【异常】java.lang.IllegalArgumentException: Cannot locate declared field class org.apache.http.impl.client.HttpClientBuilder.dnsResolver 的解决方案

起因：使用htmlunit爬取外部网页的时候遇到这个异常：java.lang.IllegalArgumentException: Cannot locate declared field class org.apache.http.impl.client.HttpClientBuilder.dnsResolver

解决办法：将htmlunit的版本由2.27改为2.19

<dependency>
    <groupId>net.sourceforge.htmlunit</groupId>
    <artifactId>htmlunit</artifactId>
    <version>2.19</version>
</dependency>

下面是报错的截图：

【异常】java.lang.IllegalArgumentException: Cannot locate declared field class org.apache.http.impl.client.HttpClientBuilder.dnsResolver 的解决方案

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