Jdbc - Java.Lang.Classnotfoundexception: Com.Mysql.Jdbc.Driver Solution
"java.lang.ClassNotFoundException: com.mysql.jdbc.Driver" is a frequent Exception Java programmer expression upwardly acre writing JDBC connectivity code for mysql, particularly if you lot are trying to constitute JDBC connectedness to mysql database source time. nosotros receive got touched base of operations on ClassNotFoundException inwards mysql on our before articles how to resolve ClassNotFoundException inwards Java in addition to hither nosotros volition encounter inwards item what causes "java.lang.ClassNotFoundException: com.mysql.jdbc.Driver" in addition to how to produce com.mysql.jdbc.Driver error inwards Java.
Cause of java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
Possible Cause of "java.lang.ClassNotFoundException: com.mysql.jdbc.Driver"
here are only about of the close possible reasons of "java.lang.ClassNotFoundException: com.mysql.jdbc.Driver" inwards your
code which is based on mistakes often observed:
1) You don't receive got mysql-connector.jar in your Classpath. every bit stated before this jounce file contains "com.mysql.jdbc.Driver" degree it must live on acquaint inwards classpath inwards fellowship to successful connectedness to mysql database. you lot tin downlad mysql-connector.jar from mysql.com.
2) mysql-connector.jar is inwards your classpath but somehow your classpath is getting overridden.
Classpath is tricky inwards Java in addition to classpath specified inwards jounce may override CLASSPATH path variable. See how classpath plant inwards Java to empathize this final result inwards detail.
3) mysql-connector.jar is inwards classpath but electrical current user doesn't receive got read permission.
This occupation often happens inwards Unix or Linux operating organization which has sophisticated file in addition to directory permission based on user, grouping in addition to possessor level. only larn the correct permission in addition to run your plan again.
Example of java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
here is a existent sample coffee code which volition throw java.lang.ClassNotFoundException: com.mysql.jdbc.Driver when run
because it doesn't had mysql-connector.jar inwards its classpath. worth remembering is that java.lang.ClassNotFoundException: com.mysql.jdbc.Driver comes when you lot use Class.forName("com.mysql.jdbc.Driver") code to charge JDBC driver, if you lot are using DriverManager.getConnection("com.mysql.jdbc.driver" ,"root", "root") than it volition throw unlike exception like
Exception inwards thread "main" java.sql.SQLException: No suitable driver found for com.mysql.jdbc.Driver
at java.sql.DriverManager.getConnection(DriverManager.java:602)
at java.sql.DriverManager.getConnection(DriverManager.java:602)
Here is sample Java plan which volition throw java.lang.ClassNotFoundException: com.mysql.jdbc.Driver if you lot run this without having mysql JDBC dirver inwards your classpath.
public class MySQLConnectionExample {
public static void main(String args[]) throws SQLException {
Connection mysqlCon = null;
try {
Class.forName("com.mysql.jdbc.Driver");
mysqlCon = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root");
} catch (Exception e) {
System.out.println(e);
}
}
Output: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
public static void main(String args[]) throws SQLException {
Connection mysqlCon = null;
try {
Class.forName("com.mysql.jdbc.Driver");
mysqlCon = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root");
} catch (Exception e) {
System.out.println(e);
}
}
Output: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
That’s all on how to produce java.lang.ClassNotFoundException: com.mysql.jdbc.Driver, nosotros receive got seen possible reasons of getting this Exception inwards Java JDBC code in addition to at 1 time familiar alongside how to produce this.
Further Learning
JSP, Servlets in addition to JDBC for Beginners: Build a Database App
Complete JDBC Programming Part 1 in addition to 2
Java Exception in addition to troubleshooting tutorial you lot may like:
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