diff --git a/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/Bundles.java b/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/Bundles.java
index ef5db313e8..93b138fe43 100644
--- a/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/Bundles.java
+++ b/tycho-core/src/main/java/org/eclipse/tycho/osgi/framework/Bundles.java
@@ -20,6 +20,7 @@ public record Bundles(Set<String> bundles) {
public static final String BUNDLE_ECLIPSE_HELP_BASE = "org.eclipse.help.base";
public static final String BUNDLE_PDE_CORE = "org.eclipse.pde.core";
public static final String BUNDLE_JDT_CORE = "org.eclipse.jdt.core";
+ public static final String BUNDLE_JDT_LAUNCHING = "org.eclipse.jdt.launching";
static final String BUNDLE_LAUNCHING_MACOS = "org.eclipse.jdt.launching.macosx";
static final String BUNDLE_APP = "org.eclipse.equinox.app";
diff --git a/tycho-eclipse-plugin/pom.xml b/tycho-eclipse-plugin/pom.xml
index 8318269ee0..77914e280e 100644
--- a/tycho-eclipse-plugin/pom.xml
+++ b/tycho-eclipse-plugin/pom.xml
@@ -60,6 +60,17 @@
</exclusion>
</exclusions>
</dependency>
+ <dependency>
+ <groupId>org.eclipse.jdt</groupId>
+ <artifactId>org.eclipse.jdt.launching</artifactId>
+ <version>3.23.100</version>
+ <exclusions>
+ <exclusion>
+ <groupId>*</groupId>
+ <artifactId>*</artifactId>
+ </exclusion>
+ </exclusions>
+ </dependency>
<dependency>
<groupId>org.eclipse.tycho</groupId>
<artifactId>sisu-equinox-launching</artifactId>
diff --git a/tycho-eclipse-plugin/src/main/java/org/eclipse/tycho/eclipsebuild/AbstractEclipseBuildMojo.java b/tycho-eclipse-plugin/src/main/java/org/eclipse/tycho/eclipsebuild/AbstractEclipseBuildMojo.java
index f0a48a277c..7417eaa125 100644
--- a/tycho-eclipse-plugin/src/main/java/org/eclipse/tycho/eclipsebuild/AbstractEclipseBuildMojo.java
+++ b/tycho-eclipse-plugin/src/main/java/org/eclipse/tycho/eclipsebuild/AbstractEclipseBuildMojo.java
@@ -15,9 +15,11 @@
import java.lang.reflect.InvocationTargetException;
import java.net.URI;
import java.nio.file.Path;
+import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
+import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.Set;
@@ -25,6 +27,7 @@
import java.util.function.Consumer;
import java.util.stream.Collectors;
+import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.Repository;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
@@ -33,6 +36,8 @@
import org.apache.maven.plugins.annotations.Component;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;
+import org.apache.maven.toolchain.Toolchain;
+import org.apache.maven.toolchain.ToolchainManager;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.tycho.ArtifactKey;
@@ -102,6 +107,9 @@ public abstract class AbstractEclipseBuildMojo<Result extends EclipseBuildResult
@Parameter(property = "project", readonly = true)
protected MavenProject project;
+ @Component
+ protected MavenSession mavenSession;
+
@Component
private EclipseWorkspaceManager workspaceManager;
@@ -114,6 +122,11 @@ public abstract class AbstractEclipseBuildMojo<Result extends EclipseBuildResult
@Component
private TychoProjectManager projectManager;
+ @Component
+ ToolchainManager toolchainManager;
+
+
+
@Override
public final void execute() throws MojoExecutionException, MojoFailureException {
Optional<EclipseProject> eclipseProjectValue = projectManager.getEclipseProject(project);
@@ -169,6 +182,23 @@ public void run() {
thread.start();
framework.waitForApplicationStart(TimeUnit.SECONDS.toMillis(30));
}
+ if (hasJDTNature(eclipseProject)) {
+ if (framework.hasBundle(Bundles.BUNDLE_JDT_LAUNCHING)) {
+ List<Path> jvms = new ArrayList<>();
+ for (Toolchain toolchain : toolchainManager.getToolchains(mavenSession, "jdk", Map.of())) {
+ String tool = toolchain.findTool("java");
+ if (tool != null) {
+ jvms.add(Path.of(tool).getParent().getParent());
+ }
+ }
+ framework.execute(new SetJVMs(jvms, debug));
+ } else {
+ getLog().info(
+ "Skip set JVMs because " + Bundles.BUNDLE_JDT_LAUNCHING
+ + " is not part of the framework...");
+ }
+ }
+
if (hasPDENature(eclipseProject)) {
if (framework.hasBundle(Bundles.BUNDLE_PDE_CORE)) {
framework.execute(new SetTargetPlatform(projectDependencies, debug));
@@ -182,7 +212,7 @@ public void run() {
if (hasBaselinesSet()) {
framework.execute(new SetApiBaseline(project.getId(), getBaselineBundles(), debug));
} else {
- getLog().info("Skip set ApiBasline because no baselines set...");
+ getLog().info("Skip set ApiBaseline because no baselines set...");
}
} else {
getLog().info("Skip set ApiBasline because " + Bundles.BUNDLE_API_TOOLS
diff --git a/tycho-eclipse-plugin/src/main/java/org/eclipse/tycho/eclipsebuild/SetJVMs.java b/tycho-eclipse-plugin/src/main/java/org/eclipse/tycho/eclipsebuild/SetJVMs.java
new file mode 100644
index 0000000000..3a570d8d76
--- /dev/null
+++ b/tycho-eclipse-plugin/src/main/java/org/eclipse/tycho/eclipsebuild/SetJVMs.java
@@ -0,0 +1,64 @@
+/*******************************************************************************
+ * Copyright (c) 2025 Christoph Läubrich and others.
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ * Christoph Läubrich - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.tycho.eclipsebuild;
+
+import java.io.File;
+import java.io.Serializable;
+import java.nio.file.Path;
+import java.util.Collection;
+import java.util.concurrent.Callable;
+
+import org.eclipse.jdt.internal.launching.StandardVMType;
+import org.eclipse.jdt.launching.IVMInstall;
+import org.eclipse.jdt.launching.IVMInstall2;
+import org.eclipse.jdt.launching.JavaRuntime;
+import org.eclipse.jdt.launching.VMStandin;
+
+public class SetJVMs implements Callable<Serializable>, Serializable {
+
+ private static final long serialVersionUID = 1L;
+ private boolean debug;
+ private Collection<String> jvms;
+
+ public SetJVMs(Collection<Path> jvms, boolean debug) {
+ this.debug = debug;
+ this.jvms = jvms.stream().map(EclipseProjectBuild::pathAsString).toList();
+ }
+
+ @Override
+ public Serializable call() throws Exception {
+ StandardVMType standardType = (StandardVMType) JavaRuntime.getVMInstallType(StandardVMType.ID_STANDARD_VM_TYPE);
+ for (String entry : jvms) {
+ debug("Adding JVM " + entry + "...");
+ VMStandin workingCopy = new VMStandin(standardType, entry);
+ workingCopy.setInstallLocation(new File(entry));
+ workingCopy.setName(entry);
+ IVMInstall install = workingCopy.convertToRealVM();
+ if (!isValid(install)) {
+ standardType.disposeVMInstall(install.getId());
+ }
+ }
+ return null;
+ }
+
+ private static boolean isValid(IVMInstall install) {
+ return install instanceof IVMInstall2 vm && vm.getJavaVersion() != null;
+ }
+
+ private void debug(String string) {
+ if (debug) {
+ System.out.println(string);
+ }
+ }
+
+}