Cannot create wordpress example

Version:
JBoss Deverloper Studio 7 Beta
OpenShift Plugin: 2.5.0.Beta2-v20130621-1052-B65
OpenShift Enterprise 1.2/2013-07-18.4

How reproducible:
always

Steps to Reproduce:
1. Create an app in the JBoss Deverloper Studio.
Name: mysqltest
Type: PHP 5.3(php-5.3)
Embeddable Cartridges: MySQL Database 5.1(mysql-5.1)
2. Click Advanced
Add Source Code:https://github.com/openshift/wordpress-example

Actual results:
When creating an app, check mysql cartridge and add source code together, it will fail, and return the following error:

Could not create application "a3"
Could not request https://broker.ose0717.com/broker/rest/domains/nwei/applications: The initial build for the application failed. Last 10 kB of build output:
httpd (no pid file) not running
Could not find mysql database.  Please run:
rhc cartridge add -a a3 -c mysql-5.1
then make a sample commit (add whitespace somewhere) and re-push
An error occurred executing 'gear postreceive'
For more details about the problem, try running the command again with the '--trace' option.

But if use rhc client, there is no such problem, it is created successfully.

1. rhc app create mysqltest1 php-5.3 mysql-5.1 --from-code=https://github.com/openshift/wordpress-example