Coldfusion is not finding Java classes

Question

Currently I am trying to deploy my coldfusion application from my test server to a production server. The application works fine on the test server, but Coldfusion cannot seem to find my java classes on the production server.

Looking at my coldfusion settings on the test server, I added a java classpath entry so that Coldfusion would (and does) find my java compiled classes used in my judging application:

D:\inetpub\wwwroot\extensionInterviewJudging\javaLib\build

On the production server, this path is set to:

D:\classes

I copy/paste my java compiled classes from the test server to the production server into the above folder and in the same folder structure as in the test server, but my application still isn't finding the java classes.

Are there Coldfusion server settings that I might be forgetting to copy from my test server to production? Why else would java classes be working on a test server but not on a separate installation on a production server?

Thanks in advance for any help!

Jeremy Battle · Accepted Answer · 2011-05-02 02:13:50Z

5

Have you restarted your CF services since changing the path on the production server to D:\classes? If not, I believe you have to restart them in order for this setting to take effect.

answered May 2, 2011 at 2:13

Jeremy Battle

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bpanulla · Accepted Answer · 2011-05-13 17:32:34Z

1

In addition to making sure you restart the CF server, here are a couple of other things to check:

1) Does the ColdFusion App server have the right filesystem permissions to read your Java files?

2) Did you package your Java classes in a jar file? I've sometimes had difficulty getting CF to pick up on bare .class files since ColdFusion is expecting everything on that path to be jar file or a folder containing class files. It's really easy to generate a Jar file from Eclipse or with Ant.

Finally, I highly recommend looking at JavaLoader from RIAForge[1]. It lets you manage Java class loading for your ColdFusion application without restarting the app server. It also will let you compile Java files dynamically on the server. It's well worth the day or so to get used to working with it.

[1] http://javaloader.riaforge.org/

edited May 13, 2011 at 17:32

answered May 2, 2011 at 21:06

bpanulla

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3 Comments

Kyle Over a year ago

I found the solution, and it oddly ended up being unrelated to Java. I had created a couple AJAX calls to grab data using a the table name "judgingEvent," though the actual table name in MySQL is "judgingevent." This works ok on a windows server because MySQL is case-insensitive in windows. Since we were deploying the app on a Linux server, however, MySQL became case-sensitive and vomited once it hit the query.

bpanulla Over a year ago

Aha... been burned by that myself.

Kyle Over a year ago

Accepting this answer since this covers the most common issues that I've had in the past with Java interaction issues.

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