If the transaction log could not be truncated because of an uncommitted…

If the transaction log could not be truncated because of an uncommitted transaction, now "Transaction log could not be truncated" is written to the .trace.db file.

h2/src/main/org/h2/store/PageStore.java

@@ -1459,7 +1459,7 @@ public class PageStore implements CacheWriter {
             }
             trace.info("Rolling back session #" +oldestSession.getId() + " (the oldest uncommitted)");
             oldestSession.rollback();
-            logSizeBase = newSize;
+            logSizeBase = log.getSize();
         }
     }