Move exception checking before the SET CLUSTER calls

h2/src/main/org/h2/tools/CreateCluster.java

@@ -143,11 +143,6 @@ public class CreateCluster extends Tool {
             {
                 RunScript.execute(connTarget, pipeReader);
 
-                // set the cluster to the serverList on both databases
-                statSource.executeUpdate("SET CLUSTER '" + serverList + "'");
-                statTarget.executeUpdate("SET CLUSTER '" + serverList + "'");
-            }
-
                 // Check if the writer encountered any exception
                 try {
                     threadFuture.get();
@@ -157,6 +152,10 @@ public class CreateCluster extends Tool {
                     throw new SQLException(ex);
                 }
 
+                // set the cluster to the serverList on both databases
+                statSource.executeUpdate("SET CLUSTER '" + serverList + "'");
+                statTarget.executeUpdate("SET CLUSTER '" + serverList + "'");
+            }
         } catch (IOException ex) {
             throw new SQLException(ex);
         }