Tomcat Driver Download

12/10/2021by admin

To connect MS Access to Tomcat, you need a JDBC driver. Although Microsoft do not produce a JDBC driver for Access, Easysoft provide two Microsoft Access JDBC drivers. Use these JDBC drivers to connect JSP pages and servlets running under Tomcat to Microsoft Access.

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  • See Tomcat documentation for details. Install your JDBC Drivers. Add the jar files for your JDBC drivers to the Viewer. Copy the driver the following directory: BIRT JDBC Driver Location Note: If you are installing BIRT 2 series the driver needs to be copied to birt-viewerWEB-INFplatformpluginsorg.eclipse.birt.report.data.oda.jdbcdrivers.
  • Derby 10.5.2.0 was removed from the website because of a wrong results regression bug (DERBY-4331). Its replacement release, 10.5.3.0, includes the other fixes listed in the 10.5.2.0 release notes.
  • Install the Oracle database driver. Download the Oracle JDBC driver. Links are available on this page: Database JDBC Drivers. Copy the driver JAR file into the lib folder of your Tomcat installation: TOMCAT-INSTALLATION/lib.
  • Download MS Access JDBC driver for Tomcat on Windows

    The Easysoft JDBC-Access Driver connects Tomcat web apps running on Windows to local MS Access databases. For more information, see the JDBC-Access Driver Getting Started Guide.

  • Download MS Access JDBC driver for Tomcat on Linux and Unix

    The JDBC-ODBC Bridge connects Tomcat web apps running on Linux or Unix to remote MS Access databases. For more information, see this tutorial.

Yes, if you put a single JDBC driver JAR into Tomcat's lib/ (instead of your web app's lib/), this will avoid conflicts like described by the original poster. Of course, all your apps have to be able to work with the same JDBC driver version then. – Philipp Reichart Apr 23 '15 at 17:34. Dec 29, 2020 Download Eclipse Tomcat Plugin for free. Simple handling of a tomcat server in Eclipse IDE. The Eclipse Tomcat Plugin provides simple integration of a tomcat servlet container for the development of java web applications.

Contents

Introduction

Apache Tomcat is a Java Servlet/JavaServer Pages (JSP) container that provides a platform for developing and deploying web applications and web services. Many web applications need to access a database through a JDBC driver and Tomcat makes a JDBC DataSource implementation available for this purpose. If your web application needs to access a database for which only an ODBC driver is either available or suitable, a JDBC-ODBC Bridge is required. Sun provide a JDBC-ODBC Bridge, however this driver is not recommended for use with Tomcat. The Apache Tomcat Database FAQ contains the following entry about the Sun JDBC-ODBC Bridge:

Do not use JDBC-ODBC bridge bundled with Sun’s JDK with Tomcat. It was never meant for a production server environment. If you ask a question about it, everyone will tell you to not use it. If you do need to use ODBC, there are 3rd party drivers which do a pretty good job at being thread safe.

The Easysoft JDBC-ODBC Bridge (JOB) is a thread-safe JDBC-ODBC driver that our customers use in production environments. JOB is compatible with Tomcat and allows Tomcat applications to access any database for which an ODBC driver is available. For example, use JOB to connect web applications running under Tomcat to a Microsoft Access database.

Installing the Easysoft JDBC-ODBC Bridge

If you have not already done so, please register with us to download a fully functional trial version of JOB.

Download, install and license the JOB Server for your database platform. For example, to connect to a Microsoft Access database, download the Windows JOB Server. On the machine where the JOB Server is running, configure an ODBC data source for the database you want to access. Test the data source with an ODBC application. Use one of the test applets included in the JOB distribution to check that you can access the ODBC data source through JOB.

For information about installing, licensing and testing JOB, refer to the Installation and Configuration chapters of the JOB User Guide.

Installing Apache Tomcat

Driver

When testing Apache Tomcat with JOB, we used:

  • Tomcat 7.0.19 with the J2SE Runtime Environment (JRE) 6 on Ubuntu Linux.
  • Tomcat 5.5.17 with the JRE 5.0 on Red Hat Linux.

Note This article follows the Apache Tomcat documentation convention of using $CATALINA_HOME to represent the root of the Tomcat installation directory. For example, if you install Tomcat 7.0.19 in /usr/local, $CATALINA_HOME represents /usr/local/apache-tomcat-7.0.19.

Apache Tomcat Prerequisites

Tomcat 7 requires JRE version 6.0 or later.

We downloaded the JRE 6 Update 26 Linux Self Extracting Installer from:

By default, Tomcat 5.5 requires JRE version 5.0 or later. However, Tomcat can be configured to run on earlier versions of the JRE. Refer to $CATALINA_HOME/RUNNING.txt if this is a requirement.

We downloaded the JRE 5.0 Linux RPM from:

To install the JRE, set execute permission on the .bin file and then run the binary. For example:

Installing and Running Apache Tomcat

  1. Download the Core binary distribution from:
  2. cd to the directory where you want to install Tomcat and unpack the Core binary distribution. For example:
  3. Set the JAVA_HOME environment variable to the JRE directory path and export JAVA_HOME. For example:

    Refer to $CATALINA_HOME/RELEASE-NOTES for information about any other environment variables you need to set for your platform.

  4. Start Tomcat:

    If you unpacked the Tomcat distribution into a directory that only root has write permission to, you need to run startup.sh as root.

    If the Tomcat server is unable to start, the default Tomcat port 8080 may already be in use. Refer to the 'Troubleshooting' section in $CATALINA_HOME/RUNNING.txt for information about how to solve this and other common Tomcat installation problems.

  5. In a web browser, go to the Tomcat home page at:

    http://localhost:8080

    If your web browser is not running on the same server as Tomcat, use this URL: http://tomcathost:8080. Replace tomcathost with the host name or IP address of the Tomcat server.

  6. Test Tomcat by running the example web applications (available from the Examples section of the Tomcat home page.)

Installing the JOB JDBC Driver

To make JOB available to Tomcat’s internal classes and your web applications, copy the JOB client (EJOB.jar) to $CATALINA_HOME/common/lib.

On Windows, EJOB.jar is located in C:Program FilesEasysoftEasysoft JDBC-ODBC Bridgejars, by default. On Unix, EJOB.jar is located in installation_directory/easysoft/job/jars where installation_directory is the Easysoft installation directory, by default, /usr/local.

Adding JDBC Data Sources

To enable a web application to access an ODBC database through JOB, you need to create a JDBC data source. The JDBC data source needs to specify the JOB JDBC driver class, easysoft.sql.jobDriver, and a JOB connection URL that accesses the target ODBC data source. Note that you do not need to copy the JOB JDBC driver to your application’s WEB-INF/lib directory. The Tomcat server manages JDBC connections for web applications and will load the JOB driver from $CATALINA_HOME/common/lib.

JDBC data sources can be created as a web application resource or a global resource. Web application resources are only available to the application in whose context they are defined. Global resources can be used by multiple applications.

To add a JDBC data source as a web application resource, create a Resource entry in the application’s context.xml file.

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To use the JDBC data source, your application needs to do a Java Naming and Directory Interface (JNDI) lookup on the data source name defined in the Resource entry (for example, jdbc/MyDB). All resources are placed in the java:comp/env portion of the JNDI namespace, so to access a JDBC data source, an application would do a JNDI lookup similar to the following:

Note that if you use Tomcat 5.0 or earlier, you also need to declare the JNDI name for the data source in the application’s WEB-INF/web.xml file. For example context.xml and web.xml entries, see Developing and Deploying the Web Application in the Sample Easysoft JDBC-ODBC Bridge Web Application section.

Global resources are outside of a Web application’s context. Resource links are used to make global resources available to a web application. To access a JDBC data source defined as a global resource, an application needs to do a JNDI lookup on the resource link name rather than the data source name.

Adding Global JDBC Data Sources by Editing Tomcat Configuration Files

Add a <Resource> element to the GlobalNamingResources component in $CATALINA_HOME/conf/server.xml. The <Resource> element should have these attributes and values.

Add a <ResourceLink> element to $CATALINA_HOME/conf/context.xml. The <ResourceLink> element should have these attributes and values.

Adding Global JDBC Data Sources by Using the Tomcat 5.5 Administration Web Application

Tomcat 5.5 includes an Administration web app, which allows Tomcat administrators to create JDBC data sources as global resources that are available to all applications deployed on the Tomcat server. Administrators can also use the Administration web app to override settings in a web application data source. For example, when deploying a web application, an Administrator might edit a data source to connect to a production database rather than a development version.

Installing the Administration Web Application

The Administration web application is not distributed with the Tomcat 5.5 binaries. If you are using Tomcat 5.5, you need to download Administration web app separately and add it to your Tomcat installation.

  1. Download the Administration web application binary distribution from:
  2. Unpack the Administration web application binary distribution to a temporary directory and cd into the directory created by unpacking the distribution file. For example:
  3. Copy admin.xml from the conf/Catalina/localhost subdirectory to $CATALINA_HOME/conf/Catalina/localhost:
  4. Copy the server/webapps/admin subdirectory to $CATALINA_HOME/server/webapps/admin:
  5. To log into the Tomcat Administration web application, you need to associate a user with the admin role. To do this, add a user with this role to $CATALINA_HOME/conf/tomcat-users.xml. For example:
  6. Restart Tomcat:
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Adding Global JDBC Data Sources

  1. In a web browser, access the Tomcat home page at http://localhost:8080.
  2. In the Administration section, click Tomcat Administration.
  3. Type the user name and password for the admin user, and then click Login.
  4. In the left pane of the Administration web app, under Resources, click Data Sources.
  5. In the right pane of the Administration web app, in the Data Source Actions list, click Create New Data Source.

    Complete the Data Sources form.

    To make this data source available to a web application, you need to add a resource link.

  6. In the left pane of the Administration web app, under Tomcat Server, click to expand the Service list. Expand the Host list, and then expand the Context list for the application
  7. Under Resources, click Resource Links.
  8. In the right pane of the Administration web app, in the Resource Link Actions list, click Create New Resource Link.

    Complete the Resource Links form.

  9. Click Save.
  10. Click Commit Changes.

Editing JDBC Data Sources

  1. Log into the Administration web app.
  2. Do one of the following:
    • To edit a JDBC data source for a particular web application, in the left pane of the Administration web app, under Tomcat Server, click to expand the Service list. Expand the Host list, and then expand the Context list for the application. Under Resources, click Data Sources.
    • To edit a global JDBC data source, in the left pane of the Administration web app, under Resources, click Data Sources.
  3. In the right pane of the Administration web app, in the Data Source list, click the data source’s JNDI name.
  4. Make the changes you want in the Edit Data Source page.
  5. Click Save.
  6. Click Commit Changes.

Sample JDBC Data Source for the Easysoft JDBC-ODBC Bridge

Administration web app<Resourcelink> elementValue
NamenameThe local resource name, relative to the java:comp/env context. For example, ds/MyDB.
GlobalglobalThe global resource to link to. For example, jdbc/MyDB.
Typetypejavax.sql.DataSource
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Sample Easysoft JDBC-ODBC Bridge Web Application

This section shows you how to develop and deploy a simple Tomcat web application that uses JOB to access an ODBC database.

Installing Apache Ant

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The Apache Ant build tool lets you build and install web applications that you are developing for use with Tomcat. When developing the example web application, we used Apache Ant 1.6.5 and 1.8.2.

  1. Download the Ant binary distribution from:
  2. On a development Tomcat server, cd to the directory where you want to install Ant and unpack the Ant distribution. For example:
  3. Set the ANT_HOME environment variable to the Ant installation directory and export ANT_HOME. For example:
  4. Add the Ant bin directory to your path:
  5. Set the JAVA_HOME environment variable to the JDK or JRE directory path and export JAVA_HOME. For example:

Setting Up the Manager Ant Tasks

Tomcat includes a set of custom task definitions that allow Ant to interact with the Tomcat Manager web application. Use these tasks to install, reload and uninstall web applications from the Ant command line.

To enable Ant to execute Tomcat Manager web application commands:

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  • Add a user with the manager-script role to $CATALINA_HOME/conf/tomcat-users.xml. For example:

    The Manager web application runs under a security constraint that requires a user with the role manager-script to be logged in.

Tomcat 5

  1. Copy $CATALINA_HOME/server/lib/catalina-ant.jar to the lib directory of your Ant installation. For example:
  2. Add a user with the manager role to $CATALINA_HOME/conf/tomcat-users.xml. For example:

    The Manager web application runs under a security constraint that requires a user with the role manager to be logged in.

Developing and Deploying the Web Application

tomcat-odbc-demo is a simple web application that uses a JSP page to connect to a JDBC data source defined in the application’s context and retrieve some data. This section describes how to create and organise the source files for tomcat-odbc-demo and use ant to install the web app on a Tomcat server.

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  1. On a development Tomcat server, create a top-level project directory for the web application:
  2. In the project directory, create subdirectories named src, web and web/WEB-INF:
  3. Download http://tomcat.apache.org/tomcat-version-doc/appdev/build.xml.txt. Rename the file to build.xml and copy it to the project source directory:
  4. Open build.xml in a text editor. Add these lines to the prepare target:
  5. Configure the Ant properties defined in build.xml. To do this, create a file named build.properties in the same directory as build.xml. Add the following lines to build.properties:

    Replace the catalina.home value with the directory where the Tomcat binaries are installed.

    For Tomcat 7, replace the manager.username and manager.password values with the user name and password of a user with the role 'manager-script', (see $CATALINA_HOME/conf/tomcat-users.xml).

    For Tomcat 5, replace the manager.username and manager.password values with the user name and password of a user with the role 'manager', (see $CATALINA_HOME/conf/tomcat-users.xml).

  6. Create a file named context.xml in the same directory as build.xml. Open the file in a text editor and add these lines:

    Replace:

    • my_database_username and my_database_password with a valid user name and password for the target database. If your database does not require a user name and password, omit the username and password atributes.
    • my_username and my_password with a valid user name and password for the machine where the JOB Server is running.
    • my_host with the host name or IP address of the JOB Server machine.
    • my_dsn with the System ODBC data source on the JOB Server machine that you want to access.

    Note For readability, the JDBC URL has been split over two lines. Edit the URL so that the value occupies only one line.

    This context.xml entry defines the JDBC data source that tomcat-odbc-demo uses to access the ODBC database.

    For a complete list of configuration parameters that can be set for a JDBC data source, see the DBCP documentation.

  7. Download http://tomcat.apache.org/tomcat-version-doc/appdev/web.xml.txt. Rename the file to web.xml and copy it to tomcat-odbc-demo/web/WEB-INF:
  8. Open the web.xml in a text editor and add these lines inside the <web-app> element:

    Tomcat uses the deployment descriptor file web.xml to see what components a web application contains.

  9. If you are using Tomcat 5.0 or earlier, add the following entry to web.xml. Otherwise, skip this step.

    This entry defines the JNDI name under which the web application needs to look up the data source.

  10. Create a file named tomcat-odbc-demo.jsp in tomcat-odbc-demo/web. Open the file in a text editor and add these lines:

    You need to edit the SELECT statement in the executeQuery method and the column name in the getString method.

  11. Install tomcat-odbc-demo:

    ant install copies tomcat-odbc-demo to $CATALINA_HOME/webapps and tells Tomcat to start running the application. You can test the web application at http://localhost:8080/tomcat-odbc-demo.

  12. When you have tested tomcat-odbc-demo, type ant remove to stop tomcat-odbc-demo and remove the tomcat-odbc-demo directory tree from $CATALINA_HOME/webapps.

References

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  • Apache Tomcat Documentation:
  • Apache Tomcat Wiki: How do I use DataSources with Tomcat?
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