For versions higher than 6.5.0 i am getting the following error: Error during code generation for file 'file-path' - this may be due to an error in your binding or classpath, or to an error in the JiBX code LocalVariableTable name index programming error: max 65,536 > 65,535 I tried splitting my main jibx.xml file where schema set are defined into multiple files and tried to make them small. But still got same error. Is there anything else I could try?