Enable 'types' compatibility

server/Dockerfile

@@ -15,4 +15,4 @@ COPY --from=builder /var/app/zally-server/build/libs/zally-server.jar /
 
 EXPOSE 8080
 
-CMD java -jar /zally-server.jar
+CMD java -Dbind-type=true -jar /zally-server.jar

server/build.gradle.kts

@@ -49,7 +49,7 @@ subprojects {
         includeCompileClasspath = false
     }
 
-    tasks.withType<KotlinCompile>().configureEach() {
+    tasks.withType<KotlinCompile>().configureEach {
         kotlinOptions.jvmTarget = "17"
     }
 
@@ -186,6 +186,7 @@ subprojects {
     tasks.test {
         useJUnitPlatform()
         finalizedBy(tasks.jacocoTestReport)
+        systemProperty("bind-type", "true")
     }
 
     tasks.jacocoTestReport {

server/zally-ruleset-zalando/src/test/kotlin/org/zalando/zally/ruleset/zalando/CommonFieldTypesRuleTest.kt

@@ -108,6 +108,25 @@ class CommonFieldTypesRuleTest {
         assertThat(rule.checkTypesOfCommonFields(context)).isEmpty()
     }
 
+    @Test
+    fun `checkTypesOfCommonFields should not return any violations for openapi version with 'type' as array`() {
+        @Language("YAML")
+        val context =
+            DefaultContextFactory().getOpenApiContext(
+                """
+                openapi: 3.1.0
+                components:
+                  schemas:
+                    Pet:
+                      properties:
+                        id:
+                          type: string
+                """.trimIndent()
+            )
+
+        assertThat(rule.checkTypesOfCommonFields(context)).isEmpty()
+    }
+
     @Test
     fun `checkTypesOfCommonFields should return a violation for a specification with invalid common field in a schema`() {
         @Language("YAML")
@@ -262,7 +281,7 @@ class CommonFieldTypesRuleTest {
                 CustomId:
                   type: object
                   properties:
-                    id: 
+                    id:
                       type: integer
                       format: int64
             """.trimIndent()

server/zally-server/build.gradle.kts

@@ -47,6 +47,10 @@ dependencies {
     testImplementation("org.mockito:mockito-core:4.11.0")
 }
 
+tasks.withType<JavaExec> {
+    systemProperty("bind-type", "true")
+}
+
 tasks.bootRun {
     jvmArgs = listOf("-Dspring.profiles.active=dev")
 }