1 java.base/jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to java.base/java.net.URLCl
The reason is that the jdk version is too high, I use 9, so I can change jdk to 1.8, but I still report this error, the reason is that I did not delete the original 9, and hadoop is configured with 9. And hive will automatically load the hadoop configurationso change hadoop configuration vim hadoop-env.sh
Conclusion: The program still uses stable instead of the latest version
2 we dont support retries at the client level
- Modify the character set of mysql
- alter database hive character set latin1;
- Then change the version of mysql driver