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<title>线上环境调试方法</title>
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<h1>线上环境调试方法</h1>
<div class="details">
<span id="author" class="author">pxzxj</span><br>
<span id="author2" class="author">pudge.zxj@gmail.com</span><br>
<span id="author3" class="author">2021/12/02</span><br>
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<div id="toctitle">Table of Contents</div>
<span id="back-to-index"><a href="index.html">Back to index</a></span><ul class="sectlevel1">
<li><a href="#_背景">1. 背景</a></li>
<li><a href="#_方法">2. 方法</a></li>
</ul>
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</div>
<div id="content">
<div class="sect1">
<h2 id="_背景"><a class="anchor" href="#_背景"></a>1. 背景</h2>
<div class="sectionbody">
<div class="paragraph">
<p>在某些业务场景中，开发的功能无法本地验证，只能在测试环境甚至生产环境验证，典型的如调用其它厂商的Rest接口或者Webservice接口，
对方服务只能在内网环境访问，此时需要将开发的程序打包部署在内网环境进行调试验证，验证失败则根据异常信息修改代码重新打包部署，
如此重复数次甚至数十次直到联调成功，这个过程浪费大量时间在打包部署上面，更好的方式是直接在线上环境修改代码并执行验证。</p>
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<div class="sect1">
<h2 id="_方法"><a class="anchor" href="#_方法"></a>2. 方法</h2>
<div class="sectionbody">
<div class="paragraph">
<p><a href="https://github.com/pxzxj/webservice-demo/tree/master/client">webservice-client</a> 仓库中包含了一个 <code>Client</code> 类用于调用webservice，
按照下面步骤操作就可以在线上环境运行 <code>Client</code></p>
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<div class="olist arabic">
<ol class="arabic">
<li>
<p>执行 <code>mvn dependency:copy-dependencies</code> ，将webservice-client的所有依赖jar包下载到 <code>target/dependency</code> 目录中</p>
</li>
<li>
<p>线上环境新建一个项目目录client</p>
</li>
<li>
<p>client目录下新建lib目录并将第一步的所有jar包上传到lib目录下</p>
</li>
<li>
<p>client目录下新建src目录以及对应的包目录并在包下创建用于调用webservice接口的java文件</p>
</li>
<li>
<p>编译项目 <code>javac -cp lib/* -d bin  src/io/github/*.java</code></p>
</li>
<li>
<p>运行Client类 <code>java -cp bin;lib/* io.github.Client</code></p>
</li>
<li>
<p>如果有异常则修改 <code>Client</code> 类或者新增其它类并重复5、6步</p>
</li>
</ol>
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<div class="admonitionblock note">
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<td class="icon">
<i class="fa icon-note" title="Note"></i>
</td>
<td class="content">
在Linux环境下第6步 <code>-cp</code> 后的多个jar包路径使用分号连接，如果所有jar包都在同一目录内，可以使用 <code>find $your-jar-lib-fold  -name  *.jar | xargs | sed  "s/ /:/g"</code> 命令生成所有jar包的classpath结果
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<div class="admonitionblock note">
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<td class="icon">
<i class="fa icon-note" title="Note"></i>
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<td class="content">
不只是webservice，任何的java程序例如Spring Boot应用都可以使用这种方式在线上进行调试
</td>
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Last updated 2024-03-18 05:44:42 UTC
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