Problem with config XML file validation

[Aaron Baff]

So I'm very new to mybatis, and so far in my prototyping it looks very good, however when I try and add <settings> and <typeAliases> to the config.xml, it gives me:

The content of element type "configuration" must match "(properties?,settings?,typeAliases?,typeHandlers?,objectFactory?,objectWrapperFactory?,plugins?,environments?,databaseIdProvider?,mappers?)"

Here's my mybatis-config.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
    <environments default="development">
        <environment id="development">
            <transactionManager type="JDBC"/>
            <dataSource type="POOLED">
                <property name="driver" value="com.mysql.jdbc.Driver"/>
                <property name="url" value="jdbc:mysql://test11:4001/jdo_test"/>
                <property name="username" value="jdo-test"/>
                <property name="password" value="testme123"/>
            </dataSource>
        </environment>
    </environments>
    <settings>
        <setting name="useGeneratedKeys" value="true"/>
        <setting name="autoMappingUnknownColumnBehavior" value="true"/>
        <setting name="mapUnderscoreToCamelCase" value="true"/>
    </settings>
    <typeAliases>
        <typeAlias type="com.findology.spring_testing.model.Advertiser" alias="Advertiser"/>
        <typeAlias type="com.findology.spring_testing.model.Campaign" alias="Campaign"/>
    </typeAliases>
    <mappers>
        <mapper class="com.findology.spring_testing.mapper.AdvertiserMapper"/>
        <mapper class="com.findology.spring_testing.mapper.CampaignMapper"/>
    </mappers>
</configuration>

[Iwao AVE!]

Hi Aaron,

Try changing the order of the elements so that it matches the error message.

settings -> typeAliases -> environments - > mappers

Hope this helps,
Iwao

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[Aaron Baff]

Sorry, wasn't checking this thread, for some reason it didn't auto-email me.

Yup, that worked just fine, thanks! Annoying though, since there's nothing documented about that order matters and typically the order of the top level entities in XML hasn't been a problem for other XML config files I've used.

--Aaron

[Iwao AVE!]

Good to know that it worked!
I don't like it either. I am just used to the error ;-)

It might be a good reason for adopting .xsd in addition to .dtd if
it's possible to define order-less elements in .xsd.

Cheers,
Iwao