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

elasticsearchwriter/src/main/java/com/alibaba/datax/plugin/writer/elasticsearchwriter/ElasticSearchWriterErrorCode.java
mysqlreader/src/main/java/com/alibaba/datax/plugin/reader/mysqlreader/MysqlReaderErrorCode.java