Build against Eclipse SDK 4.33

Adjust to internals changes.
Adapt to ECJ no longer supporting targets below 1.8.

org.eclipse.m2e.apt.tests/projects/argumentMap/pom.xml

@@ -8,10 +8,9 @@
 		<plugins>
 			<plugin>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>2.4</version>
+				<version>3.13.0</version>
 				<configuration>
-					<source>1.6</source>
-					<target>1.6</target>
+					<release>11</release>
 					<compilerArgument>-AaddGeneratedAnnotation=true</compilerArgument>
 					<compilerArguments>
 						<AaddGeneratedAnnotation>false</AaddGeneratedAnnotation>

org.eclipse.m2e.apt.tests/projects/nonjar_plugin_deps/pom.xml

@@ -26,10 +26,9 @@
 			<plugins>
 				<plugin>
 					<artifactId>maven-compiler-plugin</artifactId>
-					<version>3.1</version>
+					<version>3.13.0</version>
 					<configuration>
-						<source>1.6</source>
-						<target>1.6</target>
+						<release>11</release>
 					</configuration>
 					<dependencies>
 						<!-- Dummy dependency to trigger bug -->

org.eclipse.m2e.apt.tests/projects/p1/pom.xml

@@ -8,10 +8,12 @@
       <plugins>
         <plugin>
             <artifactId>maven-compiler-plugin</artifactId>
-            <version>2.3.2</version>
+            <version>3.13.0</version>
             <configuration>
-                <source>1.6</source>
-                <target>1.6</target>
+                <release>11</release>
+                <compilerArguments>
+                    <processor>org.hibernate.jpamodelgen.JPAMetaModelEntityProcessor</processor>
+                </compilerArguments>
             </configuration>
         </plugin>
       </plugins>

org.eclipse.m2e.apt.tests/projects/p11/pom.xml

@@ -11,10 +11,9 @@
 		<plugins>
 			<plugin>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>3.5</version>
+				<version>3.13.0</version>
 				<configuration>
-					<source>1.6</source>
-					<target>1.6</target>
+					<release>11</release>
 					<annotationProcessorPaths>
 						<path>
 						  <groupId>org.hibernate</groupId>

org.eclipse.m2e.apt.tests/projects/p12/new-pom.xml

@@ -11,10 +11,9 @@
       <plugins>
         <plugin>
             <artifactId>maven-compiler-plugin</artifactId>
-            <version>2.3.2</version>
+            <version>3.13.0</version>
             <configuration>
-                <source>1.6</source>
-                <target>1.6</target>
+                <release>11</release>
             </configuration>
         </plugin>
       </plugins>

org.eclipse.m2e.apt.tests/projects/p12/pom.xml

@@ -11,10 +11,9 @@
 		<plugins>
 			<plugin>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>2.3.2</version>
+				<version>3.13.0</version>
 				<configuration>
-					<source>1.6</source>
-					<target>1.6</target>
+					<release>11</release>
 					<compilerArgument>-proc:none</compilerArgument>
 				</configuration>
 			</plugin>

org.eclipse.m2e.apt.tests/projects/p1_test_classpath_disabled/pom.xml

@@ -11,10 +11,9 @@
       <plugins>
         <plugin>
             <artifactId>maven-compiler-plugin</artifactId>
-            <version>2.3.2</version>
+            <version>3.13.0</version>
             <configuration>
-                <source>1.6</source>
-                <target>1.6</target>
+                <release>11</release>
             </configuration>
         </plugin>
       </plugins>

org.eclipse.m2e.apt.tests/projects/p2/pom.xml

@@ -8,10 +8,9 @@
       <plugins>
         <plugin>
             <artifactId>maven-compiler-plugin</artifactId>
-            <version>2.3.2</version>
+            <version>3.13.0</version>
             <configuration>
-                <source>1.6</source>
-                <target>1.6</target>
+                <release>11</release>
                 <generatedSourcesDirectory>target/generated-sources/m2e-apt/</generatedSourcesDirectory>
                 <generatedTestSourcesDirectory>target/generated-test-sources/m2e-apt/</generatedTestSourcesDirectory>
             </configuration>

org.eclipse.m2e.apt.tests/projects/p3/pom.xml

@@ -8,10 +8,9 @@
 		<plugins>
 			<plugin>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>2.3.2</version>
+				<version>3.13.0</version>
 				<configuration>
-					<source>1.6</source>
-					<target>1.6</target>
+					<release>11</release>
 					<compilerArgument>-proc:none</compilerArgument>
 				</configuration>
 			</plugin>

org.eclipse.m2e.apt.tests/projects/p8/pom.xml

@@ -11,10 +11,9 @@
 		<plugins>
 			<plugin>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>2.3.2</version>
+				<version>3.13.0</version>
 				<configuration>
-					<source>1.6</source>
-					<target>1.6</target>
+					<release>11</release>
 					<compilerArgument>-proc:none</compilerArgument>
 				</configuration>
 			</plugin>

org.eclipse.m2e.apt.tests/src/org/eclipse/m2e/apt/tests/M2eAptProjectconfiguratorTest.java

@@ -54,7 +54,7 @@ public class M2eAptProjectconfiguratorTest extends AbstractM2eAptProjectConfigur
 	public void testMavenCompilerPluginSupport() throws Exception {
 		// Note: this is the old default, in new plugin versions it is
 		// "target/generated-test-sources/test-annotations"
-		defaultTest("p1", COMPILER_OUTPUT_DIR, "target/generated-sources/test-annotations");
+		defaultTest("p1", COMPILER_OUTPUT_DIR, "target/generated-test-sources/test-annotations");
 	}
 
 	@Test

org.eclipse.m2e.jdt.tests/projects/compilerWarnings/pom.xml

@@ -13,7 +13,7 @@ https://maven.apache.org/xsd/maven-4.0.0.xsd">
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-compiler-plugin</artifactId>
-					<version>3.10.1</version>
+					<version>3.13.0</version>
 					<configuration>
 						<compilerArgs>
 							<compilerArg>-warn:-serial</compilerArg>

org.eclipse.m2e.jdt/META-INF/MANIFEST.MF

@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %Bundle-Name
 Bundle-SymbolicName: org.eclipse.m2e.jdt;singleton:=true
-Bundle-Version: 2.3.600.qualifier
+Bundle-Version: 2.3.601.qualifier
 Bundle-Localization: plugin
 Export-Package: org.eclipse.m2e.jdt,
  org.eclipse.m2e.jdt.internal;x-friends:="org.eclipse.m2e.jdt.ui",

org.eclipse.m2e.jdt/src/org/eclipse/m2e/jdt/internal/AbstractJavaProjectConfigurator.java

@@ -114,11 +114,8 @@ public abstract class AbstractJavaProjectConfigurator extends AbstractProjectCon
     List<String> sources = new ArrayList<>();
 
     List<String> targets = new ArrayList<>();
-    //Special case
-    targets.add("jsr14"); //$NON-NLS-1$
-    ENVIRONMENTS.put("jsr14", "J2SE-1.5"); //$NON-NLS-1$ //$NON-NLS-2$
 
-    List<String> releases = new ArrayList<>(List.of("6", "7", "8"));
+    List<String> releases = new ArrayList<>(List.of("8"));
 
     for(IExecutionEnvironment ee : JavaRuntime.getExecutionEnvironmentsManager().getExecutionEnvironments()) {
       String eeId = ee.getId();
@@ -144,7 +141,7 @@ public abstract class AbstractJavaProjectConfigurator extends AbstractProjectCon
     RELEASES = Collections.unmodifiableList(releases);
   }
 
-  protected static final String DEFAULT_COMPILER_LEVEL = "1.5"; //$NON-NLS-1$
+  protected static final String DEFAULT_COMPILER_LEVEL = "1.8"; //$NON-NLS-1$
 
   private static final QualifiedName LINKED_MAVEN_RESOURCE = new QualifiedName(MavenJdtPlugin.PLUGIN_ID,
       "linkedSource");

org.eclipse.m2e.jdt/src/org/eclipse/m2e/jdt/internal/JavaProjectConversionParticipant.java

@@ -74,13 +74,13 @@ public class JavaProjectConversionParticipant extends AbstractProjectConversionP
 
   private static final String DEFAULT_TEST_RESOURCES = "src/test/resources"; //$NON-NLS-1$
 
-  private static final String DEFAULT_JAVA_VERSION = "1.5"; //$NON-NLS-1$
+  private static final String DEFAULT_JAVA_VERSION = "1.8"; //$NON-NLS-1$
 
   private static final String COMPILER_GROUP_ID = "org.apache.maven.plugins"; //$NON-NLS-1$
 
   private static final String COMPILER_ARTIFACT_ID = "maven-compiler-plugin"; //$NON-NLS-1$
 
-  private static final String DEFAULT_COMPILER_VERSION = "3.8.1"; //$NON-NLS-1$
+  private static final String DEFAULT_COMPILER_VERSION = "3.13.0"; //$NON-NLS-1$
 
   private static final String TARGET_KEY = "target"; //$NON-NLS-1$
 

org.eclipse.m2e.pde.connector.tests/src/org/eclipse/m2e/pde/connector/tests/TychoConnectorTest.java

@@ -45,21 +45,23 @@
 import org.eclipse.m2e.tests.common.WorkspaceHelpers;
 import org.eclipse.pde.core.plugin.IPluginModelBase;
 import org.eclipse.pde.core.plugin.PluginRegistry;
-import org.eclipse.pde.internal.core.natures.PDE;
+import org.eclipse.pde.core.project.IBundleProjectDescription;
+import org.eclipse.pde.internal.core.natures.FeatureProject;
+import org.eclipse.pde.internal.core.natures.PluginProject;
 import org.junit.Assert;
 import org.junit.Ignore;
 import org.junit.Test;
 
 @SuppressWarnings("restriction")
 public class TychoConnectorTest extends AbstractMavenProjectTestCase {
 
-	static final Set<String> PLUGIN_NATURES = Set.of(PDE.PLUGIN_NATURE, JavaCore.NATURE_ID, IMavenConstants.NATURE_ID);
-	static final Set<String> PLUGIN_BUILDERS = Set.of(PDE.MANIFEST_BUILDER_ID, PDE.SCHEMA_BUILDER_ID,
+	static final Set<String> PLUGIN_NATURES = Set.of(IBundleProjectDescription.PLUGIN_NATURE, JavaCore.NATURE_ID, IMavenConstants.NATURE_ID);
+	static final Set<String> PLUGIN_BUILDERS = Set.of(PluginProject.MANIFEST_BUILDER_ID, PluginProject.SCHEMA_BUILDER_ID,
 			JavaCore.BUILDER_ID, IMavenConstants.BUILDER_ID);
-	static final Set<String> PLUGIN_WITH_DS_BUILDERS = Set.of(PDE.MANIFEST_BUILDER_ID, PDE.SCHEMA_BUILDER_ID,
+	static final Set<String> PLUGIN_WITH_DS_BUILDERS = Set.of(PluginProject.MANIFEST_BUILDER_ID, PluginProject.SCHEMA_BUILDER_ID,
 			"org.eclipse.pde.ds.core.builder", JavaCore.BUILDER_ID, IMavenConstants.BUILDER_ID);
-	static final Set<String> FEATURE_NATURES = Set.of(PDE.FEATURE_NATURE, IMavenConstants.NATURE_ID);
-	static final Set<String> FEATURE_BUILDERS = Set.of(PDE.FEATURE_BUILDER_ID, IMavenConstants.BUILDER_ID);
+	static final Set<String> FEATURE_NATURES = Set.of(FeatureProject.NATURE, IMavenConstants.NATURE_ID);
+	static final Set<String> FEATURE_BUILDERS = Set.of(FeatureProject.BUILDER_ID, IMavenConstants.BUILDER_ID);
 
 	// FIXME: requires the osgi.compatibility fragment.
 

org.eclipse.m2e.pde.connector/META-INF/MANIFEST.MF

@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: M2E PDE Connector
 Bundle-SymbolicName: org.eclipse.m2e.pde.connector;singleton:=true
-Bundle-Version: 2.1.601.qualifier
+Bundle-Version: 2.1.602.qualifier
 Automatic-Module-Name: org.eclipse.m2e.pde.connector
 Bundle-RequiredExecutionEnvironment: JavaSE-17
 Bundle-Vendor: Eclipse.org - m2e
@@ -12,7 +12,7 @@ Require-Bundle: org.eclipse.m2e.core;bundle-version="[2.0.0,3.0.0)",
  org.eclipse.core.runtime;bundle-version="[3.27.0,4.0.0)",
  org.eclipse.core.resources;bundle-version="3.16.0",
  org.eclipse.m2e.maven.runtime;bundle-version="[3.8.6,4.0.0)",
- org.eclipse.pde.core,
+ org.eclipse.pde.core;bundle-version="3.19.0",
  org.eclipse.jdt.core,
  org.eclipse.pde.ds.annotations
 Service-Component: OSGI-INF/org.eclipse.m2e.pde.connector.PDEBuildProjectFileResolver.xml

org.eclipse.m2e.pde.connector/src/org/eclipse/m2e/pde/connector/PDEProjectHelper.java

@@ -45,12 +45,12 @@
 import org.eclipse.pde.core.build.IBuildModel;
 import org.eclipse.pde.core.plugin.IPluginModelBase;
 import org.eclipse.pde.core.plugin.PluginRegistry;
-import org.eclipse.pde.internal.core.natures.PDE;
+import org.eclipse.pde.core.project.IBundleProjectDescription;
+import org.eclipse.pde.internal.core.natures.FeatureProject;
 
 public class PDEProjectHelper {
 
-	@SuppressWarnings("restriction")
-	private static final String PDE_PLUGIN_NATURE = org.eclipse.pde.internal.core.natures.PDE.PLUGIN_NATURE;
+	private static final String PDE_PLUGIN_NATURE = IBundleProjectDescription.PLUGIN_NATURE;
 
 	private static AtomicBoolean isListeningForPluginModelChanges = new AtomicBoolean(false);
 
@@ -115,8 +115,8 @@ static void configurePDEFeatureProject(IMavenProjectFacade projectFacade, IProgr
 		if (project != null) {
 			// see
 			// org.eclipse.pde.internal.ui.wizards.feature.AbstractCreateFeatureOperation
-			if (!project.hasNature(PDE.FEATURE_NATURE)) {
-				AbstractProjectConfigurator.addNature(project, PDE.FEATURE_NATURE, monitor);
+			if (!project.hasNature(FeatureProject.NATURE)) {
+				AbstractProjectConfigurator.addNature(project, FeatureProject.NATURE, monitor);
 			}
 		}
 	}

target-platform/target-platform.target

@@ -4,7 +4,7 @@
 	<targetJRE path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21"/>
 	<locations>
 		<location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
-			<repository location="https://download.eclipse.org/eclipse/updates/4.32/"/>
+			<repository location="https://download.eclipse.org/eclipse/updates/4.33/"/>
 			<unit id="org.eclipse.sdk.feature.group" version="0.0.0"/>
 			<unit id="org.eclipse.equinox.p2.discovery.feature.feature.group" version="0.0.0"/>
 			<unit id="org.eclipse.ui.tests.harness" version="0.0.0"/>