Address review comments.

Author: mp911de

src/main/java/org/springframework/data/repository/core/support/FragmentNotImplementedException.java

@@ -16,13 +16,14 @@
 package org.springframework.data.repository.core.support;
 
 /**
- * Exception thrown when a fragment remains with without an implementation during repository creation.
+ * Exception thrown during repository creation or repository method invocation when invoking a repository method on a
+ * fragment without an implementation.
  *
  * @author Mark Paluch
  * @since 2.5
  */
 @SuppressWarnings("serial")
-public class FragmentNotImplementedException extends RepositoryCreationException {
+public class FragmentNotImplementedException extends RepositoryException {
 
 	private final RepositoryFragment<?> fragment;
 

src/main/java/org/springframework/data/repository/core/support/MissingFragmentException.java renamed to src/main/java/org/springframework/data/repository/core/support/IncompleteRepositoryCompositionException.java

@@ -16,21 +16,22 @@
 package org.springframework.data.repository.core.support;
 
 /**
- * Exception thrown during repository creation when a fragment implementation is missing.
+ * Exception thrown during repository creation or repository method invocation when a the repository has custom methods
+ * that are not backed by a fragment or if no fragment could be found for a repository method invocation.
  *
  * @author Mark Paluch
  * @since 2.5
  */
 @SuppressWarnings("serial")
-public class MissingFragmentException extends RepositoryCreationException {
+public class IncompleteRepositoryCompositionException extends RepositoryException {
 
 	/**
-	 * Constructor for MissingFragmentException.
+	 * Constructor for IncompleteRepositoryCompositionException.
 	 *
 	 * @param msg the detail message.
 	 * @param repositoryInterface the repository interface.
 	 */
-	public MissingFragmentException(String msg, Class<?> repositoryInterface) {
+	public IncompleteRepositoryCompositionException(String msg, Class<?> repositoryInterface) {
 		super(msg, repositoryInterface);
 	}
 }

src/main/java/org/springframework/data/repository/core/support/RepositoryComposition.java

@@ -536,7 +536,8 @@ private RepositoryFragment<?> findImplementationFragment(Method key, Class<?> re
 			return stream().filter(it -> it.hasMethod(key)) //
 					.filter(it -> it.getImplementation().isPresent()) //
 					.findFirst()
-					.orElseThrow(() -> new MissingFragmentException(String.format("No fragment found for method %s", key),
+					.orElseThrow(() -> new IncompleteRepositoryCompositionException(
+							String.format("No fragment found for method %s", key),
 							repositoryInterface));
 		}
 

src/main/java/org/springframework/data/repository/core/support/RepositoryCreationException.java renamed to src/main/java/org/springframework/data/repository/core/support/RepositoryException.java

@@ -18,13 +18,13 @@
 import org.springframework.dao.InvalidDataAccessApiUsageException;
 
 /**
- * Exception thrown when the repository instance cannot be created.
+ * Exception thrown in the context of repository creation/invocation.
  *
  * @author Mark Paluch
  * @since 2.5
  */
 @SuppressWarnings("serial")
-public class RepositoryCreationException extends InvalidDataAccessApiUsageException {
+public class RepositoryException extends InvalidDataAccessApiUsageException {
 
 	private final Class<?> repositoryInterface;
 
@@ -34,7 +34,7 @@ public class RepositoryCreationException extends InvalidDataAccessApiUsageExcept
 	 * @param msg the detail message.
 	 * @param repositoryInterface the repository interface.
 	 */
-	public RepositoryCreationException(String msg, Class<?> repositoryInterface) {
+	public RepositoryException(String msg, Class<?> repositoryInterface) {
 		super(msg);
 		this.repositoryInterface = repositoryInterface;
 	}

src/main/java/org/springframework/data/repository/core/support/RepositoryFactorySupport.java

@@ -758,7 +758,7 @@ public static void validate(RepositoryComposition composition, Class<?> source,
 
 				if (composition.isEmpty()) {
 
-					throw new MissingFragmentException(
+					throw new IncompleteRepositoryCompositionException(
 							String.format("You have custom methods in %s but have not provided a custom implementation!",
 									org.springframework.util.ClassUtils.getQualifiedName(repositoryInterface)),
 							repositoryInterface);

src/main/java/org/springframework/data/repository/core/support/UnsupportedFragmentException.java

@@ -23,7 +23,7 @@
  * @since 2.5
  */
 @SuppressWarnings("serial")
-public class UnsupportedFragmentException extends RepositoryCreationException {
+public class UnsupportedFragmentException extends RepositoryException {
 
 	private final Class<?> fragmentInterface;