See discussion in this thread: https://www.mail-archive.com/dev@ctakes.apache.org/msg02873.html
I got around the ScalaObject error by changing from AggregatePlaintextUMLSProcessor to AggregatePlaintextUMLSProcessorMinimal. Tom -----Original Message----- From: shahid ashraf [mailto:sha...@trialx.com] Sent: Monday, February 6, 2017 11:12 PM To: dev@ctakes.apache.org; Sean Finan <sean.fi...@childrens.harvard.edu> Subject: ASSERTION ISSUE I tried to run the assertion thing in the CVD and got the error ... : org.apache.uima.tools.cvd.MainFrame.handleException(528): SEVERE: scala/ScalaObject java.lang.NoClassDefFoundError: scala/ScalaObject tried to added scala-library in pom as well but did not work its the same issue already here but without solutions https://www.mail-archive.com/user@ctakes.apache.org/msg01119.html -- with Regards Shahid Ashraf