我在創建租戶之前嘗試連接OpenStack。它在「openstack-client-3.2.1.jar」中給出從OpenStackClient.request()
。OpenStack在連接時拋出NullPointerException
的代碼和堆棧跟蹤開始的時候是如下:
UsernamePassword usernamePassword = new UsernamePassword(userA,passA)
com.woorea.openstack.keystone.model.Access access =
keystone
.tokens()
.authenticate(usernamePassword)
.execute();
的堆棧跟蹤是:
[java] java.lang.NullPointerException
[java] at com.woorea.openstack.base.client.OpenStackClient.request(OpenStackClient.java:51)
[java] at com.woorea.openstack.base.client.OpenStackClient.execute(OpenStackClient.java:66)
[java] at com.woorea.openstack.base.client.OpenStackRequest.execute(OpenStackRequest.java:98)
[java] at vep.openstack.OpenStackConnector.addUser(OpenStackConnector.java:624)
我查看包的源文件並從堆棧跟蹤,執行com.woorea.openstack.base.client.OpenStackClient中的第51行時發生異常: 'return connector.request(request);' 類型'OpenStackClientConnector連接器'的變量'connector'可能不會被初始化,然後我可能需要這樣做。 參考jar的源代碼[http://grepcode.com/file/repo1.maven.org/maven2/com.woorea/openstack-client/3.2.1/com/woorea/openstack/base/client/OpenStackClient。 java#OpenStackClient.execute%28com.woorea.openstack.base.client.OpenStackRequest%29] – copycat 2014-09-19 16:24:25