NoClassDefFoundError: org/apache/commons/codec/binary/Base64

Some times you may face this error, but may not get the right answer so i though it is better to post with steps to over come this error.

This problem occurs at run-time not at compile time, first search commons-codec.jar file in your talend installed directory like TalendInstall\TOS_DI-Win32-r78327-V5.0.2\plugins\org.talend.designer.components.localprovider_5.0.2.r78327\components\tMDMBulkLoad

if commons-codec.jar file is not on above mention location then download if from  commons-codec.jar file and. now we have our jar file ready so follow the steps to add it to build path.

• click on Windows menu


• then click on Preferences


• search "ClassPath variables" at top left search text box.


• result will be come then click on ClassPath variables. new popup window will be appeared.


• Click on new button give name for your ClassPath variable, and then browse for commons-codec.jar and add it. 


• here on done click on OK button and closed all the windows.

see the below screen for more details.

[caption id="attachment_148" align="alignnone" width="300"] Talend Classpath Setting[/caption]