https://community.cloudera.com/t5/Archives-of-Support-Questions/unload-UDFs-without-hive-restart/m-p/66020#M76833 Have you tried to DROP FUNCTION and then RELOAD to reload the new JAR file? And then re-CREATE the function to see if it will work? Wed, 04 Apr 2018 08:26:59 GMT EricL 2018-04-04T08:26:59Z https://community.cloudera.com/t5/Archives-of-Support-Questions/unload-UDFs-without-hive-restart/m-p/66014#M76832 <P>Good day,</P><P>are there ways to unload UDFs without restarting hive service?</P><P>&nbsp;</P><OL><LI>A new jar was added to folder&nbsp;(<SPAN>hive.reloadable.aux.jars.path).</SPAN></LI><LI><SPAN>User created a temporary function in Hue Hive query UI.</SPAN></LI><LI><SPAN>Function (jar) updated - class name is the same, jar file name is different.</SPAN></LI><LI><SPAN>This updated jar is uploaded to folder (hive.reloadable.aux.jars.path).</SPAN></LI><LI><SPAN>Hue Hive has the old (first one) UDF without added functionality.</SPAN></LI></OL><P><SPAN>&nbsp;</SPAN></P><P><SPAN>Maybe there's a command to unload/purge/clean dynamic UDFs beeline or hue api?</SPAN></P> Tue, 21 Apr 2026 13:44:24 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/unload-UDFs-without-hive-restart/m-p/66014#M76832 onlyonstan 2026-04-21T13:44:24Z https://community.cloudera.com/t5/Archives-of-Support-Questions/unload-UDFs-without-hive-restart/m-p/66020#M76833 Have you tried to DROP FUNCTION and then RELOAD to reload the new JAR file? And then re-CREATE the function to see if it will work? Wed, 04 Apr 2018 08:26:59 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/unload-UDFs-without-hive-restart/m-p/66020#M76833 EricL 2018-04-04T08:26:59Z