This JAR file is part of the open-source components. Version 1.0.0 is quite old (released around 2012–2013). It is a lightweight, high-performance parser for reading and writing CSV (Comma-Separated Values) files, independent of the full Talend Studio.
: The artifact org.talend.components:talendcsv:1.0.0 was historically available at mvnrepository.com . Note that some users report "Access Denied" errors on specific Talend-hosted Nexus links, so mirrors like Maven Central are more reliable. talend csv-1.0.0.jar download
If Talend Studio warns that talendcsv-1.0.0.jar is missing, try these steps before manual downloading: This JAR file is part of the open-source components