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http://nagoya.apache.org/jira/browse/IBATIS-20?page=comments#action_56123 ]
alex mccarrier commented on IBATIS-20:
--------------------------------------
I think this is the source of the problem, in the compatibility libraries there
is this XSL file:
com/ibatis/db/sqlmap/upgrade/SqlMapConfig.xsl
Which contains this template:
<xsl:template match="datasource">
<xsl:element name="transactionManager">
<xsl:choose>
<xsl:when test="//settings/@useGlobalTransactions='true'">
<xsl:attribute name="type">JTA</xsl:attribute>
<========================== this is wrong
<xsl:element name="property">
<xsl:attribute name="name">UserTransaction</xsl:attribute>
<xsl:attribute name="value">
<xsl:value-of select="//settings/@userTransactionJndiName"/>
</xsl:attribute>
</xsl:element>
</xsl:when>
<xsl:otherwise>
<xsl:attribute name="type">JDBC</xsl:attribute>
</xsl:otherwise>
What this seems to be saying is that if useGlobalTransactions is 'true' then
there will also be a userTransactionJndiName ... however, in the old format
this is not always required, as in our case we are not using that sine we are
not using User Managed Transactions. I think what SHOULD be happening here is
that there should be an option that says if userTransactionJndiName is "" then
transactionManager/@type should be EXTERNAL.
> upgrading from old version defaults to wrong TransactionManager
> ----------------------------------------------------------------
>
> Key: IBATIS-20
> URL: http://nagoya.apache.org/jira/browse/IBATIS-20
> Project: iBatis for Java
> Type: Bug
> Environment: jboss 3.2.1, iBatis 2.0.8 (upgraded from iBatis 1.2.9)
> Reporter: alex mccarrier
>
> We are using EJB to demarcate transactions. Old iBatis sql config file
> contained this:
> <settings useGlobalTransactions="true"
> cacheModelsEnabled="true" />
> <datasource name="snmDataSource"
>
> factory-class="com.ibatis.db.sqlmap.datasource.JndiDataSourceFactory"
> default="true" >
> <property name="DBFullJndiContext"
> value="java:/DataSource" />
> </datasource>
> Which configured iBatis to use external global transaction management, which
> from the documentation I understand this to be the default unless I specify
> to use Managed Global Transactions by including settings attribute called
> "userTransactionJndiName" (iBatis 1.2.9 manual, pp 39-40).
> When iBatis 2.0.8 tries to do the conversion, it defaults to Managed Global
> Transactions, then throws a ClassCastException because it can't find a
> UserTransaction object at jndi name "" (because there is none specified).
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