"{\"@type\":\"java.lang.Exception\",\"cause\":{\"@type\":\"java.lang.IllegalArgumentException\",\"cause\":{\"@type\":\"java.security.InvalidKeyException\",\"localizedMessage\":\"Illegal key size\",\"message\":\"Illegal key size\",\"stackTrace\":[{\"className\":\"javax.crypto.Cipher\",\"fileName\":\"Cipher.java\",\"lineNumber\":1039,\"methodName\":\"checkCryptoPerm\",\"nativeMethod\":false},{\"className\":\"javax.crypto.Cipher\",\"fileName\":\"Cipher.java\",\"lineNumber\":805,\"methodName\":\"implInit\",\"nativeMethod\":false},{\"className\":\"javax.crypto.Cipher\",\"fileName\":\"Cipher.java\",\"lineNumber\":864,\"methodName\":\"chooseProvider\",\"nativeMethod\":false},{\"className\":\"javax.crypto.Cipher\",\"fileName\":\"Cipher.java\",\"lineNumber\":1396,\"methodName\":\"init\",\"nativeMethod\":false},{\"className\":\"javax.crypto.Cipher\",\"fileName\":\"Cipher.java\",\"lineNumber\":1327,\"methodName\":\"init\",\"nativeMethod\":false},{\"className\":\"com.wechat.pay.contrib.apache.httpclient.util.AesUtil\",\"fileName\":\"AesUtil.java\",\"lineNumber\":40,\"methodName\":\"decryptToString\",\"nativeMethod\":false},{\"className\":\"com.wechat.pay.contrib.apache.httpclient.util.CertSerializeUtil\",\"fileName\":\"CertSerializeUtil.java\",\"lineNumber\":42,\"methodName\":\"deserializeToCerts\",\"nativeMethod\":false},{\"className\":\"com.wechat.pay.contrib.apache.httpclient.cert.CertificatesManager\",\"fileName\":\"CertificatesManager.java\",\"lineNumber\":280,\"methodName\":\"downloadAndUpdateCert\",\"nativeMethod\":false},{\"className\":\"com.wechat.pay.contrib.apache.httpclient.cert.CertificatesManager\",\"fileName\":\"CertificatesManager.java\",\"lineNumber\":308,\"methodName\":\"initCertificates\",\"nativeMethod\":false},{\"className\":\"com.wechat.pay.contrib.apache.httpclient.cert.CertificatesManager\",\"fileName\":\"CertificatesManager.java\",\"lineNumber\":155,\"methodName\":\"putMerchant\",\"nativeMethod\":false},{\"className\":\"com.jd.after.common.utils.WxPayUtils\",\"fileName\":\"WxPayUtils.java\",\"lineNum