[ https://issues.apache.org/jira/browse/MADLIB-1161?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Frank McQuillan closed MADLIB-1161. ----------------------------------- Resolution: Fixed > DT: Trees trained by MADlib < 1.12 fail when predicted on 1.12 > -------------------------------------------------------------- > > Key: MADLIB-1161 > URL: https://issues.apache.org/jira/browse/MADLIB-1161 > Project: Apache MADlib > Issue Type: Bug > Components: Module: Decision Tree > Reporter: Rahul Iyer > Priority: Minor > Fix For: v1.13 > > > Report from Scott Gai > After upgrade madlib package from 1.11 to 1.12, the tree decision modles > which were trained prior to upgrade started to fail with errors like below > {code} > ERROR: KeyError: 'null_proxy' (plpython.c:4656) CONTEXT: Traceback (most > recent call last): PL/Python function "tree_predict", line 19, in <module> > return decision_tree.tree_predict(**globals()) PL/Python function > "tree_predict", line 1759, in tree_predict PL/Python function "tree_predict" > ********** Error ********** ERROR: KeyError: 'null_proxy' (plpython.c:4656) > SQL state: XX000 Context: Traceback (most recent call last): PL/Python > function "tree_predict", line 19, in <module> return > decision_tree.tree_predict(**globals()) PL/Python function "tree_predict", > line 1759, in tree_predict PL/Python function "tree_predict" > {code} -- This message was sent by Atlassian JIRA (v6.4.14#64029)