SONAR-12117 Database requires downgrade : incorrect error message

server/sonar-server/src/main/java/org/sonar/server/platform/DatabaseServerCompatibility.java

@@ -45,7 +45,8 @@ public class DatabaseServerCompatibility implements Startable {
   public void start() {
     DatabaseVersion.Status status = version.getStatus();
     if (status == DatabaseVersion.Status.REQUIRES_DOWNGRADE) {
-      throw MessageException.of("Database was upgraded to a more recent of SonarQube. Backup must probably be restored or db settings are incorrect.");
+      throw MessageException.of("Database was upgraded to a more recent version of SonarQube. "
+        + "A backup must probably be restored or the DB settings are incorrect.");
     }
     if (status == DatabaseVersion.Status.REQUIRES_UPGRADE) {
       Optional<Long> currentVersion = this.version.getVersion();

server/sonar-server/src/test/java/org/sonar/server/platform/DatabaseServerCompatibilityTest.java

@@ -46,7 +46,8 @@ public class DatabaseServerCompatibilityTest {
   @Test
   public void fail_if_requires_downgrade() {
     thrown.expect(MessageException.class);
-    thrown.expectMessage("Database was upgraded to a more recent of SonarQube. Backup must probably be restored or db settings are incorrect.");
+    thrown.expectMessage("Database was upgraded to a more recent version of SonarQube. "
+      + "A backup must probably be restored or the DB settings are incorrect.");
 
     DatabaseVersion version = mock(DatabaseVersion.class);
     when(version.getStatus()).thenReturn(DatabaseVersion.Status.REQUIRES_DOWNGRADE);