Java.Lang.Classnotfoundexception: Com.Mysql.Jdbc.Driver [Solution]

Problem : You are getting java.lang.ClassNotFoundException: com.mysql.jdbc.Driver mistake spell connecting to MySQL database from Java Program. You may survive running your Java application straight from dominance prompt, rhythm out script, ANT or Eclipse.

Cause : In social club to connect to MySQL database, you lot involve JDBC driver for MySQL. Influenza A virus subtype H5N1 degree which implements java.sql.Driver interface for MySQL. Every vendor is responsible to implement this degree for their databases. This driver implementation is provided past times MySQL every bit MySQL coffee connexion library. There is a degree called com.mysql.jdbc.Driver which implements this interface.


When you lot create Class.forName("com.mysql.jdbc.Driver") to charge in addition to register this driver class, the degree loader inwards JVM search for this degree within all JAR files available inwards CLASSPATH. If mysql-connector-java-5.1.25-bin.jar, which contains this degree is non available inwards CLASSPATH in addition to thence JVM volition throw java.lang.ClassNotFoundException: com.mysql.jdbc.Driver at run-time. Remember, at that topographic point won't survive whatever mistake during compile fourth dimension because your programme has no direct dependency to this JAR i.e. its non using whatever degree or method from this JAR directly. When Class.forName() method volition execute at run-time, it volition try to honor the driver degree provided every bit String declaration in addition to throw this mistake if its non able to honor it on classpath.


Solution : You tin ready this mistake past times deploying mysql-connector-java-5.1.25-bin.jar into your application's classpath. If you lot are non sure how to laid CLASSPATH, follow instructions given inwards that article. Depending upon your construct tool you lot tin create next to ready java.lang.ClassNotFoundException: com.mysql.jdbc.Driver inwards Eclipse, Maven in addition to Gradle.

Fixing java.lang.ClassNotFoundException: com.mysql.jdbc.Driver in Eclipse

You involve to add together MySQL JDBC driver inwards your Eclipse Java project's classpath. MySQL driver is a type four JDBC driver, thence you lot only involve to add together the JAR file inwards Eclipse. Here are steps to add together an external JAR into Eclipse's Classpath

Steps :

• Right click on your project
• Choose Build Path in addition to guide configure construct path option.
• Choose Add External JARs option
• Find in addition to add together mysql-connector-java-5.1.25-bin.jar into Eclipse's classpath. 

If you lot don't convey MySQL driver JAR, you lot tin download it from maven primal library or straight from MySQL JDBC driver website.

java.lang.ClassNotFoundException: com.mysql.jdbc.Driver in Gradle

You tin add together MySQL JDBC connexion driver past times adding every bit dependencies inwards your gradle construct file every bit shown below :

dependencies {
 compile 'mysql:mysql-connector-java:5.1.+'
}

java.lang.ClassNotFoundException: com.mysql.jdbc.Driver Solution inwards Maven

Fixing this mistake inwards Maven is chip easy, only add together next dependency inwards your project's pom.xml file.

<dependency>    <groupId>mysql</groupId>    <artifactId>mysql-connector-java</artifactId>    <version>5.1.36</version> </dependency>

Alternatively, if you lot are using Maven within Eclipse via M2Eclipse plugin in addition to thence you lot tin also add together dependency every bit shown below :

Steps :
1. Select pom.xml from your Eclipse projection bundle explorer
2. Go to dependency tab every bit shown below

3. Click add together in addition to search for MySQL connector, in 1 lawsuit institute guide the correct version in addition to that dependency volition survive added into Eclipse Classpath via Maven Dependency.

If you lot don't encounter  mysql-connector-java-5.1.36-bin.jar inside your Maven Dependency, only update your Maven projection or run maven install dominance past times doing correct click on Maven Eclipse projection in addition to choosing Run As - Maven Install.


That's all nigh how to ready java.lang.ClassNotFoundException: com.mysql.jdbc.Driver mistake inwards Java. The mistake should gone every bit shortly every bit you lot deploy MySQL connexion JAR file into CLASSPATH. IF you lot encounter this mistake fifty-fifty later deploying mysql-connector-java-5.1.25-bin.jar inwards classpath in addition to thence its sure enough an consequence amongst classpath. It's possible that your classpath is non laid properly or your application's classpath is overridden past times around settings. depository fiscal establishment tally these steps for farther debugging.

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