insn = insn.append(Insn.create(opc_athrow));
// create exception table
final ConstClass catchType
= pool.addClass(JAVA_ClassNotFoundException_Path);
final ExceptionRange exceptionRange
= new ExceptionRange(begin, end, beginHandler, catchType);
final ExceptionTable exceptionTable
= new ExceptionTable();
exceptionTable.addElement(exceptionRange);
final CodeAttribute codeAttr