Add jdk http plugin (#3171)

* add http

* update plugin

* Add StaticMethodsAroundInterceptor to be injected.

* move to options plugin

* move folder

* update pom

* support https

* add witness class

* Make JDK9-11 available for bootstrap instrumentation

* Remove temp folder of old bootstrap instrumentation requirement.

* remove witness ,work for jdk6,7,8,9,10,11

* Make JDK 12 works.

* move jdk-http-plugin to bootstrap-plugins folder

* add httpsclient

* update README.md

apm-protocol/apm-network/src/main/java/org/apache/skywalking/apm/network/trace/component/ComponentsDefine.java

@@ -126,6 +126,8 @@ public class ComponentsDefine {
 
     public static final OfficialComponent SPRING_ASYNC = new OfficialComponent(65, "SpringAsync");
 
+    public static final OfficialComponent JDK_HTTP = new OfficialComponent(66, "JdkHttp");
+
     private static ComponentsDefine INSTANCE = new ComponentsDefine();
 
     private String[] components;

apm-sniffer/bootstrap-plugins/jdk-http-plugin/pom.xml

+<!--
+  ~ 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>
+        <groupId>org.apache.skywalking</groupId>
+        <artifactId>bootstrap-plugins</artifactId>
+        <version>6.3.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>apm-jdk-http-plugin</artifactId>
+    <packaging>jar</packaging>
+
+    <name>apm-jdk-http-plugin</name>
+    <url>http://maven.apache.org</url>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-deploy-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>

apm-sniffer/bootstrap-plugins/jdk-http-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdk/http/HttpClientNewInstanceInterceptor.java

+/*
+ * 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.jdk.http;
+
+import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance;
+import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInterceptResult;
+import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.StaticMethodsAroundInterceptor;
+
+import java.lang.reflect.Method;
+
+/**
+ * @author lican
+ */
+public class HttpClientNewInstanceInterceptor implements StaticMethodsAroundInterceptor {
+
+
+    @Override
+    public void beforeMethod(Class clazz, Method method, Object[] allArguments, Class<?>[] parameterTypes, MethodInterceptResult result) {
+
+    }
+
+    @Override
+    public Object afterMethod(Class clazz, Method method, Object[] allArguments, Class<?>[] parameterTypes, Object ret) {
+        if (ret instanceof EnhancedInstance) {
+            ((EnhancedInstance) ret).setSkyWalkingDynamicField(allArguments[4]);
+        }
+        return ret;
+    }
+
+    @Override
+    public void handleMethodException(Class clazz, Method method, Object[] allArguments, Class<?>[] parameterTypes, Throwable t) {
+
+    }
+}
\ No newline at end of file

apm-sniffer/bootstrap-plugins/jdk-http-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdk/http/HttpClientParseHttpInterceptor.java

+/*
+ * 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.jdk.http;
+
+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.util.StringUtil;
+import sun.net.www.MessageHeader;
+
+import java.lang.reflect.Method;
+
+/**
+ * @author lican
+ */
+public class HttpClientParseHttpInterceptor implements InstanceMethodsAroundInterceptor {
+
+
+    @Override
+    public void beforeMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes,
+                             MethodInterceptResult result) throws Throwable {
+
+    }
+
+
+    @Override
+    public Object afterMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes,
+                              Object ret) throws Throwable {
+        MessageHeader responseHeader = (MessageHeader) allArguments[0];
+        String statusLine = responseHeader.getValue(0);
+        Integer responseCode = parseResponseCode(statusLine);
+        if (responseCode >= 400) {
+            AbstractSpan span = ContextManager.activeSpan();
+            span.errorOccurred();
+            Tags.STATUS_CODE.set(span, Integer.toString(responseCode));
+        }
+        ContextManager.stopSpan();
+        return ret;
+    }
+
+    @Override
+    public void handleMethodException(EnhancedInstance objInst, Method method, Object[] allArguments,
+                                      Class<?>[] argumentsTypes, Throwable t) {
+        AbstractSpan span = ContextManager.activeSpan();
+        span.errorOccurred().log(t);
+    }
+
+
+    /**
+     * <PRE>
+     * HTTP/1.0 200 OK
+     * HTTP/1.0 401 Unauthorized
+     * </PRE>
+     * It will return 200 and 401 respectively.
+     * Returns -1 if no code can be discerned
+     */
+    private Integer parseResponseCode(String statusLine) {
+        if (!StringUtil.isEmpty(statusLine)) {
+            String[] results = statusLine.split(" ");
+            if (results.length >= 1) {
+                try {
+                    return Integer.valueOf(results[1]);
+                } catch (Exception e) {
+                }
+            }
+        }
+        return -1;
+    }
+
+
+}
\ No newline at end of file

apm-sniffer/bootstrap-plugins/jdk-http-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdk/http/HttpClientWriteRequestInterceptor.java

+/*
+ * 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.jdk.http;
+
+import org.apache.skywalking.apm.agent.core.context.CarrierItem;
+import org.apache.skywalking.apm.agent.core.context.ContextCarrier;
+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.context.trace.SpanLayer;
+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 org.apache.skywalking.apm.util.StringUtil;
+import sun.net.www.MessageHeader;
+
+import java.lang.reflect.Method;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+/**
+ * @author lican
+ */
+public class HttpClientWriteRequestInterceptor implements InstanceMethodsAroundInterceptor {
+
+
+    @Override
+    public void beforeMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes,
+                             MethodInterceptResult result) throws Throwable {
+        HttpURLConnection connection = (HttpURLConnection) objInst.getSkyWalkingDynamicField();
+        MessageHeader headers = (MessageHeader) allArguments[0];
+        URL url = connection.getURL();
+        ContextCarrier contextCarrier = new ContextCarrier();
+        AbstractSpan span = ContextManager.createExitSpan(getPath(url), contextCarrier, getPeer(url));
+        span.setComponent(ComponentsDefine.JDK_HTTP);
+        Tags.HTTP.METHOD.set(span, connection.getRequestMethod());
+        Tags.URL.set(span, url.toString());
+        SpanLayer.asHttp(span);
+        CarrierItem next = contextCarrier.items();
+        while (next.hasNext()) {
+            next = next.next();
+            headers.add(next.getHeadKey(), next.getHeadValue());
+        }
+    }
+
+
+    @Override
+    public Object afterMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes,
+                              Object ret) throws Throwable {
+        return ret;
+    }
+
+    @Override
+    public void handleMethodException(EnhancedInstance objInst, Method method, Object[] allArguments,
+                                      Class<?>[] argumentsTypes, Throwable t) {
+        AbstractSpan span = ContextManager.activeSpan();
+        span.errorOccurred().log(t);
+    }
+
+    private String getPeer(URL url) {
+        String host = url.getHost();
+        if (url.getPort() > 0) {
+            return host + ":" + url.getPort();
+        }
+        return host;
+    }
+
+    private String getPath(URL url) {
+        return StringUtil.isEmpty(url.getPath()) ? "/" : url.getPath();
+    }
+
+}
+

apm-sniffer/bootstrap-plugins/jdk-http-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdk/http/HttpsClientNewInstanceInterceptor.java

+/*
+ * 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.jdk.http;
+
+import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.EnhancedInstance;
+import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.MethodInterceptResult;
+import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.StaticMethodsAroundInterceptor;
+
+import java.lang.reflect.Method;
+
+/**
+ * @author lican
+ */
+public class HttpsClientNewInstanceInterceptor implements StaticMethodsAroundInterceptor {
+
+
+    @Override
+    public void beforeMethod(Class clazz, Method method, Object[] allArguments, Class<?>[] parameterTypes, MethodInterceptResult result) {
+
+    }
+
+    @Override
+    public Object afterMethod(Class clazz, Method method, Object[] allArguments, Class<?>[] parameterTypes, Object ret) {
+        if (ret instanceof EnhancedInstance) {
+            ((EnhancedInstance) ret).setSkyWalkingDynamicField(allArguments[6]);
+        }
+        return ret;
+    }
+
+    @Override
+    public void handleMethodException(Class clazz, Method method, Object[] allArguments, Class<?>[] parameterTypes, Throwable t) {
+
+    }
+}
\ No newline at end of file

apm-sniffer/bootstrap-plugins/jdk-http-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdk/http/define/HttpClientInstrumentation.java

+/*
+ * 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.jdk.http.define;
+
+import net.bytebuddy.description.method.MethodDescription;
+import net.bytebuddy.matcher.ElementMatcher;
+import org.apache.skywalking.apm.agent.core.plugin.interceptor.ConstructorInterceptPoint;
+import org.apache.skywalking.apm.agent.core.plugin.interceptor.DeclaredInstanceMethodsInterceptPoint;
+import org.apache.skywalking.apm.agent.core.plugin.interceptor.InstanceMethodsInterceptPoint;
+import org.apache.skywalking.apm.agent.core.plugin.interceptor.StaticMethodsInterceptPoint;
+import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.ClassEnhancePluginDefine;
+import org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;
+import org.apache.skywalking.apm.agent.core.plugin.match.NameMatch;
+
+import static net.bytebuddy.matcher.ElementMatchers.named;
+import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
+import static org.apache.skywalking.apm.agent.core.plugin.bytebuddy.ArgumentTypeNameMatch.takesArgumentWithType;
+
+/**
+ * @author lican
+ */
+public class HttpClientInstrumentation extends ClassEnhancePluginDefine {
+
+    private static final String ENHANCE_HTTP_CLASS = "sun.net.www.http.HttpClient";
+
+    private static final String AFTER_METHOD = "parseHTTP";
+
+    private static final String BEFORE_METHOD = "writeRequests";
+
+    private static final String NEW_INSTANCE_METHOD = "New";
+
+    private static final String INTERCEPT_PARSE_HTTP_CLASS = "org.apache.skywalking.apm.plugin.jdk.http.HttpClientParseHttpInterceptor";
+
+    private static final String INTERCEPT_WRITE_REQUEST_CLASS = "org.apache.skywalking.apm.plugin.jdk.http.HttpClientWriteRequestInterceptor";
+
+    private static final String INTERCEPT_HTTP_NEW_INSTANCE_CLASS = "org.apache.skywalking.apm.plugin.jdk.http.HttpClientNewInstanceInterceptor";
+
+    @Override
+    public ConstructorInterceptPoint[] getConstructorsInterceptPoints() {
+        return new ConstructorInterceptPoint[0];
+    }
+
+    @Override
+    public InstanceMethodsInterceptPoint[] getInstanceMethodsInterceptPoints() {
+        return new InstanceMethodsInterceptPoint[]{new DeclaredInstanceMethodsInterceptPoint() {
+            @Override
+            public ElementMatcher<MethodDescription> getMethodsMatcher() {
+                return named(AFTER_METHOD);
+            }
+
+            @Override
+            public String getMethodsInterceptor() {
+                return INTERCEPT_PARSE_HTTP_CLASS;
+            }
+
+            @Override
+            public boolean isOverrideArgs() {
+                return false;
+            }
+        }, new DeclaredInstanceMethodsInterceptPoint() {
+            @Override
+            public ElementMatcher<MethodDescription> getMethodsMatcher() {
+                return named(BEFORE_METHOD).and(takesArguments(2).or(takesArguments(1)));
+            }
+
+            @Override
+            public String getMethodsInterceptor() {
+                return INTERCEPT_WRITE_REQUEST_CLASS;
+            }
+
+            @Override
+            public boolean isOverrideArgs() {
+                return false;
+            }
+        }
+        };
+    }
+
+    @Override
+    public StaticMethodsInterceptPoint[] getStaticMethodsInterceptPoints() {
+        return new StaticMethodsInterceptPoint[]{new StaticMethodsInterceptPoint() {
+            @Override
+            public ElementMatcher<MethodDescription> getMethodsMatcher() {
+                return named(NEW_INSTANCE_METHOD)
+                        .and(takesArguments(5)
+                                .and(takesArgumentWithType(0, "java.net.URL"))
+                                .and(takesArgumentWithType(4, "sun.net.www.protocol.http.HttpURLConnection"))
+                        );
+            }
+
+            @Override
+            public String getMethodsInterceptor() {
+                return INTERCEPT_HTTP_NEW_INSTANCE_CLASS;
+            }
+
+            @Override
+            public boolean isOverrideArgs() {
+                return false;
+            }
+        }
+        };
+    }
+
+    @Override
+    protected ClassMatch enhanceClass() {
+        return NameMatch.byName(ENHANCE_HTTP_CLASS);
+    }
+
+
+    @Override
+    public boolean isBootstrapInstrumentation() {
+        return true;
+    }
+}
\ No newline at end of file

apm-sniffer/bootstrap-plugins/jdk-http-plugin/src/main/java/org/apache/skywalking/apm/plugin/jdk/http/define/HttpsClientInstrumentation.java

+/*
+ * 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.jdk.http.define;
+
+import net.bytebuddy.description.method.MethodDescription;
+import net.bytebuddy.matcher.ElementMatcher;
+import org.apache.skywalking.apm.agent.core.plugin.interceptor.ConstructorInterceptPoint;
+import org.apache.skywalking.apm.agent.core.plugin.interceptor.InstanceMethodsInterceptPoint;
+import org.apache.skywalking.apm.agent.core.plugin.interceptor.StaticMethodsInterceptPoint;
+import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.ClassEnhancePluginDefine;
+import org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;
+import org.apache.skywalking.apm.agent.core.plugin.match.NameMatch;
+
+import static net.bytebuddy.matcher.ElementMatchers.named;
+import static net.bytebuddy.matcher.ElementMatchers.takesArguments;
+import static org.apache.skywalking.apm.agent.core.plugin.bytebuddy.ArgumentTypeNameMatch.takesArgumentWithType;
+
+/**
+ * @author lican
+ */
+public class HttpsClientInstrumentation extends ClassEnhancePluginDefine {
+
+    private static final String ENHANCE_HTTPS_CLASS = "sun.net.www.protocol.https.HttpsClient";
+
+    private static final String NEW_INSTANCE_METHOD = "New";
+
+    private static final String INTERCEPT_HTTPS_NEW_INSTANCE_CLASS = "org.apache.skywalking.apm.plugin.jdk.http.HttpsClientNewInstanceInterceptor";
+
+
+    @Override
+    public ConstructorInterceptPoint[] getConstructorsInterceptPoints() {
+        return new ConstructorInterceptPoint[0];
+    }
+
+    @Override
+    public InstanceMethodsInterceptPoint[] getInstanceMethodsInterceptPoints() {
+        return new InstanceMethodsInterceptPoint[0];
+    }
+
+    @Override
+    public StaticMethodsInterceptPoint[] getStaticMethodsInterceptPoints() {
+        return new StaticMethodsInterceptPoint[]{new StaticMethodsInterceptPoint() {
+            @Override
+            public ElementMatcher<MethodDescription> getMethodsMatcher() {
+                return named(NEW_INSTANCE_METHOD)
+                        .and(takesArguments(7)
+                                .and(takesArgumentWithType(0, "javax.net.ssl.SSLSocketFactory"))
+                                .and(takesArgumentWithType(3, "java.net.Proxy"))
+                                .and(takesArgumentWithType(6, "sun.net.www.protocol.http.HttpURLConnection"))
+                        );
+            }
+
+            @Override
+            public String getMethodsInterceptor() {
+                return INTERCEPT_HTTPS_NEW_INSTANCE_CLASS;
+            }
+
+            @Override
+            public boolean isOverrideArgs() {
+                return false;
+            }
+        }
+        };
+    }
+
+    @Override
+    protected ClassMatch enhanceClass() {
+        return NameMatch.byName(ENHANCE_HTTPS_CLASS);
+    }
+
+
+    @Override
+    public boolean isBootstrapInstrumentation() {
+        return true;
+    }
+}
\ No newline at end of file

apm-sniffer/bootstrap-plugins/jdk-http-plugin/src/main/resources/skywalking-plugin.def

+# 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.
+
+jdk-http-plugin=org.apache.skywalking.apm.plugin.jdk.http.define.HttpClientInstrumentation
+jdk-http-plugin=org.apache.skywalking.apm.plugin.jdk.http.define.HttpsClientInstrumentation
\ No newline at end of file

apm-sniffer/bootstrap-plugins/pom.xml

+<?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-sniffer</artifactId>
+        <groupId>org.apache.skywalking</groupId>
+        <version>6.3.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>bootstrap-plugins</artifactId>
+    <packaging>pom</packaging>
+    <properties>
+        <shade.net.bytebuddy.source>net.bytebuddy</shade.net.bytebuddy.source>
+        <shade.net.bytebuddy.target>${shade.package}.${shade.net.bytebuddy.source}</shade.net.bytebuddy.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
+        <sdk.plugin.related.dir />
+        <agent.package.dest.dir>${project.build.directory}${sdk.plugin.related.dir}/../../../../skywalking-agent</agent.package.dest.dir>
+        <bootstrap.plugin.dest.dir>${agent.package.dest.dir}/bootstrap-plugins</bootstrap.plugin.dest.dir>
+
+        <ant-contrib.version>1.0b3</ant-contrib.version>
+        <ant-nodeps.version>1.8.1</ant-nodeps.version>
+    </properties>
+
+    <modules>
+        <module>jdk-http-plugin</module>
+    </modules>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.skywalking</groupId>
+            <artifactId>apm-agent-core</artifactId>
+            <version>${project.version}</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.skywalking</groupId>
+            <artifactId>apm-util</artifactId>
+            <version>${project.version}</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.skywalking</groupId>
+            <artifactId>apm-test-tools</artifactId>
+            <version>${project.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-shade-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>shade</goal>
+                        </goals>
+                        <configuration>
+                            <shadedArtifactAttached>false</shadedArtifactAttached>
+                            <createDependencyReducedPom>true</createDependencyReducedPom>
+                            <createSourcesJar>true</createSourcesJar>
+                            <shadeSourcesContent>true</shadeSourcesContent>
+                            <relocations>
+                                <relocation>
+                                    <pattern>${shade.net.bytebuddy.source}</pattern>
+                                    <shadedPattern>${shade.net.bytebuddy.target}</shadedPattern>
+                                </relocation>
+                            </relocations>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <artifactId>maven-antrun-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>run</goal>
+                        </goals>
+                        <configuration>
+                            <tasks>
+                                <taskdef resource="net/sf/antcontrib/antcontrib.properties" classpathref="maven.runtime.classpath" />
+                                <if>
+                                    <equals arg1="${project.packaging}" arg2="jar" />
+                                    <then>
+                                        <mkdir dir="${bootstrap.plugin.dest.dir}" />
+                                        <copy file="${project.build.directory}/${project.artifactId}-${project.version}.jar" tofile="${bootstrap.plugin.dest.dir}/${project.artifactId}-${project.version}.jar" overwrite="true" />
+                                    </then>
+                                </if>
+                            </tasks>
+                        </configuration>
+                    </execution>
+                </executions>
+                <dependencies>
+                    <dependency>
+                        <groupId>ant-contrib</groupId>
+                        <artifactId>ant-contrib</artifactId>
+                        <version>${ant-contrib.version}</version>
+                        <exclusions>
+                            <exclusion>
+                                <groupId>ant</groupId>
+                                <artifactId>ant</artifactId>
+                            </exclusion>
+                        </exclusions>
+                    </dependency>
+                    <dependency>
+                        <groupId>org.apache.ant</groupId>
+                        <artifactId>ant-nodeps</artifactId>
+                        <version>${ant-nodeps.version}</version>
+                    </dependency>
+                </dependencies>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
\ No newline at end of file

apm-sniffer/pom.xml

@@ -34,6 +34,7 @@
         <module>apm-sdk-plugin</module>
         <module>apm-toolkit-activation</module>
         <module>apm-test-tools</module>
+        <module>bootstrap-plugins</module>
         <module>optional-plugins</module>
     </modules>
 

docs/en/setup/service-agent/java-agent/README.md

@@ -23,6 +23,9 @@ The agent release dist is included in Apache [official release](http://skywalkin
     +-- optional-plugins
          apm-gson-2.x-plugin.jar
          .....
+    +-- bootstrap-plugins
+         jdk-http-plugin.jar
+         .....
     +-- logs
     skywalking-agent.jar
 ```
@@ -111,6 +114,10 @@ Now, we have the following known optional plugins.
 
 ## Bootstrap class plugins
 All bootstrap plugins are optional, due to unexpected risk. Bootstrap plugins are provided in `bootstrap-plugins` folder.
+For using these plugins, you need to put the target plugin jar file into `/plugins`.
+
+Now, we have the following known bootstrap plugins.
+* Plugin of JDK HttpURLConnection. Agent is compatible with JDK 1.6+
 
 ## Advanced Features
 * Set the settings through system properties for config file override. Read [setting override](Setting-override.md).

oap-server/server-starter/src/main/resources/component-libraries.yml

@@ -225,6 +225,9 @@ Solr:
 SpringAsync:
   id: 65
   languages: Java
+JdkHttp:
+  id: 66
+  languages: Java
 
 
 # .NET/.NET Core components