报表服务器和 微信服务器之间网络是通的，能ping 通，这是 错误日志：Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested targetat sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:397)at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:302)at sun.security.validator.Validator.validate(Validator.java:262)at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:324)at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:229)at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:124)at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1621)... 91 common frames omittedCaused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested targetat sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:141)at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:126)at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:280)at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:392)