Caused by: java.lang.IncompatibleClassChangeError: class org.bouncycastle.asn1.DERObject has interface org.bouncycastle.asn1.ASN1Encodable as super class
solution:
找到jdk的安装目录，查找jdk1.8->jre->lib->ext,看下面是不是有个类似这样的bcpro-ext-jdk15.jar，(和bouncycastle相关的),删掉再重启idea就好了