导入已有项目编译时出错,报: import sun.security.x509.CertAndKeyGen;找不到 而这个包属于sun公司的jar包.不是项目本身的问题,而是开发环境的问题. 最后原因:我使用的是jdk8,而该项目需要jdk7.  jdk版本不一致导致. 反思: 当进到一个新的项目组时,最好将所用开发软件的版本和项目组调整为一致.…

最近从 Op 那里报来一个问题,说是SFTP上传文件不成功.拿到的 Exception 如下: Caused by: java.lang.NoClassDefFoundError: Could not initialize class sun.security.ec.SunEC        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.7.0_111]        at sun.r…

今天用java HttpClients写爬虫在访问某Https站点报如下错误: sun.security.validator.ValidatorException: PKIX path building failed... 网上找了找解决方案,看到这篇博客:http://www.oschina.net/question/12_19249 http://www.oschina.net/code/snippet_12_4092 经测试,解决问题,这里做个记录. /* * Copyright 2006…

上周五遇到一个问题,工程本地编译运行正常,打包本地tomcat运行也正常.部署到测试环境报错: 2017-05-05 09:38:11.645 ERROR [HttpPoolClientsUtil.java:332] http请求异常javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.cert…

背景:最近看了很多Flutter漂亮的项目,想要尝试一下.所有环境都搭建好之后,按照文档一步一步配置(抄袭),但始终报如下图错误. PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target 找不到所请求目标的有效证书路径 起初以为只是Flutter有这个问题,一想…

今天,封装HttpClient使用ssl时报一下错误: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested ta…

用httpclient访问https 资源时,会出现异常,与环境也有关系,有些机器请求正常. javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification p…

抓取https网页时,报错sun.security.validator.ValidatorException: PKIX path building failed 解决办法 原因是https证书问题,java抓取时忽略掉证书才能访问.jsoup在调用前先执行下以下忽略证书请求就可以了. try { //先调用下忽略https证书的再请求才可以 HttpsUrlValidator.retrieveResponseFromServer(url); doc = Jsoup .connect(url)…

javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target 请求https出现错误, 要使用加密的请求 c…

1.使用HttpClient4.3 调用https出现如下错误: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to request…