[SOLVED] Why this error ' - Read-only application cannot POST '

Why this error ' - Read-only application cannot POST '

Logcat:

12-05 23:37:01.721:W/System.err(534):  401:Authentication credentials  (https://dev.twitter.com/docs/auth) were missing or incorrect. Ensure that you have set valid     conumer key/secret, access token/secret, and the system clock in in sync.
12-05 23:37:01.721: W/System.err(534): 401:Authentication credentials (https://dev.twitter.com/docs/auth) were missing or incorrect. Ensure that you have set valid conumer key/secret, access token/secret, and the system clock in in sync.
12-05 23:37:01.721: W/System.err(534): error - Read-only application cannot POST
12-05 23:37:01.721: W/System.err(534): request - /1/statuses/update.json

Though i can read the screen name by (getScreenName() function) and set read,write permission to my twitter application , it gives the above logcat.And i am using twitter4j jar file.

Solution

Login in your app: http://dev.twitter.com/apps
In the Settings tab, change the Application type to Read, Write and Access direct messages
In the Reset keys tab, press the Reset button, update the consumer key and secret in your application accordingly.

It looks like that resetting the keys force the change to your application type to take effect.