Open source

Migrate to Java 25

Recipe IDorg.openrewrite.java.migrate.UpgradeToJava25

Artifactorg.openrewrite.recipe:rewrite-migrate-java

This recipe will apply changes commonly needed when migrating to Java 25. This recipe will also replace deprecated API with equivalents when there is a clear migration strategy. Build files will also be updated to use Java 25 as the target/source and plugins will be also be upgraded to versions that are compatible with Java 25.

Composite recipeJavajava25Moderne Source Available License

Try in PlatformTry this recipe in the Moderne platform. Not a user yet? You’ll get a no-setup demo environment, with nothing to install or configure.

Definition

Preconditions1

• Singleton

Recipes18

18 recipes

• Migrate to Java 21
• Upgrade Kotlin to 2.3 for Java 25 compatibility
• Upgrade build to Java 24 for Kotlin 1.x
• Upgrade build to Java 25 (non-Kotlin)
• Upgrade build to Java 25 for Kotlin 2.3+
• Upgrade plugins to Java 25 compatible versions
• Migrate System.out.print to Java 25 IO utility class
• Use Process#waitFor(Duration)
• Replace unused variables with underscore
• Replace Inflater and Deflater end() calls with close()
• Use Reader.of(CharSequence) for non-synchronized readers
• Remove Security AccessController
• Remove Security Policy
• Remove Security SecurityManager
• Replace System.getSecurityManager() with null
• Use ZipException instead of ZipError
• Migrate GraalVM resource-config.json to glob patterns
• Comment Kotlin modules capped at Java 24

Examples

xml

Unchanged

project

xml

Before

<project>
    <groupId>com.mycompany.app</groupId>
    <artifactId>my-app</artifactId>
    <version>1</version>
    <properties>
        <maven.compiler.release>17</maven.compiler.release>
    </properties>
    <dependencies>
        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
            <version>33.0.0-jre</version>
        </dependency>
    </dependencies>
</project>

After

<project>
    <groupId>com.mycompany.app</groupId>
    <artifactId>my-app</artifactId>
    <version>1</version>
    <properties>
        <maven.compiler.release>25</maven.compiler.release>
    </properties>
    <dependencies>
        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
            <version>33.0.0-jre</version>
        </dependency>
    </dependencies>
</project>

Diff

--- pom.xml
+++ pom.xml
@@ -6,1 +6,1 @@
    <version>1</version>
    <properties>
-       <maven.compiler.release>17</maven.compiler.release>
+       <maven.compiler.release>25</maven.compiler.release>
    </properties>

xml

Unchanged

project

xml

Before

<project>
    <groupId>com.mycompany.app</groupId>
    <artifactId>my-app</artifactId>
    <version>1</version>
    <properties>
        <maven.compiler.release>17</maven.compiler.release>
    </properties>
</project>

After

<project>
    <groupId>com.mycompany.app</groupId>
    <artifactId>my-app</artifactId>
    <version>1</version>
    <properties>
        <maven.compiler.release>25</maven.compiler.release>
    </properties>
</project>

Diff

--- pom.xml
+++ pom.xml
@@ -6,1 +6,1 @@
    <version>1</version>
    <properties>
-       <maven.compiler.release>17</maven.compiler.release>
+       <maven.compiler.release>25</maven.compiler.release>
    </properties>

xml

Unchanged

project

xml

Before

<project>
    <groupId>com.mycompany.app</groupId>
    <artifactId>my-app</artifactId>
    <version>1</version>
    <properties>
        <maven.compiler.release>17</maven.compiler.release>
    </properties>
    <dependencies>
        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
            <version>33.0.0-jre</version>
        </dependency>
    </dependencies>
</project>

After

<project>
    <groupId>com.mycompany.app</groupId>
    <artifactId>my-app</artifactId>
    <version>1</version>
    <properties>
        <maven.compiler.release>25</maven.compiler.release>
    </properties>
    <dependencies>
        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
            <version>33.0.0-jre</version>
        </dependency>
    </dependencies>
</project>

Diff

--- pom.xml
+++ pom.xml
@@ -6,1 +6,1 @@
    <version>1</version>
    <properties>
-       <maven.compiler.release>17</maven.compiler.release>
+       <maven.compiler.release>25</maven.compiler.release>
    </properties>

xml

Unchanged

project

xml

Before

<project>
    <groupId>com.mycompany.app</groupId>
    <artifactId>my-app</artifactId>
    <version>1</version>
    <properties>
        <maven.compiler.release>17</maven.compiler.release>
    </properties>
</project>

After

<project>
    <groupId>com.mycompany.app</groupId>
    <artifactId>my-app</artifactId>
    <version>1</version>
    <properties>
        <maven.compiler.release>25</maven.compiler.release>
    </properties>
</project>

Diff

--- pom.xml
+++ pom.xml
@@ -6,1 +6,1 @@
    <version>1</version>
    <properties>
-       <maven.compiler.release>17</maven.compiler.release>
+       <maven.compiler.release>25</maven.compiler.release>
    </properties>

Usage

Run this recipe

This recipe has no required configuration options. Users of Moderne can run it via the Moderne CLI.

You will need to have configured the Moderne CLI on your machine before you can run the following command.

shell

mod run . --recipe UpgradeToJava25

If the recipe is not available locally, then you can install it using:

mod config recipes jar install org.openrewrite.recipe:rewrite-migrate-java:3.38.0

Data tables

Maven metadata failures

org.openrewrite.maven.table.MavenMetadataFailures

Attempts to resolve maven metadata that failed.

Column	Description
Group id	The groupId of the artifact for which the metadata download failed.
Artifact id	The artifactId of the artifact for which the metadata download failed.
Version	The version of the artifact for which the metadata download failed.
Maven repository	The URL of the Maven repository that the metadata download failed on.
Snapshots	Does the repository support snapshots.
Releases	Does the repository support releases.
Failure	The reason the metadata download failed.

Source files that had results

org.openrewrite.table.SourcesFileResults

Source files that were modified by the recipe run.

Column	Description
Source path before the run	The source path of the file before the run. null when a source file was created during the run.
Source path after the run	A recipe may modify the source path. This is the path after the run. null when a source file was deleted during the run.
Parent of the recipe that made changes	In a hierarchical recipe, the parent of the recipe that made a change. Empty if this is the root of a hierarchy or if the recipe is not hierarchical at all.
Recipe that made changes	The specific recipe that made a change.
Estimated time saving	An estimated effort that a developer to fix manually instead of using this recipe, in unit of seconds.
Cycle	The recipe cycle in which the change was made.

Source files that had search results

org.openrewrite.table.SearchResults

Search results that were found during the recipe run.

Column	Description
Source path of search result before the run	The source path of the file with the search result markers present.
Source path of search result after run the run	A recipe may modify the source path. This is the path after the run. null when a source file was deleted during the run.
Result	The trimmed printed tree of the LST element that the marker is attached to.
Description	The content of the description of the marker.
Recipe that added the search marker	The specific recipe that added the Search marker.

Source files that errored on a recipe

org.openrewrite.table.SourcesFileErrors

The details of all errors produced by a recipe run.

Column	Description
Source path	The file that failed to parse.
Recipe that made changes	The specific recipe that made a change.
Stack trace	The stack trace of the failure.

Recipe performance

org.openrewrite.table.RecipeRunStats

Statistics used in analyzing the performance of recipes.

Column	Description
The recipe	The recipe whose stats are being measured both individually and cumulatively.
Source file count	The number of source files the recipe ran over.
Source file changed count	The number of source files which were changed in the recipe run. Includes files created, deleted, and edited.
Cumulative scanning time (ns)	The total time spent across the scanning phase of this recipe.
Max scanning time (ns)	The max time scanning any one source file.
Cumulative edit time (ns)	The total time spent across the editing phase of this recipe.
Max edit time (ns)	The max time editing any one source file.