }
+
+    @Override
+    public void handleMethodException(EnhancedInstance objInst, Method method, 
Object[] allArguments, Class<?>[] argumentsTypes, Throwable t) {
+        ContextManager.activeSpan().errorOccurred().log(t);

Review comment:
       Normally, #log has included the `errorOccurred`.




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