https://community.cloudera.com/t5/Support-Questions/Where-can-I-download-hadoop-core-1-2-1-jar/m-p/237133#M198946 <P><A rel="user" href="#">@Jorge Luis Hernandez Olmos</A> I don't know anything about tibco, but the .jar file you're looking for can be found at the usual location for archival Hadoop code tarballs, in your case <A href="https://archive.apache.org/dist/hadoop/common/hadoop-1.2.1/">https://archive.apache.org/dist/hadoop/common/hadoop-1.2.1/</A> I know of no other place that would be more "official".</P><P>… look for the file <CODE>hadoop-1.2.1.tar.gz</CODE>, download it, un-zip it, un-tar it and you should be able to locate the <CODE>.jar</CODE> file in question in the relative location <CODE>./hadoop-1.2.1/hadoop-core-1.2.1.jar</CODE></P> Sat, 30 Mar 2019 08:57:57 GMT ask_bill_brooks 2019-03-30T08:57:57Z