Fix: SQL Dialect (#213)

* Remove explicit SQL Dialect

* Add Hibernate Datatype to ensure compatibility with MySQL

* Update Commons-FileUpload Dependency

pom.xml

@@ -175,6 +175,18 @@
         <dependency>
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-openfeign</artifactId>
+            <exclusions>
+                <exclusion>
+                    <groupId>commons-fileupload</groupId>
+                    <artifactId>commons-fileupload</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <!-- Explicit inclusion because of CVE-2023-24998 -->
+        <dependency>
+            <groupId>commons-fileupload</groupId>
+            <artifactId>commons-fileupload</artifactId>
+            <version>1.5</version>
         </dependency>
         <dependency>
             <groupId>io.github.openfeign</groupId>

src/main/java/eu/europa/ec/dgc/gateway/entity/RevocationBatchEntity.java

@@ -28,13 +28,14 @@
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
 import jakarta.persistence.Index;
-import jakarta.persistence.Lob;
 import jakarta.persistence.Table;
 import java.time.ZonedDateTime;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
+import org.hibernate.annotations.JdbcType;
+import org.hibernate.type.descriptor.jdbc.LongVarcharJdbcType;
 
 @Getter
 @Setter
@@ -97,7 +98,7 @@ public class RevocationBatchEntity {
      * The Signed CMS with the batch.
      */
     @Column(name = "signed_batch", length = 1_024_000)
-    @Lob
+    @JdbcType(LongVarcharJdbcType.class)
     private String signedBatch;
 
     /**

src/main/java/eu/europa/ec/dgc/gateway/entity/ValuesetEntity.java

@@ -23,12 +23,13 @@
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.Id;
-import jakarta.persistence.Lob;
 import jakarta.persistence.Table;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
+import org.hibernate.annotations.JdbcType;
+import org.hibernate.type.descriptor.jdbc.LongVarcharJdbcType;
 
 @Getter
 @Setter
@@ -46,7 +47,7 @@ public class ValuesetEntity {
      * Signature of the TrustAnchor.
      */
     @Column(name = "json", nullable = false, length = 1024000)
-    @Lob
+    @JdbcType(LongVarcharJdbcType.class)
     String json;
 
 }

src/main/resources/application-h2.yml

@@ -6,4 +6,5 @@ spring:
     username: sa
     password: ''
   jpa:
-    database-platform: org.hibernate.dialect.H2Dialect
+    hibernate:
+      ddl-auto: none

src/main/resources/application-mysql.yml

@@ -5,5 +5,3 @@ spring:
     password: sa  # do not use this for production deployments
     driver-class-name: com.mysql.cj.jdbc.Driver
     jndi-name: false
-  jpa:
-    database-platform: org.hibernate.dialect.MySQL5InnoDBDialect

src/main/resources/application.yml

@@ -9,7 +9,6 @@ spring:
   datasource:
     jndi-name: jdbc/dgc
   jpa:
-    database-platform: org.hibernate.dialect.MySQL5InnoDBDialect
     hibernate:
       ddl-auto: validate
   liquibase: