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 Driver class 'org.gjt.mm.mysql.Driver' could not be found

  • Pentaho
  • Kettle
  • Pentaho
  • Pentaho Data Integration PDI
Archana Choudhary's profile image
Archana Choudhary posted 04-03-2019 13:47

Hello,

I am using Pentaho 8.2 version on my localhost connected to mysql version 5.7.25 on ubuntu-16.04.2,getting the following error when using mysql-connector-java-8.0.15.jar in pentaho-PDI

Driver class 'org.gjt.mm.mysql.Driver' could not be found, make sure the 'MySQL' driver (jar file) is installed.

org.gjt.mm.mysql.Driver

org.pentaho.di.core.exception.KettleDatabaseException:

Error occurred while trying to connect to the database

Driver class 'org.gjt.mm.mysql.Driver' could not be found, make sure the 'MySQL' driver (jar file) is installed.

org.gjt.mm.mysql.Driver

    at org.pentaho.di.core.database.Database.normalConnect(Database.java:472)

    at org.pentaho.di.core.database.Database.connect(Database.java:370)

    at org.pentaho.di.core.database.Database.connect(Database.java:341)

    at org.pentaho.di.core.database.Database.connect(Database.java:331)

    at org.pentaho.di.ui.core.database.dialog.XulDatabaseExplorerController.createDatabaseNodes(XulDatabaseExplorerController.java:380)

    at org.pentaho.di.ui.core.database.dialog.XulDatabaseExplorerController.init(XulDatabaseExplorerController.java:130)

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

    at java.lang.reflect.Method.invoke(Method.java:498)

    at org.pentaho.ui.xul.impl.AbstractXulDomContainer.invoke(AbstractXulDomContainer.java:313)

    at org.pentaho.ui.xul.impl.AbstractXulDomContainer.initialize(AbstractXulDomContainer.java:141)

    at org.pentaho.ui.xul.swt.SwtXulRunner$1.run(SwtXulRunner.java:67)

    at org.eclipse.swt.widgets.Synchronizer.syncExec(Unknown Source)

    at org.eclipse.swt.widgets.Display.syncExec(Unknown Source)

    at org.pentaho.ui.xul.swt.SwtXulRunner.initialize(SwtXulRunner.java:64)

    at org.pentaho.di.ui.core.database.dialog.XulDatabaseExplorerDialog.open(XulDatabaseExplorerDialog.java:92)

    at org.pentaho.di.ui.trans.steps.tableinput.TableInputDialog.getSQL(TableInputDialog.java:553)

    at org.pentaho.di.ui.trans.steps.tableinput.TableInputDialog.access$500(TableInputDialog.java:79)

    at org.pentaho.di.ui.trans.steps.tableinput.TableInputDialog$12.handleEvent(TableInputDialog.java:395)

    at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)

    at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)

    at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)

    at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)

    at org.pentaho.di.ui.trans.steps.tableinput.TableInputDialog.open(TableInputDialog.java:436)

    at org.pentaho.di.ui.spoon.delegates.SpoonStepsDelegate.editStep(SpoonStepsDelegate.java:120)

    at org.pentaho.di.ui.spoon.Spoon.editStep(Spoon.java:8662)

    at org.pentaho.di.ui.spoon.trans.TransGraph.editStep(TransGraph.java:3293)

    at org.pentaho.di.ui.spoon.trans.TransGraph.mouseDoubleClick(TransGraph.java:785)

    at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)

    at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)

    at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)

    at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)

    at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)

    at org.pentaho.di.ui.spoon.Spoon.readAndDispatch(Spoon.java:1381)

    at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:7817)

    at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:9179)

    at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:707)

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

    at java.lang.reflect.Method.invoke(Method.java:498)

    at org.pentaho.commons.launcher.Launcher.main(Launcher.java:92)

Caused by: org.pentaho.di.core.exception.KettleDatabaseException:

Driver class 'org.gjt.mm.mysql.Driver' could not be found, make sure the 'MySQL' driver (jar file) is installed.

org.gjt.mm.mysql.Driver

    at org.pentaho.di.core.database.Database.connectUsingClass(Database.java:515)

    at org.pentaho.di.core.database.Database.normalConnect(Database.java:456)

    ... 42 more

Caused by: java.lang.ClassNotFoundException: org.gjt.mm.mysql.Driver

    at java.net.URLClassLoader.findClass(URLClassLoader.java:382)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

    at org.pentaho.di.core.database.Database.connectUsingClass(Database.java:490)

    ... 43 more

Kindly help me


#PentahoDataIntegrationPDI
#Pentaho
#Kettle
Paulo Pires's profile image
Paulo Pires

Hi Archana,

You need to put the correct driver inside the lib folder, currently I'm using mysql-connector-java-5.1.42-bin.jar

Best regards

Archana Choudhary's profile image
Archana Choudhary

Thanks now it is working...

But why it is not working with latest jar