Jun 26, 2025 · 6 min read · For the last two weeks, I've kicked the tires of OpenRewrite. At first, I created a recipe to move Kotlin source files as per the official recommendations with a set package name. I then improved the recipe to compute the root automatically. In both ...
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Jun 19, 2025 · 7 min read · I started discovering OpenRewrite last week by writing a Kotlin recipe that moves Kotlin files according to the official directory structure recommendation. I mentioned some future works, and here they are. In this post, I want to describe how to com...
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Jun 12, 2025 · 6 min read · I've been eying OpenRewrite for some time, but I haven't had time to play with it yet. In case you never heard about OpenRewrite, OpenRewrite takes care of refactoring your codebase to newer language, framework, and paradigm versions. OpenRewrite is...
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Apr 18, 2024 · 2 min read · Are you getting a java.lang.ArrayIndexOutOfBoundsException from your JavaTemplate in your OpenRewrite recipe? If you are using substitution indicators (#{}) in your template string, you could have a mismatch between the number of indicators provided ...
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Apr 11, 2024 · 4 min read · Are you seeing an error message like this: Expected recipe to complete in 1 cycle, but took 2 cycles. This usually indicates the recipe is making changes after it should have stabilized. or Expected recipe to complete in 1 cycle, but took at least on...
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Apr 6, 2024 · 8 min read · It is important to have Javadoc comments on our Java interfaces so developers know how the interface was intended to be implemented. Lets use OpenRewrite and an LLM to add Javadoc comments to our interfaces! GroqCloud For this blog we have used the G...
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Mar 2, 2024 · 4 min read · Lets create a new DuplicateClass scanning recipe to show how we can use OpenRewrite to create new files. Why a Scanning Recipe? As we want to create a new file we cannot use the standard imperative recipe. Standard Recipes are only able to work on ex...
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Jan 14, 2024 · 4 min read · You’ve finally managed to get your Java refactoring recipe working where it is producing the correct text output. Your unit test is still failing though with: java.lang.IllegalStateException: AST contains missing or invalid type information Why are t...
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