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Gandhirajan commented on CTAKES-534: ------------------------------------ Try using metamorphosys for UMLS installation and checkout. Please refer the link - https://www.ncbi.nlm.nih.gov/books/NBK9683/ > Error while creating custom dictionary > -------------------------------------- > > Key: CTAKES-534 > URL: https://issues.apache.org/jira/browse/CTAKES-534 > Project: cTAKES > Issue Type: Bug > Reporter: Deepa > Priority: Major > Fix For: 4.0.0 > > Attachments: ctakes dictionary.png > > > Hello There! > I followed the article given here [Dictionary Creator > GUI|https://cwiki.apache.org/confluence/display/CTAKES/Dictionary+Creator+GUI]. > After choosing *UMLS installation* directory tool starts loading but dont > stop. What might be the problem? > I choose *UMLS installation* directory from path > apache-ctakes-4.0.0/bin/ctakes-ytex/scripts/data/umls. > > Error : > 14 Jun 2019 18:25:00 INFO MainPanel - Parsing vocabulary types from > /opt/apache-ctakes-4.0.0/bin/ctakes-ytex/scripts/data/META/MRCONSO.RRF > Exception in thread "pool-1-thread-1" java.lang.ClassCastException: class > jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to class > [java.net|http://java.net/].URLClassLoader > (jdk.internal.loader.ClassLoaders$AppClassLoader and > [java.net|http://java.net/].URLClassLoader are in module java.base of loader > 'bootstrap') -- This message was sent by Atlassian JIRA (v7.6.3#76005)