21 lines
787 B
Markdown
21 lines
787 B
Markdown
# 如何追踪HttpClient发起HTTP调用？
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## httpclient 4.2.x
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- 引入所需插件
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```xml
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<!-- httpClient插件，监控httpClient 4.2的调用 -->
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<dependency>
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<groupId>com.ai.cloud</groupId>
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<artifactId>skywalking-httpClient-4.2.x-plugin</artifactId>
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<version>1.0-SNAPSHOT</version>
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</dependency>
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```
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- 使用SWTracingHttpClient封装所需的httpClient，此httpClient所有调用都会被监控
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```java
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HttpClient httpclient = new SWTracingHttpClient(new DefaultHttpClient());
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```
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- 上下文将被存储在http request head，中，默认名称和SkyWalkingFilter保持一致。
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- 如果服务端使用dubbox 2.8.4 的提供的http-rest，请使用方法重载
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```java
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HttpClient httpclient = new SWTracingHttpClient(new DefaultHttpClient(), "Dubbo-Attachments");
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``` |