update links

persistence-modules/README.md

@@ -7,6 +7,5 @@
 - [Introduction to Hibernate Search](http://www.baeldung.com/hibernate-search)
 - [Bootstrapping Hibernate 5 with Spring](http://www.baeldung.com/hibernate-5-spring)
 - [Introduction to Lettuce – the Java Redis Client](http://www.baeldung.com/java-redis-lettuce)
-- [A Simple Tagging Implementation with JPA](http://www.baeldung.com/jpa-tagging)
 - [A Guide to Jdbi](http://www.baeldung.com/jdbi)
 - [Pessimistic Locking in JPA](http://www.baeldung.com/jpa-pessimistic-locking)

persistence-modules/spring-jpa/README.md

@@ -9,20 +9,15 @@
 - [The DAO with JPA and Spring](http://www.baeldung.com/spring-dao-jpa)
 - [JPA Pagination](http://www.baeldung.com/jpa-pagination)
 - [Sorting with JPA](http://www.baeldung.com/jpa-sort)
-- [Spring JPA – Multiple Databases](http://www.baeldung.com/spring-data-jpa-multiple-databases)
 - [Hibernate Second-Level Cache](http://www.baeldung.com/hibernate-second-level-cache)
 - [Spring, Hibernate and a JNDI Datasource](http://www.baeldung.com/spring-persistence-jpa-jndi-datasource)
 - [Deleting Objects with Hibernate](http://www.baeldung.com/delete-with-hibernate)
 - [Self-Contained Testing Using an In-Memory Database](http://www.baeldung.com/spring-jpa-test-in-memory-database)
-- [Spring Data JPA – Adding a Method in All Repositories](http://www.baeldung.com/spring-data-jpa-method-in-all-repositories)
 - [A Guide to Spring AbstractRoutingDatasource](http://www.baeldung.com/spring-abstract-routing-data-source)
-- [Advanced Tagging Implementation with JPA](http://www.baeldung.com/jpa-tagging-advanced)
 - [A Guide to Hibernate with Spring 4](http://www.baeldung.com/the-persistence-layer-with-spring-and-jpa)
 - [Testing REST with multiple MIME types](http://www.baeldung.com/testing-rest-api-with-multiple-media-types)
 - [Obtaining Auto-generated Keys in Spring JDBC](http://www.baeldung.com/spring-jdbc-autogenerated-keys)
 - [Transactions with Spring 4 and JPA](http://www.baeldung.com/transaction-configuration-with-jpa-and-spring)
-- [Spring Data JPA @Query](http://www.baeldung.com/spring-data-jpa-query)
-- [Spring Data Annotations](http://www.baeldung.com/spring-data-annotations)
 
 ### Eclipse Config 
 After importing the project into Eclipse, you may see the following error:  

spring-boot/README.MD

@@ -20,7 +20,6 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
 - [Spring Boot and Togglz Aspect](http://www.baeldung.com/spring-togglz)
 - [Getting Started with GraphQL and Spring Boot](http://www.baeldung.com/spring-graphql)
 - [Guide to Spring Type Conversions](http://www.baeldung.com/spring-type-conversions)
-- [Spring Data Java 8 Support](http://www.baeldung.com/spring-data-java-8)
 - [An Introduction to Kong](http://www.baeldung.com/kong)
 - [Spring Boot Customize Whitelabel Error Page](http://www.baeldung.com/spring-boot-custom-error-page)
 - [Spring Boot: Configuring a Main Class](http://www.baeldung.com/spring-boot-main-class)

spring-data-jpa/README.md

@@ -0,0 +1,22 @@
+=========
+
+## Spring Data JPA Example Project
+
+### Relevant Articles: 
+- [Spring JPA – Multiple Databases](http://www.baeldung.com/spring-data-jpa-multiple-databases)
+- [Spring Data JPA – Adding a Method in All Repositories](http://www.baeldung.com/spring-data-jpa-method-in-all-repositories)
+- [Advanced Tagging Implementation with JPA](http://www.baeldung.com/jpa-tagging-advanced)
+- [Spring Data JPA @Query](http://www.baeldung.com/spring-data-jpa-query)
+- [Spring Data Annotations](http://www.baeldung.com/spring-data-annotations)
+- [Spring Data Java 8 Support](http://www.baeldung.com/spring-data-java-8)
+- [A Simple Tagging Implementation with JPA](http://www.baeldung.com/jpa-tagging)
+
+### Eclipse Config 
+After importing the project into Eclipse, you may see the following error:  
+"No persistence xml file found in project"
+
+This can be ignored: 
+- Project -> Properties -> Java Persistance -> JPA -> Error/Warnings -> Select Ignore on "No persistence xml file found in project"
+Or: 
+- Eclipse -> Preferences - Validation - disable the "Build" execution of the JPA Validator 
+