TX tests failed with "Unable to start a new txn on URI"

2013-04-16 06:12:25,324 [0x57fb3f0] DEBUG (HttpClient               :114 ) - connected to TM on localhost:8080 URI=http://localhost:8080/rest-tx/tx/transaction-manager
2013-04-16 06:12:25,484 [0x57fb3f0] DEBUG (HttpClient               :74  ) - connect to localhost:8080 ok
2013-04-16 06:12:25,491 [0x57fb3f0] DEBUG (HttpClient               :99  ) - POST http://localhost:8080/rest-tx/tx/transaction-manager HTTP/1.1

2013-04-16 06:12:25,495 [0x57fb3f0] DEBUG (HttpClient               :99  ) - Host: localhost

2013-04-16 06:12:25,498 [0x57fb3f0] DEBUG (HttpClient               :99  ) - Content-Length: 13

2013-04-16 06:12:25,500 [0x57fb3f0] DEBUG (HttpClient               :99  ) - Content-Type: application/x-www-form-urlencoded

2013-04-16 06:12:25,505 [0x57fb3f0] DEBUG (HttpClient               :148 ) - timeout=-1000
2013-04-16 06:12:25,508 [0x57fb3f0] DEBUG (HttpClient               :158 ) - buf size is 4096
2013-04-16 06:12:27,023 [0x57fb3f0] DEBUG (HttpClient               :162 ) - receive 241 bytes
2013-04-16 06:12:27,028 [0x57fb3f0] DEBUG (HttpClient               :165 ) - HTTP/1.1 404 Not Found
Content-Length: 145
Connection: keep-alive
Content-Type: text/html

Could not find resource for relative : /rest-tx/tx/transaction-manager of full path: http://localhosthttp/rest-tx/rest-tx/tx/transaction-manager?
2013-04-16 06:12:27,049 [0x57fb3f0] DEBUG (HttpClient               :194 ) - HTTP/1.1 404 Not Found