org.apache.http.impl.conn.PoolingHttpClientConnectionManager.setValidateAfterInactivity(I)V 错误的解决办法

问题概述

　　根据要求对Solr进行升级，各个配置升级改操到位后，启动项目时，单元测试模块不通过，导致项目一直无法启动，错误信

息：“ org.apache.http.impl.conn.PoolingHttpClientConnectionManager.setValidateAfterInactivity(I)V ”

升级的服务版本如下图所示：

 

部分截图如下：

 

控制台打印：

2019-08-02 10:32:53,668 [main] [org.apache.solr.client.solrj.impl.HttpClientUtil]-[DEBUG] Creating new http client, config:followRedirects=false&allowCompression=false

具体的错误信息如下：

java.lang.NoSuchMethodError: org.apache.http.impl.conn.PoolingHttpClientConnectionManager.setValidateAfterInactivity(I)V
	at org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:279)
	at org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:330)
	at org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:268)
	at org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:255)
	at org.apache.solr.client.solrj.impl.HttpSolrClient.<init>(HttpSolrClient.java:201)
	at org.apache.solr.client.solrj.impl.HttpSolrClient$Builder.build(HttpSolrClient.java:943)
	at com.huazai.b2c.aiyou.test.solrj.TSolrjClient.addDocument(TSolrjClient.java:37)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:538)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:760)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:460)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:206)

　　　解决办法

经过了几天的摸排，因为这个问题有点独特，网上基本上没有看到参考资料，然后就是从系统日志、到官方文档，还是没有头绪，最后通过控制台输出的日志，初步判定，为 HttpClientUtiil 包不兼容的问题，为什么要作出这样的判定呢，因为一般对老版本的系统进行升级改操的时候，最让人头痛的一个问题就是面临各种的不兼容的问题（需要根据个人经验来判定）；

从异常信息的第二行看，随初步判断为 HttpClientUtil 包不兼容的问题，将HttpClientUtil和SolrJ进行对称升级操作：

<dependency>
	<groupId>org.apache.solr</groupId>
	<artifactId>solr-solrj</artifactId>
	<version>8.2.0</version>
</dependency>
<dependency>
	<groupId>org.apache.httpcomponents</groupId>
	<artifactId>httpclient</artifactId>
	<version>4.5.9</version>
</dependency>		    

　后来从其依赖体系关系中摸查了哈，果不其然为 HttpClient 包的兼容问题导致的，如下图：

 

解决后再次请求：

 

 

 

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