BAEL-3809: Ensure tables are dropped in proper order (#8640)

pom.xml

@@ -659,6 +659,7 @@
                 <module>spring-boot-mvc-2</module>
                 <module>spring-boot-nashorn</module>
                 <module>spring-boot-parent</module>
+                <module>spring-boot-performance</module>
                 <module>spring-boot-property-exp</module>
 
                 <module>spring-boot-rest</module>
@@ -1187,6 +1188,7 @@
                 <module>spring-boot-mvc-2</module>
                 <module>spring-boot-nashorn</module>
                 <module>spring-boot-parent</module>
+                <module>spring-boot-performance</module>
                 <module>spring-boot-property-exp</module>
 
                 <module>spring-boot-rest</module>

spring-boot-modules/pom.xml

@@ -22,7 +22,6 @@
         <!-- <module>spring-boot-gradle</module> --> <!-- Not a maven project -->
         <module>spring-boot-keycloak</module>
         <module>spring-boot-mvc-birt</module>
-        <module>spring-boot-performance</module>
         <module>spring-boot-properties</module>
         <module>spring-boot-springdoc</module>
         <module>spring-boot-testing</module>

spring-boot-performance/pom.xml

@@ -11,7 +11,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-boot-2</artifactId>
         <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../../parent-boot-2</relativePath>
+        <relativePath>../parent-boot-2</relativePath>
     </parent>
 
     <dependencies>

spring-security-modules/spring-security-mvc-boot/src/main/java/com/baeldung/models/Tweet.java

@@ -3,14 +3,17 @@ package com.baeldung.models;
 import java.util.HashSet;
 import java.util.Set;
 
+import javax.persistence.CollectionTable;
 import javax.persistence.ElementCollection;
 import javax.persistence.Entity;
 import javax.persistence.FetchType;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
+import javax.persistence.Table;
 
 @Entity
+@Table(name = "Tweet")
 public class Tweet {
     @Id
     @GeneratedValue(strategy = GenerationType.SEQUENCE)
@@ -18,7 +21,8 @@ public class Tweet {
     private String tweet;
     private String owner;
     @ElementCollection(targetClass = String.class, fetch = FetchType.EAGER)
-    private Set<String> likes = new HashSet();
+    @CollectionTable(name = "Tweet_Likes")
+    private Set<String> likes = new HashSet<>();
 
     public long getId() {
         return id;

spring-security-modules/spring-security-mvc-boot/src/test/java/com/baeldung/relationships/SpringDataWithSecurityIntegrationTest.java

@@ -1,29 +1,5 @@
 package com.baeldung.relationships;
 
-import static org.springframework.util.Assert.isTrue;
-
-import java.util.Date;
-import java.util.List;
-
-import javax.servlet.ServletContext;
-
-import org.junit.AfterClass;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.dao.InvalidDataAccessApiUsageException;
-import org.springframework.data.domain.Page;
-import org.springframework.data.domain.PageRequest;
-import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
-import org.springframework.security.core.Authentication;
-import org.springframework.security.core.context.SecurityContextHolder;
-import org.springframework.test.annotation.DirtiesContext;
-import org.springframework.test.context.ContextConfiguration;
-import org.springframework.test.context.junit4.SpringRunner;
-import org.springframework.test.context.web.WebAppConfiguration;
-import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
-
 import com.baeldung.AppConfig;
 import com.baeldung.data.repositories.TweetRepository;
 import com.baeldung.data.repositories.UserRepository;
@@ -31,6 +7,30 @@ import com.baeldung.models.AppUser;
 import com.baeldung.models.Tweet;
 import com.baeldung.security.AppUserPrincipal;
 import com.baeldung.util.DummyContentUtil;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.dao.InvalidDataAccessApiUsageException;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.jdbc.JdbcTestUtils;
+import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
+
+import javax.servlet.ServletContext;
+import java.util.Date;
+import java.util.List;
+
+import static org.springframework.util.Assert.isTrue;
 
 @RunWith(SpringRunner.class)
 @WebAppConfiguration
@@ -54,10 +54,22 @@ public class SpringDataWithSecurityIntegrationTest {
         tweetRepository.saveAll(DummyContentUtil.generateDummyTweets(appUsers));
     }
 
-    @AfterClass
-    public static void tearDown() {
-        tweetRepository.deleteAll();
-        userRepository.deleteAll();
+    /**
+     * This is to ensure the tables are dropped in proper order.
+     * After the Spring Boot 2.2.2 upgrade, DDL statements generated automatically try to drop Tweet table first.
+     * As a result we get org.h2.jdbc.JdbcSQLSyntaxErrorException because Tweet_Likes table depends on Tweet.
+     *
+     * @see <a href="https://stackoverflow.com/questions/59364212/integrationtest-isolation-fails-in-springboot-2-2-2-release-error-dopping-table">
+     * StackOverflow#59364212
+     * </a>
+     * @see <a href="https://stackoverflow.com/questions/59561551/hibernate-h2-specify-drop-table-order">
+     * StackOverflow#59561551
+     * </a>
+     */
+    @After
+    public void tearDown() {
+        JdbcTemplate jdbcTemplate = ctx.getBean(JdbcTemplate.class);
+        JdbcTestUtils.dropTables(jdbcTemplate, "Tweet_Likes", "Tweet");
     }
 
     @Test