The error No suitable driver found for jdbc:mysql://localhost:3306/mazedb The complete error INFO: [EL Info]:

Question

0

Editorial Team

Asked: May 27, 20262026-05-27T22:44:32+00:00 2026-05-27T22:44:32+00:00

The error No suitable driver found for jdbc:mysql://localhost:3306/mazedb The complete error INFO: [EL Info]:

0

The error

No suitable driver found for jdbc:mysql://localhost:3306/mazedb

The complete error

INFO: [EL Info]: 2012-01-03
23:27:35.522--ServerSession(11375975)--EclipseLink, version: Eclipse
Persistence Services - 2.3.0.v20110604-r9504

INFO: [EL Severe]: 2012-01-03
23:27:35.528--ServerSession(11375975)--Local Exception Stack: 
Exception [EclipseLink-4002] (Eclipse Persistence Services -
2.3.0.v20110604-r9504): org.eclipse.persistence.exceptions.DatabaseException Internal
Exception: java.sql.SQLException: No suitable driver found for
jdbc:mysql://localhost:3306/mazedb Error Code: 0    at
org.eclipse.persistence.exceptions.DatabaseException.sqlException(DatabaseException.java:324)
    at
org.eclipse.persistence.exceptions.DatabaseException.sqlException(DatabaseException.java:319)
    at
org.eclipse.persistence.sessions.DefaultConnector.connect(DefaultConnector.java:138)
    at
org.eclipse.persistence.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:162)
    at
org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:582)
    at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:206)
    at
org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:472)
    at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.getDatabaseSession(EntityManagerFactoryDelegate.java:188)
    at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.createEntityManagerImpl(EntityManagerFactoryDelegate.java:277)
    at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:290)
    at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:268)
    at
com.maze.service.AccountService.validateLogin(AccountService.java:18)
    at
com.maze.controller.AccountController.performLogin(AccountController.java:31)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)     at
com.sun.el.parser.AstValue.invoke(AstValue.java:234)    at
com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297)
    at
com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
    at
javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
    at
com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
    at javax.faces.component.UICommand.broadcast(UICommand.java:315)    at
javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
    at
javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
    at
com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)    at
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)   at
org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1539)
    at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281)
    at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
    at
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
    at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)   at
com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
    at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
    at
org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:330)
    at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
    at
com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:174)
    at
com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:828)
    at
com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:725)
    at
com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1019)
    at
com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
    at
com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
    at
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
    at
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
    at
com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
    at
com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
    at
com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
    at com.sun.grizzly.ContextTask.run(ContextTask.java:71)     at
com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
    at
com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
    at java.lang.Thread.run(Thread.java:662) Caused by:
java.sql.SQLException: No suitable driver found for
jdbc:mysql://localhost:3306/mazedb  at
java.sql.DriverManager.getConnection(DriverManager.java:602)    at
java.sql.DriverManager.getConnection(DriverManager.java:154)    at
org.eclipse.persistence.sessions.DefaultConnector.connect(DefaultConnector.java:98)
    ... 51 more

WARNING: #{accountController.performLogin}:
javax.persistence.PersistenceException: Exception [EclipseLink-4002]
(Eclipse Persistence Services - 2.3.0.v20110604-r9504):
org.eclipse.persistence.exceptions.DatabaseException Internal
Exception: java.sql.SQLException: No suitable driver found for
jdbc:mysql://localhost:3306/mazedb Error Code: 0
javax.faces.FacesException: #{accountController.performLogin}:
javax.persistence.PersistenceException: Exception [EclipseLink-4002]
(Eclipse Persistence Services - 2.3.0.v20110604-r9504):
org.eclipse.persistence.exceptions.DatabaseException Internal
Exception: java.sql.SQLException: No suitable driver found for
jdbc:mysql://localhost:3306/mazedb Error Code: 0    at
com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:118)
    at javax.faces.component.UICommand.broadcast(UICommand.java:315)    at
javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
    at
javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
    at
com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)    at
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)   at
org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1539)
    at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281)
    at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
    at
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
    at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)   at
com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
    at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
    at
org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:330)
    at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
    at
com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:174)
    at
com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:828)
    at
com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:725)
    at
com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1019)
    at
com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
    at
com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
    at
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
    at
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
    at
com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
    at
com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
    at
com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
    at com.sun.grizzly.ContextTask.run(ContextTask.java:71)     at
com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
    at
com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
    at java.lang.Thread.run(Thread.java:662) Caused by:
javax.faces.el.EvaluationException:
javax.persistence.PersistenceException: Exception [EclipseLink-4002]
(Eclipse Persistence Services - 2.3.0.v20110604-r9504):
org.eclipse.persistence.exceptions.DatabaseException Internal
Exception: java.sql.SQLException: No suitable driver found for
jdbc:mysql://localhost:3306/mazedb Error Code: 0    at
javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102)
    at
com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
    ... 32 more Caused by: javax.persistence.PersistenceException:
Exception [EclipseLink-4002] (Eclipse Persistence Services -
2.3.0.v20110604-r9504): org.eclipse.persistence.exceptions.DatabaseException Internal
Exception: java.sql.SQLException: No suitable driver found for
jdbc:mysql://localhost:3306/mazedb Error Code: 0    at
org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:501)
    at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.getDatabaseSession(EntityManagerFactoryDelegate.java:188)
    at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.createEntityManagerImpl(EntityManagerFactoryDelegate.java:277)
    at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:290)
    at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:268)
    at
com.maze.service.AccountService.validateLogin(AccountService.java:18)
    at
com.maze.controller.AccountController.performLogin(AccountController.java:31)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)     at
com.sun.el.parser.AstValue.invoke(AstValue.java:234)    at
com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297)
    at
com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
    at
javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
    ... 33 more Caused by: Exception [EclipseLink-4002] (Eclipse
Persistence Services - 2.3.0.v20110604-r9504):
org.eclipse.persistence.exceptions.DatabaseException Internal
Exception: java.sql.SQLException: No suitable driver found for
jdbc:mysql://localhost:3306/mazedb Error Code: 0    at
org.eclipse.persistence.exceptions.DatabaseException.sqlException(DatabaseException.java:324)
    at
org.eclipse.persistence.exceptions.DatabaseException.sqlException(DatabaseException.java:319)
    at
org.eclipse.persistence.sessions.DefaultConnector.connect(DefaultConnector.java:138)
    at
org.eclipse.persistence.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:162)
    at
org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:582)
    at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:206)
    at
org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:472)
    ... 47 more Caused by: java.sql.SQLException: No suitable driver
found for jdbc:mysql://localhost:3306/mazedb    at
java.sql.DriverManager.getConnection(DriverManager.java:602)    at
java.sql.DriverManager.getConnection(DriverManager.java:154)    at
org.eclipse.persistence.sessions.DefaultConnector.connect(DefaultConnector.java:98)
    ... 51 more

INFO: Exit : invoke_application 5 WARNING: StandardWrapperValve[Faces
Servlet]: PWC1406: Servlet.service() for servlet Faces Servlet threw
exception javax.faces.el.EvaluationException:
javax.persistence.PersistenceException: Exception [EclipseLink-4002]
(Eclipse Persistence Services - 2.3.0.v20110604-r9504):
org.eclipse.persistence.exceptions.DatabaseException Internal
Exception: java.sql.SQLException: No suitable driver found for
jdbc:mysql://localhost:3306/mazedb Error Code: 0    at
javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102)
    at
com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
    at javax.faces.component.UICommand.broadcast(UICommand.java:315)    at
javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
    at
javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
    at
com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)    at
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)   at
org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1539)
    at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281)
    at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
    at
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
    at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
    at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)   at
com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
    at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
    at
org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:330)
    at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
    at
com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:174)
    at
com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:828)
    at
com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:725)
    at
com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1019)
    at
com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
    at
com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
    at
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
    at
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
    at
com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
    at
com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
    at
com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
    at com.sun.grizzly.ContextTask.run(ContextTask.java:71)     at
com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
    at
com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
    at java.lang.Thread.run(Thread.java:662) Caused by:
javax.persistence.PersistenceException: Exception [EclipseLink-4002]
(Eclipse Persistence Services - 2.3.0.v20110604-r9504):
org.eclipse.persistence.exceptions.DatabaseException Internal
Exception: java.sql.SQLException: No suitable driver found for
jdbc:mysql://localhost:3306/mazedb Error Code: 0    at
org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:501)
    at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.getDatabaseSession(EntityManagerFactoryDelegate.java:188)
    at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.createEntityManagerImpl(EntityManagerFactoryDelegate.java:277)
    at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:290)
    at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:268)
    at
com.maze.service.AccountService.validateLogin(AccountService.java:18)
    at
com.maze.controller.AccountController.performLogin(AccountController.java:31)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)  at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)     at
com.sun.el.parser.AstValue.invoke(AstValue.java:234)    at
com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297)
    at
com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
    at
javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
    ... 33 more Caused by: Exception [EclipseLink-4002] (Eclipse
Persistence Services - 2.3.0.v20110604-r9504):
org.eclipse.persistence.exceptions.DatabaseException Internal
Exception: java.sql.SQLException: No suitable driver found for
jdbc:mysql://localhost:3306/mazedb Error Code: 0    at
org.eclipse.persistence.exceptions.DatabaseException.sqlException(DatabaseException.java:324)
    at
org.eclipse.persistence.exceptions.DatabaseException.sqlException(DatabaseException.java:319)
    at
org.eclipse.persistence.sessions.DefaultConnector.connect(DefaultConnector.java:138)
    at
org.eclipse.persistence.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:162)
    at
org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:582)
    at
org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:206)
    at
org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:472)
    ... 47 more Caused by: java.sql.SQLException: No suitable driver
found for jdbc:mysql://localhost:3306/mazedb    at
java.sql.DriverManager.getConnection(DriverManager.java:602)    at
java.sql.DriverManager.getConnection(DriverManager.java:154)    at
org.eclipse.persistence.sessions.DefaultConnector.connect(DefaultConnector.java:98)
    ... 51 more

persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
        xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">

    <persistence-unit name="Maze" transaction-type="RESOURCE_LOCAL">
        <properties>
            <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/mazedb"/>
            <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
            <property name="javax.persistence.jdbc.user" value="maze"/>
            <property name="javax.persistence.jdbc.password" value="maze"/>
        </properties>

    </persistence-unit>
</persistence>

The mysql connector is included in the build path

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1 Answer

Editorial Team · Answer 1 · 2026-05-27T22:44:33+00:00

No suitable driver found for jdbc:mysql://localhost:3306/mazedb

This exception has basically 2 possible causes.

The JDBC URL is wrong (basically, Driver#acceptsURL() has returned false for all of the JDBC drivers loaded so far).
The JDBC driver is not loaded at all (so it’s either missing in the runtime classpath or there’s a typo in the JDBC driver class name).

As far, the JDBC URL and driver class name looks right. So the driver is not in the runtime classpath at all.

The mysql connector is included in the build path

The JDBC driver needs to be present in the webapp’s runtime classpath. In case of a local persistence unit, the JDBC driver JAR file needs to be placed in /WEB-INF/lib folder.

This exception indicates that this is not the case. Placing the JAR file in some random location and manually adding the file to the Build Path without specifying it in the Deployment Assembly can lead to this exception. This is not right. Just drop the JAR file in the /WEB-INF/lib folder, this way Eclipse will do all the necessary magic to set the things right without the need to touch anything in the project’s properties.

Unrelated to the concrete problem, consider container managed transactions (set transaction type to JTA instead of resource local). It will greatly reduce boilerplate code in your EJBs to manage the transactions. You only need to create a container managed JNDI datasource and place the JDBC driver in server’s /lib instead.

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The error No suitable driver found for jdbc:mysql://localhost:3306/mazedb The complete error INFO: [EL Info]:

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