Fixed NullPointerException in Database.checkpoint()

h2/src/docsrc/html/changelog.html

@@ -25,6 +25,7 @@ Change Log
     Previously, an exception was thrown (unlike other databases) if it was not the escape character, '_' or '%'.
     If the escape character appears at the end of the pattern, the result is  it is ignored (like PostgreSQL and MS SQL Server).
 </li><li>The reserve heap memory is no longer used.
+</li><li>Fixed NullPointerException in Database.checkpoint().
 </li></ul>
 
 <h2>Version 1.2.125 (2009-12-06)</h2>

h2/src/main/org/h2/engine/Database.java

@@ -2458,7 +2458,10 @@ public class Database implements DataHandler {
             if (pageStore != null) {
                 pageStore.checkpoint();
             }
-            getLog().checkpoint();
+            LogSystem log = getLog();
+            if (log != null) {
+                log.checkpoint();
+            }
         }
         getTempFileDeleter().deleteUnused();
     }