As a Tester & Developer, it’s pretty common to see NoClassDefFoundError. It’s not that easy always to figureout the required jars for the application.

Whatjar comes with a lot of search capabilities to identify and download the required jars.

Whatjar is a high-performance, search engine written using Java and MySQL to index and search Java JAR contents. Its primary goal is to provide a tool to help the developer find the JAR file required when faced with a class not found exception. In addtion to act as searchable resource of open source java jars.

Whatjar is free, there is no cost to upload a jar or to search our existing database of JARS.


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