我调用获取access_token接口，java报错sun.security.validator.ValidatorException: PKIX path building failed:

我看了微信证书更换的通知，也确认了代码中不含有trustStore、trustManage

也试过`keytool -importcert -keystore cacerts -storepass changeit -noprompt -file ./DigiCertGlobalRootG2.crt -alias digicertglobalrootg2`

但是代码里面依然报错