Provide support for Java 22 (#3111)

* Provide support for Java 22 Signed-off-by: Snjezana Peco <snjezana.peco@redhat.com> * Update build against I20240325-1800 Signed-off-by: Fred Bricon <fbricon@gmail.com> * Update Java 22 tests Signed-off-by: Snjezana Peco <snjezana.peco@redhat.com> --------- Signed-off-by: Snjezana Peco <snjezana.peco@redhat.com> Signed-off-by: Fred Bricon <fbricon@gmail.com> Co-authored-by: Fred Bricon <fbricon@gmail.com>
eclipse-jdtls · Mar 26, 2024 · 0acbde9 · 0acbde9
1 parent ea09920
commit 0acbde9
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Showing 24 changed files with 213 additions and 34 deletions.
diff --git a/.../org/eclipse/jdt/ls/core/internal/corrections/proposals/ReorgCorrectionsSubProcessor.java b/.../org/eclipse/jdt/ls/core/internal/corrections/proposals/ReorgCorrectionsSubProcessor.java
@@ -31,9 +31,7 @@
 import org.eclipse.jdt.internal.corext.fix.UnusedCodeFixCore;
 import org.eclipse.jdt.internal.corext.refactoring.changes.RenameCompilationUnitChange;
 import org.eclipse.jdt.internal.corext.util.Messages;
-import org.eclipse.jdt.internal.ui.fix.UnusedCodeCleanUp;
-import org.eclipse.jdt.ui.text.java.IInvocationContext;
-import org.eclipse.jdt.ui.text.java.IProblemLocation;
+import org.eclipse.jdt.internal.ui.fix.UnusedCodeCleanUpCore;
 import org.eclipse.jdt.internal.ui.text.correction.IProposalRelevance;
 import org.eclipse.jdt.internal.ui.text.correction.ReorgCorrectionsBaseSubProcessor;
 import org.eclipse.jdt.internal.ui.text.correction.UnresolvedElementsBaseSubProcessor;
@@ -43,6 +41,8 @@
 import org.eclipse.jdt.ls.core.internal.corrections.CorrectionMessages;
 import org.eclipse.jdt.ls.core.internal.corrections.ProposalKindWrapper;
 import org.eclipse.jdt.ls.core.internal.handlers.CodeActionHandler;
+import org.eclipse.jdt.ui.text.java.IInvocationContext;
+import org.eclipse.jdt.ui.text.java.IProblemLocation;
 import org.eclipse.lsp4j.CodeActionKind;
 import org.eclipse.ltk.core.refactoring.Change;
 import org.eclipse.ltk.core.refactoring.CompositeChange;
@@ -128,7 +128,7 @@ public void addRemoveImportStatementProposals(IInvocationContext context, IProbl
 	 * @see org.eclipse.jdt.internal.ui.text.correction.ReorgCorrectionsBaseSubProcessor#createRemoveUnusedImportProposal(org.eclipse.jdt.internal.corext.fix.IProposableFix, org.eclipse.jdt.internal.ui.fix.UnusedCodeCleanUp, int, org.eclipse.jdt.ui.text.java.IInvocationContext)
 	 */
 	@Override
-	protected ProposalKindWrapper createRemoveUnusedImportProposal(IProposableFix fix, UnusedCodeCleanUp unusedCodeCleanUp, int relevance, IInvocationContext context) {
+	protected ProposalKindWrapper createRemoveUnusedImportProposal(IProposableFix fix, UnusedCodeCleanUpCore unusedCodeCleanUp, int relevance, IInvocationContext context) {
 		if (fix != null) {
 			try {
 				CompilationUnitChange change = fix.createChange(null);

diff --git a/.../src/org/eclipse/jdt/ls/core/internal/corrections/proposals/TypeMismatchSubProcessor.java b/.../src/org/eclipse/jdt/ls/core/internal/corrections/proposals/TypeMismatchSubProcessor.java
@@ -216,7 +216,7 @@ protected ProposalKindWrapper createChangeMethodSignatureProposal(String label,
 	 */
 	@Override
 	protected ProposalKindWrapper createNewVariableCorrectionProposal(String label, ICompilationUnit cu, int local, SimpleName simpleName, ITypeBinding senderBinding, int relevance) {
-		NewVariableCorrectionProposalCore p = new NewVariableCorrectionProposalCore(label, cu, NewVariableCorrectionProposalCore.LOCAL, simpleName, null, relevance);
+		NewVariableCorrectionProposalCore p = new NewVariableCorrectionProposalCore(label, cu, NewVariableCorrectionProposalCore.LOCAL, simpleName, null, relevance, false);
 		return CodeActionHandler.wrap(p, CodeActionKind.QuickFix);
 	}
 

diff --git a/...g/eclipse/jdt/ls/core/internal/text/correction/AssignToVariableAssistCommandProposal.java b/...g/eclipse/jdt/ls/core/internal/text/correction/AssignToVariableAssistCommandProposal.java
@@ -25,7 +25,7 @@ public class AssignToVariableAssistCommandProposal extends AssignToVariableAssis
 	private List<Object> commandArguments;
 
 	public AssignToVariableAssistCommandProposal(ICompilationUnit cu, int variableKind, ExpressionStatement node, ITypeBinding typeBinding, int relevance, String command, List<Object> commandArguments) {
-		super(cu, variableKind, node, typeBinding, relevance);
+		super(cu, variableKind, node, typeBinding, relevance, false);
 		this.command = command;
 		this.commandArguments = commandArguments;
 	}

diff --git a/...dt.ls.core/src/org/eclipse/jdt/ls/core/internal/text/correction/QuickAssistProcessor.java b/...dt.ls.core/src/org/eclipse/jdt/ls/core/internal/text/correction/QuickAssistProcessor.java
@@ -337,15 +337,15 @@ private static boolean getAssignParamToFieldProposals(IInvocationContext context
 					ASTNode fieldDeclFrag = root.findDeclaringNode(curr);
 					if (fieldDeclFrag instanceof VariableDeclarationFragment fragment) {
 						if (fragment.getInitializer() == null) {
-							AssignToVariableAssistProposalCore p = new AssignToVariableAssistProposalCore(context.getCompilationUnit(), paramDecl, fragment, typeBinding, IProposalRelevance.ASSIGN_PARAM_TO_EXISTING_FIELD);
+							AssignToVariableAssistProposalCore p = new AssignToVariableAssistProposalCore(context.getCompilationUnit(), paramDecl, fragment, typeBinding, IProposalRelevance.ASSIGN_PARAM_TO_EXISTING_FIELD, false);
 							resultingCollections.add(CodeActionHandler.wrap(p, JavaCodeActionKind.QUICK_ASSIST));
 						}
 					}
 				}
 			}
 		}
 
-		AssignToVariableAssistProposalCore fieldProposal = new AssignToVariableAssistProposalCore(context.getCompilationUnit(), paramDecl, null, typeBinding, IProposalRelevance.ASSIGN_PARAM_TO_NEW_FIELD);
+		AssignToVariableAssistProposalCore fieldProposal = new AssignToVariableAssistProposalCore(context.getCompilationUnit(), paramDecl, null, typeBinding, IProposalRelevance.ASSIGN_PARAM_TO_NEW_FIELD, false);
 		resultingCollections.add(CodeActionHandler.wrap(fieldProposal, JavaCodeActionKind.QUICK_ASSIST));
 		return true;
 	}
@@ -378,7 +378,7 @@ private static boolean getAssignAllParamsToFieldsProposals(IInvocationContext co
 			return true;
 		}
 
-		AssignToVariableAssistProposalCore fieldProposal = new AssignToVariableAssistProposalCore(context.getCompilationUnit(), parameters, IProposalRelevance.ASSIGN_ALL_PARAMS_TO_NEW_FIELDS);
+		AssignToVariableAssistProposalCore fieldProposal = new AssignToVariableAssistProposalCore(context.getCompilationUnit(), parameters, IProposalRelevance.ASSIGN_ALL_PARAMS_TO_NEW_FIELDS, false);
 		resultingCollections.add(CodeActionHandler.wrap(fieldProposal, JavaCodeActionKind.QUICK_ASSIST));
 		return true;
 	}

diff --git a/...ls.core/src/org/eclipse/jdt/ls/core/internal/text/correction/RefactorProposalUtility.java b/...ls.core/src/org/eclipse/jdt/ls/core/internal/text/correction/RefactorProposalUtility.java
@@ -512,7 +512,7 @@ public static ProposalKindWrapper getAssignVariableProposal(CodeActionParams par
 					Arrays.asList(ASSIGN_VARIABLE_COMMAND, params));
 			return CodeActionHandler.wrap(p, JavaCodeActionKind.REFACTOR_ASSIGN_VARIABLE);
 		} else {
-			AssignToVariableAssistProposalCore p = new AssignToVariableAssistProposalCore(cu, AssignToVariableAssistProposalCore.LOCAL, expressionStatement, typeBinding, relevance);
+			AssignToVariableAssistProposalCore p = new AssignToVariableAssistProposalCore(cu, AssignToVariableAssistProposalCore.LOCAL, expressionStatement, typeBinding, relevance, false);
 			return CodeActionHandler.wrap(p, JavaCodeActionKind.REFACTOR_ASSIGN_VARIABLE);
 		}
 	}
@@ -553,7 +553,7 @@ public static ProposalKindWrapper getAssignFieldProposal(CodeActionParams params
 						Arrays.asList(ASSIGN_FIELD_COMMAND, params));
 				return CodeActionHandler.wrap(proposal, JavaCodeActionKind.REFACTOR_ASSIGN_FIELD);
 			} else {
-				AssignToVariableAssistProposalCore proposal = new AssignToVariableAssistProposalCore(cu, AssignToVariableAssistProposalCore.FIELD, expressionStatement, typeBinding, relevance);
+				AssignToVariableAssistProposalCore proposal = new AssignToVariableAssistProposalCore(cu, AssignToVariableAssistProposalCore.FIELD, expressionStatement, typeBinding, relevance, false);
 				return CodeActionHandler.wrap(proposal, JavaCodeActionKind.REFACTOR_ASSIGN_FIELD);
 			}
 		}

diff --git a/org.eclipse.jdt.ls.target/org.eclipse.jdt.ls.tp.target b/org.eclipse.jdt.ls.target/org.eclipse.jdt.ls.tp.target
@@ -25,7 +25,7 @@
             <unit id="org.mockito.mockito-core" version="0.0.0"/>
             <unit id="org.apache.commons.commons-io" version="0.0.0"/>
             <unit id="org.eclipse.jdt.apt.pluggable.core" version="0.0.0"/>
-            <repository location="https://download.eclipse.org/eclipse/updates/4.31/"/>
+            <repository location="https://download.eclipse.org/eclipse/updates/4.32-I-builds/I20240325-1800/"/>
         </location>
         <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
             <unit id="org.eclipse.jdt.core.compiler.batch" version="0.0.0"/>

diff --git a/org.eclipse.jdt.ls.tests/fakejdk/22/rtstubs.jar b/org.eclipse.jdt.ls.tests/fakejdk/22/rtstubs.jar
diff --git a/org.eclipse.jdt.ls.tests/projects/eclipse/java22/.classpath b/org.eclipse.jdt.ls.tests/projects/eclipse/java22/.classpath
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-22">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" path="src/main/java"/>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>
diff --git a/org.eclipse.jdt.ls.tests/projects/eclipse/java22/.project b/org.eclipse.jdt.ls.tests/projects/eclipse/java22/.project
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>java22</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/org.eclipse.jdt.ls.tests/projects/eclipse/java22/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jdt.ls.tests/projects/eclipse/java22/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,16 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=22
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=22
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=enabled
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=disabled
+org.eclipse.jdt.core.compiler.source=22
+
diff --git a/org.eclipse.jdt.ls.tests/projects/eclipse/java22/src/main/java/UnnamedWithString.java b/org.eclipse.jdt.ls.tests/projects/eclipse/java22/src/main/java/UnnamedWithString.java
@@ -0,0 +1,7 @@
+String foo() {
+	return "foo";
+}
+
+void main() {
+	System.out.println(foo());
+}
diff --git a/org.eclipse.jdt.ls.tests/projects/eclipse/java22/src/main/java/foo/bar/Foo.java b/org.eclipse.jdt.ls.tests/projects/eclipse/java22/src/main/java/foo/bar/Foo.java
@@ -0,0 +1,11 @@
+package foo.bar;
+
+/**
+ * It's a Foo class
+ */
+public class Foo {
+	public Foo() {
+		System.out.println();
+		super();
+	}
+}
diff --git a/org.eclipse.jdt.ls.tests/projects/eclipse/java22/src/main/java/org/sample/Test.java b/org.eclipse.jdt.ls.tests/projects/eclipse/java22/src/main/java/org/sample/Test.java
@@ -0,0 +1,4 @@
+package org.sample;
+
+public class Test {
+}
diff --git a/org.eclipse.jdt.ls.tests/projects/maven/salut-java22/.classpath b/org.eclipse.jdt.ls.tests/projects/maven/salut-java22/.classpath
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" output="target/classes" path="src/main/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="test" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-22">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>
diff --git a/org.eclipse.jdt.ls.tests/projects/maven/salut-java22/.project b/org.eclipse.jdt.ls.tests/projects/maven/salut-java22/.project
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>salut-java22</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+	</natures>
+</projectDescription>
diff --git a/org.eclipse.jdt.ls.tests/projects/maven/salut-java22/.settings/org.eclipse.jdt.core.prefs b/org.eclipse.jdt.ls.tests/projects/maven/salut-java22/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,17 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=22
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=22
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=enabled
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
+org.eclipse.jdt.core.compiler.release=disabled
+org.eclipse.jdt.core.compiler.source=22
+
+
diff --git a/org.eclipse.jdt.ls.tests/projects/maven/salut-java22/.settings/org.eclipse.m2e.core.prefs b/org.eclipse.jdt.ls.tests/projects/maven/salut-java22/.settings/org.eclipse.m2e.core.prefs
@@ -0,0 +1,4 @@
+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1
diff --git a/org.eclipse.jdt.ls.tests/projects/maven/salut-java22/pom.xml b/org.eclipse.jdt.ls.tests/projects/maven/salut-java22/pom.xml
@@ -0,0 +1,26 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>foo.bar</groupId>
+	<artifactId>salut-java22</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<build>
+		<plugins>
+			<plugin>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>3.8.1</version>
+				<configuration>
+					<release>22</release>
+					<compilerArgument>--enable-preview</compilerArgument>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+	<dependencies>
+		<dependency>
+			<groupId>org.apache.commons</groupId>
+			<artifactId>commons-lang3</artifactId>
+			<version>3.5</version>
+		</dependency>
+	</dependencies>
+</project>
diff --git a/org.eclipse.jdt.ls.tests/projects/maven/salut-java22/src/main/java/org/sample/Bar.java b/org.eclipse.jdt.ls.tests/projects/maven/salut-java22/src/main/java/org/sample/Bar.java
@@ -0,0 +1,14 @@
+package org.sample;
+
+/**
+ * This is Bar
+ */
+public class Bar {
+
+    public static void main(String[] args) {
+        Object foo = "x";
+        if (foo instanceof String str) {
+            System.out.println(str);
+        }
+    }
+}
diff --git a/...ests/src/org/eclipse/jdt/ls/core/internal/correction/ModifierCorrectionsQuickFixTest.java b/...ests/src/org/eclipse/jdt/ls/core/internal/correction/ModifierCorrectionsQuickFixTest.java
@@ -1203,11 +1203,9 @@ public void testClassExtendFinalClass() throws Exception {
 
 	@Test
 	public void testAddSealedMissingClassModifierProposal() throws Exception {
-		Map<String, String> options21 = new HashMap<>();
-		JavaModelUtil.setComplianceOptions(options21, JavaCore.VERSION_21);
-		options21.put(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED);
-		options21.put(JavaCore.COMPILER_PB_REPORT_PREVIEW_FEATURES, JavaCore.IGNORE);
-		fJProject.setOptions(options21);
+		Map<String, String> options17 = new HashMap<>();
+		JavaModelUtil.setComplianceOptions(options17, JavaCore.VERSION_17);
+		fJProject.setOptions(options17);
 		IPackageFragment pack1 = fSourceFolder.createPackageFragment("test", false, null);
 		assertNoErrors(fJProject.getResource());
 
@@ -1250,11 +1248,9 @@ public void testAddSealedMissingClassModifierProposal() throws Exception {
 
 	@Test
 	public void testAddSealedAsDirectSuperClass() throws Exception {
-		Map<String, String> options21 = new HashMap<>();
-		JavaModelUtil.setComplianceOptions(options21, JavaCore.VERSION_21);
-		options21.put(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED);
-		options21.put(JavaCore.COMPILER_PB_REPORT_PREVIEW_FEATURES, JavaCore.IGNORE);
-		fJProject.setOptions(options21);
+		Map<String, String> options17 = new HashMap<>();
+		JavaModelUtil.setComplianceOptions(options17, JavaCore.VERSION_17);
+		fJProject.setOptions(options17);
 		IPackageFragment pack1 = fSourceFolder.createPackageFragment("test", false, null);
 		assertNoErrors(fJProject.getResource());
 
@@ -1279,11 +1275,9 @@ public void testAddSealedAsDirectSuperClass() throws Exception {
 
 	@Test
 	public void testAddPermitsToDirectSuperClass() throws Exception {
-		Map<String, String> options21 = new HashMap<>();
-		JavaModelUtil.setComplianceOptions(options21, JavaCore.VERSION_21);
-		options21.put(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED);
-		options21.put(JavaCore.COMPILER_PB_REPORT_PREVIEW_FEATURES, JavaCore.IGNORE);
-		fJProject.setOptions(options21);
+		Map<String, String> options17 = new HashMap<>();
+		JavaModelUtil.setComplianceOptions(options17, JavaCore.VERSION_17);
+		fJProject.setOptions(options17);
 		IPackageFragment pack1 = fSourceFolder.createPackageFragment("test", false, null);
 		assertNoErrors(fJProject.getResource());
 

diff --git a/...ls.tests/src/org/eclipse/jdt/ls/core/internal/correction/UnresolvedTypesQuickFixTest.java b/...ls.tests/src/org/eclipse/jdt/ls/core/internal/correction/UnresolvedTypesQuickFixTest.java
@@ -1492,11 +1492,9 @@ public void testDontImportTestClassesInMainCode() throws Exception {
 
 	@Test
 	public void testTypeInSealedTypeDeclaration() throws Exception {
-		Map<String, String> options21 = new HashMap<>();
-		JavaModelUtil.setComplianceOptions(options21, JavaCore.VERSION_21);
-		options21.put(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED);
-		options21.put(JavaCore.COMPILER_PB_REPORT_PREVIEW_FEATURES, JavaCore.IGNORE);
-		fJProject1.setOptions(options21);
+		Map<String, String> options17 = new HashMap<>();
+		JavaModelUtil.setComplianceOptions(options17, JavaCore.VERSION_17);
+		fJProject1.setOptions(options17);
 
 		IPackageFragment pack1 = fSourceFolder.createPackageFragment("test1", false, null);
 		StringBuilder buf = new StringBuilder();

diff --git a/...dt.ls.tests/src/org/eclipse/jdt/ls/core/internal/managers/EclipseProjectImporterTest.java b/...dt.ls.tests/src/org/eclipse/jdt/ls/core/internal/managers/EclipseProjectImporterTest.java
@@ -191,7 +191,7 @@ public void testPreviewFeatures16() throws Exception {
 
 	@Test
 	public void testPreviewFeaturesDisabledByDefault() throws Exception {
-		String name = "java21";
+		String name = "java22";
 		importProjects("eclipse/" + name);
 		IProject project = getProject(name);
 		assertIsJavaProject(project);

diff --git a/....ls.tests/src/org/eclipse/jdt/ls/core/internal/managers/InvisibleProjectImporterTest.java b/....ls.tests/src/org/eclipse/jdt/ls/core/internal/managers/InvisibleProjectImporterTest.java
@@ -204,7 +204,7 @@ public void getPackageName() throws Exception {
 	public void testPreviewFeaturesEnabledByDefault() throws Exception {
 		String defaultJVM = JavaRuntime.getDefaultVMInstall().getId();
 		try {
-			TestVMType.setTestJREAsDefault("21");
+			TestVMType.setTestJREAsDefault("22");
 			IProject invisibleProject = copyAndImportFolder("singlefile/java14", "foo/bar/Foo.java");
 			assertTrue(invisibleProject.exists());
 			assertNoErrors(invisibleProject);

diff --git a/....jdt.ls.tests/src/org/eclipse/jdt/ls/core/internal/managers/MavenProjectImporterTest.java b/....jdt.ls.tests/src/org/eclipse/jdt/ls/core/internal/managers/MavenProjectImporterTest.java
@@ -359,6 +359,17 @@ public void testJava21Project() throws Exception {
 		IJavaProject javaProject = JavaCore.create(project);
 		assertEquals(JavaCore.ENABLED, javaProject.getOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, false));
 		assertEquals(JavaCore.IGNORE, javaProject.getOption(JavaCore.COMPILER_PB_REPORT_PREVIEW_FEATURES, false));
+		assertHasErrors(project, "Preview features enabled at an invalid source release level");
+	}
+
+	@Test
+	public void testJava22Project() throws Exception {
+		IProject project = importMavenProject("salut-java22");
+		assertIsJavaProject(project);
+		assertEquals("22", getJavaSourceLevel(project));
+		IJavaProject javaProject = JavaCore.create(project);
+		assertEquals(JavaCore.ENABLED, javaProject.getOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, false));
+		assertEquals(JavaCore.IGNORE, javaProject.getOption(JavaCore.COMPILER_PB_REPORT_PREVIEW_FEATURES, false));
 		assertNoErrors(project);
 	}