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From "Chip Owen" <cowen...@earthlink.net>
Subject RE: Ibatis 3 Insert Error
Date Mon, 01 Feb 2010 02:00:34 GMT
Clinton -

 

Here is the Key mapper interface definition:

 

package com.catalog.model.dao;

 

import java.util.List;

 

import com.catalog.model.Key;

 

public interface KeyMapper {

   Key insertKey(Key key);

 

   Key selectKey(int keyid);

 

   List<Key> selectKeys();

}

 

Currently, I have the return type from insertKey as "Key". Presumbably, this
would be a key object containing the newly created key object and key id.

 

- Chip

 

  _____  

From: Clinton Begin [mailto:clinton.begin@gmail.com] 
Sent: Sunday, January 31, 2010 8:41 PM
To: user-java@ibatis.apache.org
Subject: Re: Ibatis 3 Insert Error

 

What's the return type of the mapper method?

Clinton

On Sun, Jan 31, 2010 at 3:03 PM, ChippyJoey <cowen147@earthlink.net> wrote:


Hi -

I am new to Ibatis and I have run into an issue regarding inserts into a
table. I am getting the following error when I attempt to insert data into a
table:

DEBUG [main] - Checked out connection 14247087 from pool.
DEBUG [main] - ooo Connection Opened
DEBUG [main] - ==>  Executing: insert into dbo.[Key] (KeyId, KeyValue)
values (?, ?)
DEBUG [main] - ==> Parameters: 1(String), Test 147(String)
java.lang.ClassCastException: java.lang.Integer
     at $Proxy4.insertKey(Unknown Source)
     at com.catalog.model.dao.impl.KeyImpl.insertKey(KeyImpl.java:21)
     at com.catalog.appl.Import.addKey(Import.java:74)
     at com.catalog.appl.Import.importFiles(Import.java:33)
     at com.catalog.appl.Import.main(Import.java:204)
DEBUG [main] - xxx Connection Closed
DEBUG [main] - Returned connection 14247087 to pool.

The table that I am attempting to insert into has the following definition:

CREATE TABLE [dbo].[Key](
     [KeyId] [nchar](10) NULL,
     [KeyValue] [nchar](10) NULL
) ON [PRIMARY]

I am using the following SQL map for inserts into the Key table:

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//ibatis.apache.org//DTD
<http://ibatis.apache.org/DTD>  Mapper 3.0//EN"
"http://ibatis.apache.org/dtd/ibatis-3-mapper.dtd">
<mapper namespace="com.catalog.model.dao.KeyMapper">
 <insert id="insertKey" parameterType="com.catalog.model.Key">
   insert into dbo.[Key]
      (KeyId, KeyValue)
  values

      (#{keyid}, #{keyvalue})
 </insert>
</mapper>

I have the following environment:

Ibatis 3 (ibatis-3-core-3.0.0.227.jar)
Java 1.5
SQL Server 2008 Express

Whats interesting about the error is that the Key table does not even have
an Integer type that could cause a casting problem. I am wondering if the
casting issue is occurring as a result of Ibatis attempting to handle the
row count after the insert has completed (i.e. 1 row inserted). I am sure I
am doing something wrong but I am not sure what it is. Any help would be
greatly appreciated.

Thanks in advance.

- Chip

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