gh-3351 Fix - Postgres: Task Search is not working

Author: ghillert

spring-cloud-dataflow-server-core/src/main/java/org/springframework/cloud/dataflow/server/repository/TaskDefinitionRepository.java

@@ -19,13 +19,15 @@
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.repository.PagingAndSortingRepository;
+import org.springframework.transaction.annotation.Transactional;
 
 /**
  * Repository to access {@link TaskDefinition}s.
  *
  * @author Michael Minella
  * @author Gunnar Hillert
  */
+@Transactional
 public interface TaskDefinitionRepository extends PagingAndSortingRepository<TaskDefinition, String> {
 
 	Page<TaskDefinition> findByTaskNameContains(String taskName, Pageable pageable);