HSEARCH-5131 Remove usage and mentions of a security manager

backend/elasticsearch/src/main/java/org/hibernate/search/backend/elasticsearch/gson/impl/AbstractConfiguredExtraPropertiesJsonAdapterFactory.java

@@ -113,7 +113,7 @@ private static <T> Constructor<T> getConstructor(TypeToken<T> type) {
 		try {
 			return (Constructor<T>) type.getRawType().getConstructor();
 		}
-		catch (NoSuchMethodException | SecurityException e) {
+		catch (NoSuchMethodException e) {
 			throw new AssertionFailure( "Missing or inaccessible no-arg constructor on type " + type );
 		}
 	}

engine/src/main/java/org/hibernate/search/engine/environment/classpath/spi/ClassLoaderHelper.java

@@ -71,7 +71,7 @@ public static <T> T instanceFromName(Class<T> targetSuperType,
 	 * @return a new instance of classToLoad
 	 *
 	 * @throws SearchException wrapping other error types with a proper error message for all kind of problems, like
-	 * missing proper constructor, securitymanager errors.
+	 * missing proper constructor errors.
 	 */
 	public static <T> T untypedInstanceFromClass(final Class<T> classToLoad) {
 		try {
@@ -140,9 +140,6 @@ private static <T> T callNoArgConstructor(Class<T> classToLoad)
 			Constructor<T> constructor = classToLoad.getConstructor();
 			return constructor.newInstance();
 		}
-		catch (SecurityException e) {
-			throw log.securityManagerLoadingError( classToLoad, e.getMessage(), e );
-		}
 		catch (NoSuchMethodException e) {
 			throw log.noPublicNoArgConstructor( classToLoad );
 		}
@@ -158,9 +155,6 @@ private static <T> T callMapArgConstructor(Class<T> classToLoad, Map<String, Str
 			Constructor<T> singleMapConstructor = classToLoad.getConstructor( Map.class );
 			return singleMapConstructor.newInstance( constructorParameter );
 		}
-		catch (SecurityException e) {
-			throw log.securityManagerLoadingError( classToLoad, e.getMessage(), e );
-		}
 		catch (NoSuchMethodException e) {
 			throw log.noPublicMapArgConstructor( classToLoad );
 		}

engine/src/main/java/org/hibernate/search/engine/environment/thread/impl/EmbeddedThreadProvider.java

@@ -4,53 +4,13 @@
  */
 package org.hibernate.search.engine.environment.thread.impl;
 
-import java.lang.invoke.MethodHandles;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
 import java.util.concurrent.ThreadFactory;
-import java.util.function.Supplier;
 
 import org.hibernate.search.engine.environment.thread.spi.ThreadProvider;
-import org.hibernate.search.engine.logging.impl.Log;
-import org.hibernate.search.util.common.annotation.impl.SuppressForbiddenApis;
-import org.hibernate.search.util.common.logging.impl.LoggerFactory;
 
 public final class EmbeddedThreadProvider implements ThreadProvider {
 
-	private static final Log log = LoggerFactory.make( Log.class, MethodHandles.lookup() );
-
 	public static final String NAME = "embedded";
-	private static final Supplier<ThreadGroup> THREAD_GROUP_PROVIDER;
-
-	static {
-		Supplier<ThreadGroup> provider = null;
-		try {
-			// if the SM is loaded then it means it is still around and we'll try getting the thread group out of it if it is configured:
-			Class<?> smClass = Thread.currentThread().getContextClassLoader().loadClass( "java.lang.SecurityManager" );
-			Method getSecurityManager = System.class.getDeclaredMethod( "getSecurityManager" );
-			Method getThreadGroup = smClass.getDeclaredMethod( "getThreadGroup" );
-
-			provider = () -> {
-				Object sm;
-				try {
-					sm = getSecurityManager.invoke( null );
-					if ( sm != null ) {
-						return (ThreadGroup) getThreadGroup.invoke( sm );
-					}
-				}
-				catch (InvocationTargetException | IllegalAccessException e) {
-					// shouldn't really happen, but just in case:
-					throw log.securityManagerInvocationProblem( e.getMessage(), e );
-				}
-
-				return Thread.currentThread().getThreadGroup();
-			};
-		}
-		catch (ClassNotFoundException | NoSuchMethodException e) {
-			provider = () -> Thread.currentThread().getThreadGroup();
-		}
-		THREAD_GROUP_PROVIDER = provider;
-	}
 
 	private final String commonThreadNamePrefix;
 
@@ -68,12 +28,11 @@ public String createThreadName(String prefix, int threadNumber) {
 	}
 
 	@Override
-	@SuppressForbiddenApis(reason = "It's unclear how we will handle this without the security manager;"
-			+ " we'll see when the security manager actually gets removed from the JDK")
 	public ThreadFactory createThreadFactory(String prefix) {
-		ThreadGroup group = THREAD_GROUP_PROVIDER.get();
-		String namePrefix = createFullThreadNamePrefix( prefix );
-		return new SimpleThreadFactory( group, namePrefix );
+		return new SimpleThreadFactory(
+				Thread.currentThread().getThreadGroup(),
+				createFullThreadNamePrefix( prefix )
+		);
 	}
 
 	private String createFullThreadNamePrefix(String prefix) {

engine/src/main/java/org/hibernate/search/engine/logging/impl/Log.java

@@ -169,10 +169,6 @@ void newCollectedFailure(String process,
 	)
 	SearchException dslExtensionNoMatch(List<?> attemptedExtensions);
 
-	@Message(id = ID_OFFSET + 28, value = "Security manager does not allow access to the constructor of type '%1$s': %2$s")
-	SearchException securityManagerLoadingError(@FormatWith(ClassFormatter.class) Class<?> classToLoad,
-			String causeMessage, @Cause Exception cause);
-
 	@Message(id = ID_OFFSET + 30, value = "Unable to load class '%1$s': %2$s")
 	ClassLoadingException unableToLoadTheClass(String className, String causeMessage, @Cause Throwable cause);
 

mapper/orm/src/main/java/org/hibernate/search/mapper/orm/model/impl/HibernateOrmBootstrapIntrospector.java

@@ -10,7 +10,6 @@
 import java.lang.reflect.Field;
 import java.lang.reflect.Member;
 import java.lang.reflect.Method;
-import java.lang.reflect.Modifier;
 import java.util.HashMap;
 import java.util.LinkedHashSet;
 import java.util.Map;
@@ -152,17 +151,10 @@ private <T> HibernateOrmClassRawTypeModel<T> createClassTypeModel(Class<T> type)
 	}
 
 	private static void setAccessible(Member member) {
-		try {
-			// always try to set accessible to true regardless of visibility
-			// as it's faster even for public fields:
-			// it bypasses the security model checks at execution time.
-			( (AccessibleObject) member ).setAccessible( true );
-		}
-		catch (SecurityException se) {
-			if ( !Modifier.isPublic( member.getModifiers() ) ) {
-				throw se;
-			}
-		}
+		// always try to set accessible to true regardless of visibility
+		// as it's faster even for public fields:
+		// it bypasses the security model checks at execution time.
+		( (AccessibleObject) member ).setAccessible( true );
 	}
 
 	/**

mapper/pojo-standalone/src/main/java/org/hibernate/search/mapper/pojo/standalone/model/impl/StandalonePojoBootstrapIntrospector.java

@@ -8,7 +8,6 @@
 import java.lang.reflect.AccessibleObject;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Member;
-import java.lang.reflect.Modifier;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -92,16 +91,9 @@ private <T> PojoRawTypeModel<T> createTypeModel(Class<T> clazz) {
 	}
 
 	private static void setAccessible(Member member) {
-		try {
-			// always try to set accessible to true regardless of visibility
-			// as it's faster even for public fields:
-			// it bypasses the security model checks at execution time.
-			( (AccessibleObject) member ).setAccessible( true );
-		}
-		catch (SecurityException se) {
-			if ( !Modifier.isPublic( member.getModifiers() ) ) {
-				throw se;
-			}
-		}
+		// always try to set accessible to true regardless of visibility
+		// as it's faster even for public fields:
+		// it bypasses the security model checks at execution time.
+		( (AccessibleObject) member ).setAccessible( true );
 	}
 }