"WFLYJCA0041: Failed to load module for driver [com.mysql]" on Jboss 7 with MySQL database

Question

I am creating a web application for JBoss EAP 7 and trying to connect to MySQL 8.0 database.

Am getting the error as

[org.jboss.as.controller.management-operation] (ServerService Thread Pool -- 39) WFLYCTL0013: Operation ("add") failed - address: ([("subsystem" => "datasources"), ("jdbc-driver" => "mysql")]) - failure description: "WFLYJCA0041: Failed to load module for driver [com.mysql]"

My module.xml file in \jboss-eap-7.1.0\modules\system\layers\base\com\mysql\main is as follows:

<?xml version="1.0" encoding="UTF-8"?>
<module xmlns="urn:jboss:module:1.3" name="com.mysql">
    <resources>
        <resource-root path="mysql-connector-java-8.0.12" />
    </resources>
    <dependencies>
        <module name="javax.api"/>
        <module name="javax.transaction.api"/>
    </dependencies>
</module>

And placed "mysql-connector-java-8.0.12.jar" in \jboss-eap-7.1.0\modules\system\layers\base\com\mysql\main path where module.xml exist.

Datasource configuraion is:

<datasources>
                <datasource jta="true" jndi-name="java:jboss/datasources/jdbc/sdmspool" pool-name="sdmspool" enabled="true" use-java-context="true">
                    <connection-url>jdbc:sqlserver://database;databaseName = sdms</connection-url>
                    <driver>mysql-connector-java-8.0.12</driver>
                    <security>
                        <user-name>user</user-name>
                        <password>password</password>
                    </security>
                </datasource>
                <drivers>
                    <driver name="mysql-connector-java-8.0.12" module="com.mysql">
                        <driver-class>com.mysql.jdbc.Driver</driver-class>
                        <xa-datasource-class>com.mysql.jdbc.jdbc2.optional.MysqlXADataSource</xa-datasource-class>
                    </driver>
                </drivers>
            </datasources>

Can anyone help me in solving this?

There is no such thing as Wildfly 7. Wildfly 8 was the first Wildfly release. You're running JBoss 7. I updated the tags. — stdunbar
– stdunbar, Commented Aug 20, 2018 at 17:34

ArunM · Accepted Answer · 2020-06-05 05:06:24Z

8

Try creating the module by using jboss-cli as follows: Run the below commands:

./jboss-cli.sh (this will start cli in disconnected mode,in the same mode run the below command)
module add --name=com.mysql --resources=/path/to/mysql.jar --dependencies=javax.api,javax.transaction.api and then try adding respective driver in your eap configuration.

You don't have to explicitly define driver-class and xa-datasource-class.

edited Jun 5, 2020 at 5:06

ArunM

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answered Aug 21, 2018 at 9:31

Sweta Patra

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3 Comments

Luan Kevin Ferreira Over a year ago

This way worked for me, I was trying to add the Redshift driver, thanks.

I'm_Pratik Over a year ago

Thanks, this configuration I was missing. Worked for me as well

user6569270 Over a year ago

This is the only right way of doing it, official documenation mentioning a method with manual addition of a module is misleading. The command-line function adds to {base-url}\keycloak-11.0.2\modules\com folder directly (not {base-url}\keycloak-11.0.2\modules\system\layers\keycloak\com).

ben_wea · Accepted Answer · 2019-02-13 15:40:08Z

1

resource root path should be as well mysql-connector-java-8.0.12.jar

please note that the extension (.jar) is missing in your xml config

answered Feb 13, 2019 at 15:40

ben_wea

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