cassandrareader/src/main/assembly/package.xml
elasticsearchwriter/src/main/assembly/package.xml

cassandrareader/src/main/java/com/alibaba/datax/plugin/reader/cassandrareader/CassandraReaderErrorCode.java
elasticsearchwriter/src/main/java/com/alibaba/datax/plugin/writer/elasticsearchwriter/ElasticSearchWriterErrorCode.java