create table imgtable ( id varchar(4) not null , filename varchar(20) not null , img BLOB , primary key ( id ) ); <web-app> <!--ここから--> <servlet> <servlet-name>SampleBlobServlet1</servlet-name> <servlet-class>SampleBlobServlet1</servlet-class> </servlet> <servlet> <servlet-name>SampleBlobServlet2</servlet-name> <servlet-class>SampleBlobServlet2</servlet-class> </servlet> <servlet-mapping> <se