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For every $500 you spend, we will provide you with a $500 credit on your account*

BLACK FRIDAY SPECIAL EXTENSION

*The maximum is $4000 in credits, Offer valid till December 6th, 2024, New Customers Only, Credit will be applied after purchase and expires after six (6) months

Jenkins Groovy Unable to Resolve Class Error

by | Apr 12, 2024

Learn how to fix the “ Jenkins Groovy Unable to Resolve Class “ error. Our Server Management Support team is here to help you with your questions and concerns.

Jenkins Groovy Unable to Resolve Class Error

Developers often run into errors while working with Groovy scripts. This can be a frustrating experience.

Jenkins Groovy Unable to Resolve Class Error

From “unable to resolve class” messages to configuration issues, troubleshooting these errors is something our experts can help you with. Today, we are going to take a close look at Groovy scripting errors and step-by-step solutions to fix them.

Method 1: Resolving “Unable to Resolve Class” Error

When running a Groovy script via the command-line or Jenkins, you may run into an “unable to resolve class” error.

Here is the solution:

  1. To begin with, make sure that the class is declared in the correct package and that the classpath is correctly configured.
  2. If the class is in the package `com.mycompany.build`, make sure that the classpath includes the folder structure relative to the package.
  3. Then, remove the package declaration in both classes if needed. This allows Groovy/Java to look for classes without the package-folder prefix in the classpath.
  4. In case our class is a `.java` file, compile it into a `.class` file using the `groovyc` command before running the script.
  5. When running the script, set the classpath argument to the directory containing the classes.

    For example:
    C:/java/tools/groovy-2.4.11/bin/groovy -cp C:\Users\myuser\git\productname\mycompany-build\src\main\groovy\com\mycompany\build Foo.groovy`

Method 2: Handling “Configure Groovy SDK” & “Unable to Resolve Class” Errors

We can configure Groovy SDK as seen here:

  1. First, install the Groovy plugin in IntelliJ. Then, open the folder containing the scripts.
  2. Next, follow the prompts to configure Groovy SDK by clicking “Configure Groovy SDK” and selecting the Groovy installation folder.

Additionally, we can resolve the “Unable to Resolve Class” Error as seen here:

  1. First, make sure the class is in the correct package and that the classpath is set correctly.
  2. Then, set the classpath when running the script. Start further back in the directory tree to allow Groovy/Java to locate the class.

Method 3: Resolving Alias Errors

If you are running into errors due to aliasing classes in Groovy scripts, we have to review and edit the import statements to correctly alias classes.

Furthermore, we need to ensure consistency in referring to the aliased classes throughout the script.

Let us know in the comments which one of the above solutions helped you resolve the error.

[Need assistance with a different issue? Our team is available 24/7.]

Conclusion

In brief, our Support Experts demonstrated how to fix the “ Jenkins Groovy Unable to Resolve Class” error.

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