Remove deprecated APIs scheduled for removal in v6

Resolves #4819

Author: fmbenhassine

spring-batch-core/src/main/java/org/springframework/batch/core/configuration/annotation/BatchRegistrar.java

@@ -111,11 +111,6 @@ private void registerJobRepository(BeanDefinitionRegistry registry, EnableBatchP
 			beanDefinitionBuilder.addPropertyReference("serializer", executionContextSerializerRef);
 		}
 
-		String lobHandlerRef = batchAnnotation.lobHandlerRef();
-		if (registry.containsBeanDefinition(lobHandlerRef)) {
-			beanDefinitionBuilder.addPropertyReference("lobHandler", lobHandlerRef);
-		}
-
 		String conversionServiceRef = batchAnnotation.conversionServiceRef();
 		if (registry.containsBeanDefinition(conversionServiceRef)) {
 			beanDefinitionBuilder.addPropertyReference("conversionService", conversionServiceRef);
@@ -178,11 +173,6 @@ private void registerJobExplorer(BeanDefinitionRegistry registry, EnableBatchPro
 			beanDefinitionBuilder.addPropertyReference("serializer", executionContextSerializerRef);
 		}
 
-		String lobHandlerRef = batchAnnotation.lobHandlerRef();
-		if (registry.containsBeanDefinition(lobHandlerRef)) {
-			beanDefinitionBuilder.addPropertyReference("lobHandler", lobHandlerRef);
-		}
-
 		String conversionServiceRef = batchAnnotation.conversionServiceRef();
 		if (registry.containsBeanDefinition(conversionServiceRef)) {
 			beanDefinitionBuilder.addPropertyReference("conversionService", conversionServiceRef);

spring-batch-core/src/main/java/org/springframework/batch/core/configuration/annotation/EnableBatchProcessing.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2024 the original author or authors.
+ * Copyright 2012-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -238,14 +238,6 @@
 	 */
 	String jobKeyGeneratorRef() default "jobKeyGenerator";
 
-	/**
-	 * The large object handler to use in job repository and job explorer.
-	 * @return the bean name of the lob handler to use. Defaults to {@literal lobHandler}.
-	 * @deprecated Since 5.2 with no replacement. Scheduled for removal in v6
-	 */
-	@Deprecated(since = "5.2.0", forRemoval = true)
-	String lobHandlerRef() default "lobHandler";
-
 	/**
 	 * The type of large objects.
 	 * @return the type of large objects.

spring-batch-core/src/main/java/org/springframework/batch/core/configuration/support/DefaultBatchConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2024 the original author or authors.
+ * Copyright 2012-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -67,8 +67,6 @@
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.jdbc.support.MetaDataAccessException;
 import org.springframework.jdbc.support.incrementer.DataFieldMaxValueIncrementer;
-import org.springframework.jdbc.support.lob.DefaultLobHandler;
-import org.springframework.jdbc.support.lob.LobHandler;
 import org.springframework.transaction.PlatformTransactionManager;
 import org.springframework.transaction.annotation.Isolation;
 
@@ -85,7 +83,8 @@
  * <li>a {@link JobLauncher} named "jobLauncher"</li>
  * <li>a {@link JobRegistry} named "jobRegistry"</li>
  * <li>a {@link JobOperator} named "JobOperator"</li>
- * <li>a {@link JobRegistryBeanPostProcessor} named "jobRegistryBeanPostProcessor"</li>
+ * <li>a {@link JobRegistrySmartInitializingSingleton} named
+ * "jobRegistrySmartInitializingSingleton"</li>
  * <li>a {@link org.springframework.batch.core.scope.StepScope} named "stepScope"</li>
  * <li>a {@link org.springframework.batch.core.scope.JobScope} named "jobScope"</li>
  * </ul>
@@ -137,7 +136,6 @@ public JobRepository jobRepository() throws BatchConfigurationException {
 			jobRepositoryFactoryBean.setSerializer(getExecutionContextSerializer());
 			jobRepositoryFactoryBean.setConversionService(getConversionService());
 			jobRepositoryFactoryBean.setJdbcOperations(getJdbcOperations());
-			jobRepositoryFactoryBean.setLobHandler(getLobHandler());
 			jobRepositoryFactoryBean.setCharset(getCharset());
 			jobRepositoryFactoryBean.setMaxVarCharLength(getMaxVarCharLength());
 			jobRepositoryFactoryBean.setIsolationLevelForCreateEnum(getIsolationLevelForCreate());
@@ -150,17 +148,6 @@ public JobRepository jobRepository() throws BatchConfigurationException {
 		}
 	}
 
-	/**
-	 * Define a job launcher.
-	 * @return a job launcher
-	 * @throws BatchConfigurationException if unable to configure the default job launcher
-	 * @deprecated Since 5.2. Use {@link #jobLauncher(JobRepository)} instead
-	 */
-	@Deprecated(forRemoval = true)
-	public JobLauncher jobLauncher() throws BatchConfigurationException {
-		return jobLauncher(jobRepository());
-	}
-
 	/**
 	 * Define a job launcher bean.
 	 * @param jobRepository the job repository
@@ -191,7 +178,6 @@ public JobExplorer jobExplorer() throws BatchConfigurationException {
 		jobExplorerFactoryBean.setJobKeyGenerator(getJobKeyGenerator());
 		jobExplorerFactoryBean.setCharset(getCharset());
 		jobExplorerFactoryBean.setTablePrefix(getTablePrefix());
-		jobExplorerFactoryBean.setLobHandler(getLobHandler());
 		jobExplorerFactoryBean.setConversionService(getConversionService());
 		jobExplorerFactoryBean.setSerializer(getExecutionContextSerializer());
 		try {
@@ -208,18 +194,6 @@ public JobRegistry jobRegistry() throws BatchConfigurationException {
 		return new MapJobRegistry();
 	}
 
-	/**
-	 * Define a job operator.
-	 * @return a job operator
-	 * @throws BatchConfigurationException if unable to configure the default job operator
-	 * @deprecated Since 5.2. Use
-	 * {@link #jobOperator(JobRepository, JobExplorer, JobRegistry, JobLauncher)} instead
-	 */
-	@Deprecated(forRemoval = true)
-	public JobOperator jobOperator() throws BatchConfigurationException {
-		return jobOperator(jobRepository(), jobExplorer(), jobRegistry(), jobLauncher());
-	}
-
 	/**
 	 * Define a job operator bean.
 	 * @param jobRepository a job repository
@@ -249,26 +223,6 @@ public JobOperator jobOperator(JobRepository jobRepository, JobExplorer jobExplo
 		}
 	}
 
-	/**
-	 * Defines a {@link JobRegistryBeanPostProcessor}.
-	 * @return a {@link JobRegistryBeanPostProcessor}
-	 * @throws BatchConfigurationException if unable to register the bean
-	 * @since 5.1
-	 * @deprecated Use {@link #jobRegistrySmartInitializingSingleton(JobRegistry)} instead
-	 */
-	@Deprecated(forRemoval = true)
-	public JobRegistryBeanPostProcessor jobRegistryBeanPostProcessor() throws BatchConfigurationException {
-		JobRegistryBeanPostProcessor jobRegistryBeanPostProcessor = new JobRegistryBeanPostProcessor();
-		jobRegistryBeanPostProcessor.setJobRegistry(jobRegistry());
-		try {
-			jobRegistryBeanPostProcessor.afterPropertiesSet();
-			return jobRegistryBeanPostProcessor;
-		}
-		catch (Exception e) {
-			throw new BatchConfigurationException("Unable to configure the default job registry BeanPostProcessor", e);
-		}
-	}
-
 	/**
 	 * Define a {@link JobRegistrySmartInitializingSingleton} bean.
 	 * @param jobRegistry the job registry to populate
@@ -388,17 +342,6 @@ protected Charset getCharset() {
 		return StandardCharsets.UTF_8;
 	}
 
-	/**
-	 * A special handler for large objects. The default is usually fine, except for some
-	 * (usually older) versions of Oracle.
-	 * @return the {@link LobHandler} to use
-	 * @deprecated Since 5.2 with no replacement. Scheduled for removal in v6
-	 */
-	@Deprecated(since = "5.2.0", forRemoval = true)
-	protected LobHandler getLobHandler() {
-		return new DefaultLobHandler();
-	}
-
 	/**
 	 * Return the {@link JdbcOperations}. If this property is not overridden, a new
 	 * {@link JdbcTemplate} will be created for the configured data source by default.

spring-batch-core/src/main/java/org/springframework/batch/core/configuration/support/JobRegistryBeanPostProcessor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2024 the original author or authors.
+ * Copyright 2024-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -42,9 +42,6 @@
  * {@link JobRegistry}. Include a bean of this type along with your job configuration and
  * use the same {@link JobRegistry} as a {@link JobLocator} when you need to locate a
  * {@link Job} to launch.
- * <p>
- * This class is an alternative to {@link JobRegistryBeanPostProcessor} and prevents early
- * bean initializations. You must include at most one of either of them as a bean.
  *
  * @author Henning Pöttker
  * @since 5.1.1

spring-batch-core/src/main/java/org/springframework/batch/core/configuration/support/JobRegistrySmartInitializingSingleton.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2022 the original author or authors.
+ * Copyright 2006-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -77,8 +77,6 @@ protected void doParse(Element element, ParserContext parserContext, BeanDefinit
 
 		String maxVarCharLength = element.getAttribute("max-varchar-length");
 
-		String lobHandler = element.getAttribute("lob-handler");
-
 		String serializer = element.getAttribute("serializer");
 
 		String conversionService = element.getAttribute("conversion-service");
@@ -97,9 +95,6 @@ protected void doParse(Element element, ParserContext parserContext, BeanDefinit
 		if (StringUtils.hasText(tablePrefix)) {
 			builder.addPropertyValue("tablePrefix", tablePrefix);
 		}
-		if (StringUtils.hasText(lobHandler)) {
-			builder.addPropertyReference("lobHandler", lobHandler);
-		}
 		if (StringUtils.hasText(maxVarCharLength)) {
 			builder.addPropertyValue("maxVarCharLength", maxVarCharLength);
 		}