at com.mysql.jdbc.ResultSetImpl.checkClosed(ResultSetImpl.java:794)
阿新 • • 發佈：2018-11-10
at com.mysql.jdbc.ResultSetImpl.checkClosed(ResultSetImpl.java:794) at com.mysql.jdbc.ResultSetImpl.next(ResultSetImpl.java:7077) at org.apache.commons.dbcp.DelegatingResultSet.next(DelegatingResultSet.java:207) at org.apache.commons.dbcp.DelegatingResultSet.next(DelegatingResultSet.java:207) at cn.com.Socket.Term.term(Term.java:32) at cn.com.Socket.ThreadReader.insert_num(ThreadReader.java:141) at cn.com.Socket.ThreadReader.othernum(ThreadReader.java:126) at cn.com.Socket.ThreadReader.read(ThreadReader.java:65) at cn.com.Socket.ThreadReader.Port(ThreadReader.java:39) at cn.com.Socket.ThreadReader.run(ThreadReader.java:21) at java.lang.Thread.run(Thread.java:744) 0100ffffff00002b 2018-11-08 13:29:04 java.sql.SQLException: Operation not allowed after ResultSet closed at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1055) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:926) at com.mysql.jdbc.ResultSetImpl.checkClosed(ResultSetImpl.java:794) at com.mysql.jdbc.ResultSetImpl.next(ResultSetImpl.java:7077) at org.apache.commons.dbcp.DelegatingResultSet.next(DelegatingResultSet.java:207) at org.apache.commons.dbcp.DelegatingResultSet.next(DelegatingResultSet.java:207) at cn.com.Socket.Term.term(Term.java:32) at cn.com.Socket.ThreadReader.insert_num(ThreadReader.java:141) at cn.com.Socket.ThreadReader.othernum(ThreadReader.java:126) at cn.com.Socket.ThreadReader.read(ThreadReader.java:65) at cn.com.Socket.ThreadReader.Port(ThreadReader.java:39) at cn.com.Socket.ThreadReader.run(ThreadReader.java:21) at java.lang.Thread.run(Thread.java:744) 0100ffffff00002b 2018-11-08 13:29:04 java.sql.SQLException: Operation not allowed after ResultSet closed at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1055) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:926) at com.mysql.jdbc.ResultSetImpl.checkClosed(ResultSetImpl.java:794) at com.mysql.jdbc.ResultSetImpl.next(ResultSetImpl.java:7077) at org.apache.commons.dbcp.DelegatingResultSet.next(DelegatingResultSet.java:207) at org.apache.commons.dbcp.DelegatingResultSet.next(DelegatingResultSet.java:207) at cn.com.Socket.Term.term(Term.java:32) at cn.com.Socket.ThreadReader.insert_num(ThreadReader.java:141) at cn.com.Socket.ThreadReader.othernum(ThreadReader.java:126) at cn.com.Socket.ThreadReader.read(ThreadReader.java:65) at cn.com.Socket.ThreadReader.Port(ThreadReader.java:39) at cn.com.Socket.ThreadReader.run(ThreadReader.java:21) at java.lang.Thread.run(Thread.java:744) 0100ffffff00002b 2018-11-08 13:29:04
一定要注意，
conn,st ,rs這三個的關係，只有conn連線狀態下，執行事務st,才能有rs結果集
如果你的程式執行到了rs=st.executeQuery();
別以為到了這一步，反正rs結果集也獲取到了，就可以關閉conn,st了；
因為你的結果集並沒有放在集合裡面，rs能獲取資料的前提仍然是conn連線狀態