The database upgrade (to upgrade from H2 version 1.1.x) has been simplified. The…

The database upgrade (to upgrade from H2 version 1.1.x) has been simplified. The setting NO_UPGRADE is no longer supported, instead use the database URL jdbc:h2v1_1:

h2/src/main/org/h2/upgrade/DbUpgrade.java

@@ -108,6 +108,7 @@ public class DbUpgrade {
         String script = null;
         try {
             if (scriptInTempDir) {
+                new File(System.getProperty("java.io.tmpdir")).mkdirs();
                 script = File.createTempFile("h2dbmigration", "backup.sql").getAbsolutePath();
             } else {
                 script = name + ".script.sql";