Getting error MySQLNonTransientConnectionException while using batch update in SQL
1
Following cod:
String url;
ConnectionURL cURL= new ConnectionURL();
url=cURL.getCloudConnection();
try (Connection conn = DriverManager.getConnection(url))
{
Statement statement = conn.createStatement();
conn.setAutoCommit(false);
for(int i=9;i<updateCformValues.size()-1;i++){
List<Object> row=updateCformValues.get(i);
String JDECode =(String)row.get(0);
String CValue =(String)row.get(3);
String updatedata = "update CRdataTable set OutstandingCFormValue='"+CValue+"' where JDECode ='"+JDECode+"' ";
log("String"+i);
statement.addBatch(updatedata);
}
statement.executeBatch();
conn.commit();
}
}
catch (Exception e) {
// TODO: handle exception
out.print(e);
e.printStackTrace();
}
Throws an excpetion
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after statement closed
Please help me, thanks.
java mysql jdbc
edited Nov 18 '18 at 16:14
user6910411
33.9k1079101
asked Nov 18 '18 at 15:37
Rashmi SahooRashmi Sahoo
61
add a comment |
1
Following cod:
String url;
ConnectionURL cURL= new ConnectionURL();
url=cURL.getCloudConnection();
try (Connection conn = DriverManager.getConnection(url))
{
Statement statement = conn.createStatement();
conn.setAutoCommit(false);
for(int i=9;i<updateCformValues.size()-1;i++){
List<Object> row=updateCformValues.get(i);
String JDECode =(String)row.get(0);
String CValue =(String)row.get(3);
String updatedata = "update CRdataTable set OutstandingCFormValue='"+CValue+"' where JDECode ='"+JDECode+"' ";
log("String"+i);
statement.addBatch(updatedata);
}
statement.executeBatch();
conn.commit();
}
}
catch (Exception e) {
// TODO: handle exception
out.print(e);
e.printStackTrace();
}
Throws an excpetion
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after statement closed
Please help me, thanks.
java mysql jdbc
edited Nov 18 '18 at 16:14
user6910411
33.9k1079101
asked Nov 18 '18 at 15:37
Rashmi SahooRashmi Sahoo
61
Please post the full exception stacktrace. And, please learn about using prepared statements. Your current code is fundamentally unsafe and vulnerable to SQL injection due to concatenation of string values into a query string instead of using parameters..
– Mark Rotteveel
Nov 19 '18 at 15:17
add a comment |
1
1
1
Following cod:
String url;
ConnectionURL cURL= new ConnectionURL();
url=cURL.getCloudConnection();
try (Connection conn = DriverManager.getConnection(url))
{
Statement statement = conn.createStatement();
conn.setAutoCommit(false);
for(int i=9;i<updateCformValues.size()-1;i++){
List<Object> row=updateCformValues.get(i);
String JDECode =(String)row.get(0);
String CValue =(String)row.get(3);
String updatedata = "update CRdataTable set OutstandingCFormValue='"+CValue+"' where JDECode ='"+JDECode+"' ";
log("String"+i);
statement.addBatch(updatedata);
}
statement.executeBatch();
conn.commit();
}
}
catch (Exception e) {
// TODO: handle exception
out.print(e);
e.printStackTrace();
}
Throws an excpetion
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after statement closed
Please help me, thanks.
java mysql jdbc
edited Nov 18 '18 at 16:14
user6910411
33.9k1079101
asked Nov 18 '18 at 15:37
Rashmi SahooRashmi Sahoo
61
Following cod:
String url;
ConnectionURL cURL= new ConnectionURL();
url=cURL.getCloudConnection();
try (Connection conn = DriverManager.getConnection(url))
{
Statement statement = conn.createStatement();
conn.setAutoCommit(false);
for(int i=9;i<updateCformValues.size()-1;i++){
List<Object> row=updateCformValues.get(i);
String JDECode =(String)row.get(0);
String CValue =(String)row.get(3);
String updatedata = "update CRdataTable set OutstandingCFormValue='"+CValue+"' where JDECode ='"+JDECode+"' ";
log("String"+i);
statement.addBatch(updatedata);
}
statement.executeBatch();
conn.commit();
}
}
catch (Exception e) {
// TODO: handle exception
out.print(e);
e.printStackTrace();
}
Throws an excpetion
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after statement closed
Please help me, thanks.
java mysql jdbc
java mysql jdbc
edited Nov 18 '18 at 16:14
user6910411
33.9k1079101
asked Nov 18 '18 at 15:37
Rashmi SahooRashmi Sahoo
61
edited Nov 18 '18 at 16:14
user6910411
33.9k1079101
asked Nov 18 '18 at 15:37
Rashmi SahooRashmi Sahoo
61
edited Nov 18 '18 at 16:14
user6910411
33.9k1079101
edited Nov 18 '18 at 16:14
user6910411
33.9k1079101
edited Nov 18 '18 at 16:14
user6910411
33.9k1079101
33.9k1079101
asked Nov 18 '18 at 15:37
Rashmi SahooRashmi Sahoo
61
asked Nov 18 '18 at 15:37
Rashmi SahooRashmi Sahoo
61
asked Nov 18 '18 at 15:37
Rashmi SahooRashmi Sahoo
61
61
Please post the full exception stacktrace. And, please learn about using prepared statements. Your current code is fundamentally unsafe and vulnerable to SQL injection due to concatenation of string values into a query string instead of using parameters..
– Mark Rotteveel
Nov 19 '18 at 15:17
add a comment |
Please post the full exception stacktrace. And, please learn about using prepared statements. Your current code is fundamentally unsafe and vulnerable to SQL injection due to concatenation of string values into a query string instead of using parameters..
– Mark Rotteveel
Nov 19 '18 at 15:17
Please post the full exception stacktrace. And, please learn about using prepared statements. Your current code is fundamentally unsafe and vulnerable to SQL injection due to concatenation of string values into a query string instead of using parameters..
– Mark Rotteveel
Nov 19 '18 at 15:17
Please post the full exception stacktrace. And, please learn about using prepared statements. Your current code is fundamentally unsafe and vulnerable to SQL injection due to concatenation of string values into a query string instead of using parameters..
– Mark Rotteveel
Nov 19 '18 at 15:17
add a comment |
0
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Please post the full exception stacktrace. And, please learn about using prepared statements. Your current code is fundamentally unsafe and vulnerable to SQL injection due to concatenation of string values into a query string instead of using parameters..
– Mark Rotteveel
Nov 19 '18 at 15:17