Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,
    Expert tip

    MySQL doesn't support some types of characters (such as emojis) with the utf8 encoding. You need to be on MySQL 5.5+ and force utf8mb4 (everywhere, client and server). You can do this sending the query "SET NAMES utf8mb4". Check this https://goo.gl/3E2qzg

Solutions on the web

via daniweb.com by Unknown author, 1 year ago
Operation not allowed after ResultSet closed
via Stack Overflow by Tom Aalbers
, 2 years ago
via Stack Overflow by mossaab
, 2 years ago
Operation not allowed after ResultSet closed
via GitHub by yuankui
, 1 year ago
Operation not allowed after ResultSet closed
via Server Fault by mossaab
, 1 year ago
Operation not allowed after ResultSet closed
via serverfault.com by Unknown author, 2 years ago
java.sql.SQLException: Operation not allowed after ResultSet closed	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1075)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:989)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:984)	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:929)	at com.mysql.jdbc.ResultSetImpl.checkClosed(ResultSetImpl.java:795)	at com.mysql.jdbc.ResultSetImpl.checkRowPos(ResultSetImpl.java:839)	at com.mysql.jdbc.ResultSetImpl.getStringInternal(ResultSetImpl.java:5657)	at com.mysql.jdbc.ResultSetImpl.getString(ResultSetImpl.java:5577)	at dbclass.MainApp.main(MainApp.java:16)