python2.6 + accountmanagerplugin + trac1.0.1 problem

[eldon_chang@…]

I installed my accountmanagerplugin and config like under

[account-manager]
allow_delete_account = false
db_htdigest_realm = Trac_Db
db_htpasswd_hash_type = sha
hash_method = HtPasswdHashMethod
password_store = SessionStore
user_lock_max_time = 0
verify_email = true

[components]
acct_mgr.admin.* = enabled
acct_mgr.admin.accountmanageradminpanel = enabled
acct_mgr.api.* = enabled
acct_mgr.db.sessionstore = enabled
acct_mgr.htfile.* = disabled
acct_mgr.http.* = disabled
acct_mgr.notification.* = enabled
acct_mgr.notification.accountchangelistener = disable
acct_mgr.pwhash.htdigesthashmethod = disabled
acct_mgr.pwhash.htpasswdhashmethod = enabled
acct_mgr.register.emailverificationmodule = disabled
acct_mgr.register.registrationmodule = enabled
acct_mgr.svnserve.svnservepasswordstore = disabled
acct_mgr.web_ui.* = enabled
acct_mgr.web_ui.accountmodule = enabled
acct_mgr.web_ui.emailverificationmodule = enabled
acct_mgr.web_ui.loginmodule = enabled
acct_mgr.web_ui.registrationmodule = enabled
acct_mgr.web_ui.resetpwstore = enabled
ticketext.* = enabled
trac.web.auth.loginmodule = disabled

but have error from my tracd console like under:

---

Exception happened during processing of request from ('192.168.0.219', 51229)
Traceback (most recent call last):
  File "/usr/lib/python2.6/SocketServer.py", line 570, in process_request_thread
    self.finish_request(request, client_address)
  File "/usr/lib/python2.6/SocketServer.py", line 332, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "/usr/lib/python2.6/SocketServer.py", line 628, in __init__
    self.finish()
  File "/usr/lib/python2.6/site-packages/Trac-1.0.1-py2.6.egg/trac/web/wsgi.py",
 line 196, in finish
    BaseHTTPRequestHandler.finish(self)
  File "/usr/lib/python2.6/SocketServer.py", line 671, in finish
    self.wfile.flush()
  File "/usr/lib/python2.6/socket.py", line 303, in flush
    self._sock.sendall(buffer(data, write_offset, buffer_size))
error: [Errno 32] Broken pipe