init
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shuhongfan
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>sentinel-demo</artifactId>
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<groupId>com.alibaba.csp</groupId>
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<version>1.8.3</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>sentinel-demo-apache-httpclient</artifactId>
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<properties>
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<spring.boot.version>2.1.3.RELEASE</spring.boot.version>
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<test.framework.version>4.3</test.framework.version>
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<apache.httpclient.version>4.5.6</apache.httpclient.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>com.alibaba.csp</groupId>
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<artifactId>sentinel-core</artifactId>
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</dependency>
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<dependency>
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<groupId>com.alibaba.csp</groupId>
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<artifactId>sentinel-transport-simple-http</artifactId>
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</dependency>
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<dependency>
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<groupId>com.alibaba.csp</groupId>
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<artifactId>sentinel-apache-httpclient-adapter</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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<version>${spring.boot.version}</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<version>${spring.boot.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.httpcomponents</groupId>
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<artifactId>httpclient</artifactId>
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<version>${apache.httpclient.version}</version>
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</dependency>
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</dependencies>
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</project>
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@@ -0,0 +1,35 @@
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/*
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* Copyright 1999-2020 Alibaba Group Holding Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.alibaba.csp.sentinel.demo.apache.httpclient;
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import org.springframework.boot.CommandLineRunner;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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/**
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* @author zhaoyuguang
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*/
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@SpringBootApplication
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public class ApacheHttpClientDemoApplication implements CommandLineRunner {
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public static void main(String[] args) {
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SpringApplication.run(ApacheHttpClientDemoApplication.class);
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}
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@Override
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public void run(String... args) {
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}
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}
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@@ -0,0 +1,114 @@
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/*
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* Copyright 1999-2020 Alibaba Group Holding Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.alibaba.csp.sentinel.demo.apache.httpclient.controller;
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import com.alibaba.csp.sentinel.adapter.apache.httpclient.SentinelApacheHttpClientBuilder;
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import com.alibaba.csp.sentinel.adapter.apache.httpclient.config.SentinelApacheHttpClientConfig;
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import com.alibaba.csp.sentinel.adapter.apache.httpclient.extractor.ApacheHttpClientResourceExtractor;
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import org.apache.http.HttpEntity;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.client.methods.HttpRequestWrapper;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.protocol.BasicHttpContext;
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import org.apache.http.protocol.HttpContext;
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import org.apache.http.util.EntityUtils;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import java.io.IOException;
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/**
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* @author zhaoyuguang
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*/
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@RestController
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public class ApacheHttpClientTestController {
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@Value("${server.port}")
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private Integer port;
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@RequestMapping("/httpclient/back")
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public String back() {
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System.out.println("back");
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return "Welcome Back!";
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}
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@RequestMapping("/httpclient/back/{id}")
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public String back(@PathVariable String id) {
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System.out.println("back");
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return "Welcome Back! " + id;
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}
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@RequestMapping("/httpclient/sync")
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public String sync() throws Exception {
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SentinelApacheHttpClientConfig config = new SentinelApacheHttpClientConfig();
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config.setExtractor(new ApacheHttpClientResourceExtractor() {
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@Override
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public String extractor(HttpRequestWrapper request) {
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String contains = "/httpclient/back/";
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String uri = request.getRequestLine().getUri();
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if (uri.startsWith(contains)) {
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uri = uri.substring(0, uri.indexOf(contains) + contains.length()) + "{id}";
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}
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return request.getMethod() + ":" + uri;
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}
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});
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CloseableHttpClient httpclient = new SentinelApacheHttpClientBuilder(config).build();
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HttpGet httpGet = new HttpGet("http://localhost:" + port + "/httpclient/back");
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return getRemoteString(httpclient, httpGet);
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}
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@RequestMapping("/httpclient/sync/{id}")
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public String sync(@PathVariable String id) throws Exception {
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SentinelApacheHttpClientConfig config = new SentinelApacheHttpClientConfig();
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config.setExtractor(new ApacheHttpClientResourceExtractor() {
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@Override
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public String extractor(HttpRequestWrapper request) {
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String contains = "/httpclient/back/";
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String uri = request.getRequestLine().getUri();
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if (uri.startsWith(contains)) {
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uri = uri.substring(0, uri.indexOf(contains) + contains.length()) + "{id}";
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}
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return request.getMethod() + ":" + uri;
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}
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});
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CloseableHttpClient httpclient = new SentinelApacheHttpClientBuilder(config).build();
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HttpGet httpGet = new HttpGet("http://localhost:" + port + "/httpclient/back/" + id);
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return getRemoteString(httpclient, httpGet);
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}
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private String getRemoteString(CloseableHttpClient httpclient, HttpGet httpGet) throws IOException {
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String result;
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HttpContext context = new BasicHttpContext();
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CloseableHttpResponse response;
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response = httpclient.execute(httpGet, context);
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try {
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HttpEntity entity = response.getEntity();
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result = EntityUtils.toString(entity, "utf-8");
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EntityUtils.consume(entity);
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} finally {
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response.close();
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}
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httpclient.close();
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return result;
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}
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}
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@@ -0,0 +1,2 @@
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spring.application.name=sentinel-demo-apache-httpclient
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server.port=8083
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