Db2 Driver/Datasource setup on wildfly: Failed to load module for driver [com.ibm]

Question

I am wanting to configure the data source for db2 on my wildfly server (Wildfly.8.0.0-Final and 8.1.0 as well.) and am running into some problems doing so.

My research tells me this is a two step process

1. install the drivers as a module in the %JBOSS_HOME%/modules/com/ibm/main dir.
2. configure the datasources subsystem to include this module as a driver in your connection settings.

So far I have installed the module under the following structure with the following module.xml:

modules/
`-- com/
    `-- ibm/
        `-- main/
            |-- db2jcc4.jar
            |-- db2jcc_license_cu.jar
            |-- db2jcc_license_cisuz.jar
            `-- module.xml

<?xml version="1.0" encoding="UTF-8"?>
<module xmlns="urn:jboss:module:1.3" name="com.ibm">
    <resources>
        <resource-root path="db2jcc4.jar"/>
        <resource-root path="db2jcc_license_cu.jar"/>
        <resource-root path="db2jcc_license_cisuz.jar"/>
    </resources>
    <dependencies>
        <module name="javax.api"/>
        <module name="javax.transaction.api"/>
        <module name="sun.jdk"/>
    </dependencies>
</module>

There is no space before the <?...?> in the xml file. the module name is "com.ibm" and the datasource is as follows:

<subsystem xmlns="urn:jboss:domain:datasources:2.0">
    <datasources>
        <datasource jndi-name="java:/jdbc/MyDS" pool-name="MyDS" enabled="true" use-java-context="true">
            <xa-datasource-property name="ServerName">myIP</xa-datasource-property>
            <xa-datasource-property name="PortNumber">1234</xa-datasource-property>
            <xa-datasource-property name="DatabaseName">MyDB</xa-datasource-property>
            <xa-datasource-property name="DriverType">4</xa-datasource-property>
            <driver>ibmdb2</driver>
            <pool>
                <min-pool-size>0</min-pool-size>
                <max-pool-size>50</max-pool-size>
            </pool>
            <security>
                <user-name>bob</user-name>
                <password>isyouruncle</password>
            </security>
            <validation>
                <valid-connection-checker class-name="org.jboss.jca.adapters.jdbc.extensions.db2.DB2ValidConnectionChecker"/>
                <stale-connection-checker class-name="org.jboss.jca.adapters.jdbc.extensions.db2.DB2StaleConnectionChecker"/>
                <exception-sorter class-name="org.jboss.jca.adapters.jdbc.extensions.db2.DB2ExceptionSorter"/>
            </validation>
        </datasource>
        <drivers>
            <driver name="ibmdb2" module="com.ibm">
                <xa-datasource-class>com.ibm.db2.jcc.DB2XADatasource</xa-datasource-class>
            </driver>
        </drivers>
    </datasources>
</subsystem>

The loading up of the server produces this error:

12:49:01,228 ERROR [org.jboss.as.controller.management-operation] (ServerService Thread Pool -- 9) JBAS014613: Operation ("add") failed - address: ([
    ("subsystem" => "datasources"),
    ("jdbc-driver" => "ibmdb2")
]) - failure description: "JBAS010441: Failed to load module for driver [com.ibm]"

Which in turn causes my datasource declaration to fail loading as the driver is missing.

I am using older documentation as a guide because there doesn't seem to be any available for wildfly as yet. this documentation shows some promise but it seems a little out of date. If anyone has had any experience setting this up then Your help would be much appreciated.

I want to connect to DB2 9.7.

Please and thank you.

Answer 1

try replacing :

<resources-root path="db2jcc4.jar"/> <resources-root path="db2jcc_license_cu.jar"/> <resources-root path="db2jcc_license_cisuz.jar"/>

by

<resource-root path="db2jcc4.jar"/> <resource-root path="db2jcc_license_cu.jar"/> <resource-root path="db2jcc_license_cisuz.jar"/>

Remove the s from resources-route!

Answer 2

You could try to enable jboss.jdbc.spy = TRACE and add spy="true" to the datasource.

<datasource jndi-name="..." ... spy="true">

and

<logger category="jboss.jdbc.spy">
  <level name="TRACE"/>
</logger>

This is normally to debug the JDBC, but perhaps it shows more on the loading of the driver as well. Also you definitely need the resource-root without s.

Answer 3

I had the same issue. I resolved it by removing these two lines from module.xml:

<resource-root path="db2jcc_license_cu.jar"/>
<resource-root path="db2jcc_license_cisuz.jar"/>

I don't have a specific explanation as to why this worked.

Answer 4

This is not the solution to your problem but a reference for future visitors who (like me) come to this question by search of the same error message:

Today I had the same problem, for me it was an error in module.xml and standalone-full.xml. In both cases the module name was given as com.ibm.main, but it should have been com.ibm.

So in short: If you encounter this message and double checking the config files doesn't help, rewrite them.

Answer 5

jar files in module main folder should be added to the module.xml as

<resources>
    <resource-root path="db2jcc4.jar"/>
    <resource-root path="db2jcc_license_cu.jar"/>
</resources>

If you're using db2jcc.jar and not db2jcc4.jar and as you're defining a standard (non-XA) datasource, perhaps it helps to spedicfy the driver class too.

<driver-class>com.ibm.db2.jcc.DB2Driver</driver-class>