在SMS发件人地址更改其SSL证书之前,我的应用程序运行良好。我不断收到以下错误。我已成功通过keytool添加了SSL,并且还从java.security文件中删除了“ MD5”。仍然是相同的错误。请帮忙!
df1 <- structure(list(person = c("a", "a", "c", "c", "c"), country = c("usa",
"germany", "france", "china", "korea"), date = c("01.01.2020",
"01.05.2020", "01.01.2021", "01.01.2022", "01.01.2023")),
class = "data.frame", row.names = c(NA,
-5L))