Why command 'rhn-channel -L' fails with '<type 'exceptions.TypeError'>: Parse() argument 1 must be string or read-only buffer, not None.' ?

Solution Verified - Updated -

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 5.8 and later
  • rhn-channel

Issue

  • Execution of rhn-channel -L command fails with
<type 'exceptions.TypeError'>: Parse() argument 1 must be string or read-only buffer, not None

# rhn-channel -L
Username:
Password: 
Ein Fehler trat auf:
<type 'exceptions.TypeError'>
up2date 
Traceback (most recent call last):
  File "/usr/sbin/rhn-channel", line 176, in <module>
    main()
  File "/usr/sbin/rhn-channel", line 167, in main
    channels = get_available_channels(OPTIONS.user, OPTIONS.password)
  File "/usr/sbin/rhn-channel", line 106, in get_available_channels
    system_id = re.sub('^ID-', '', rpclib.xmlrpclib.loads(up2dateAuth.getSystemId())[0][0]['system_id'])
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1182, in loads
    p.feed(data)
  File "/usr/lib64/python2.6/xmlrpclib.py", line 601, in feed
    self._parser.Parse(data, 0)
<type 'exceptions.TypeError'>: Parse() argument 1 must be string or read-only buffer, not None

Resolution

  • The system is not registered with RHN Classic, to use rhn-channel -L make sure that system is registered only using RHN Classic.

Root Cause

  • The system is not registered with RHN Classic, to use rhn-channel -L make sure that system is registered only using RHN Classic.

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1 Comments

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JM Newbie 9 points
3 September 2015 4:51 PM

I have been tryng to install php 5.5 and it´s the most dificult that exist!!

My suscription is:

+-------------------------------------------+
Consumed Subscriptions
+-------------------------------------------+
Subscription Name: Red Hat Enterprise Linux Server, Standard (1-2 sockets) (Up to 1 guest)
Provides: Oracle Java (for RHEL Server)
Red Hat Software Collections Beta (for RHEL Server)
Red Hat Enterprise Linux Server
Red Hat Beta
SKU: RH0101594
Contract: 10709540
Account: 1106190
Serial: 1590098153858006549
Pool ID: 8a85f9814d9b4387014da1d0e5ac58cf
Provides Management: No
Active: True
Quantity Used: 1
Service Level: Standard
Service Type: L1-L3
Status Details: Subscription is current
Subscription Type: Standard
Starts: 05/27/2015
Ends: 05/27/2016
System Type: Virtual

When I run: rhn-channel -L
The answer is:

Traceback (most recent call last):
File "/usr/sbin/rhn-channel", line 215, in
main()
File "/usr/sbin/rhn-channel", line 202, in main
channels = get_available_channels(credentials.user, credentials.password)
File "/usr/sbin/rhn-channel", line 139, in get_available_channels
system_id = re.sub('^ID-', '', rpclib.xmlrpclib.loads(up2dateAuth.getSystemId())[0][0]['system_id'])
File "/usr/lib64/python2.6/xmlrpclib.py", line 1182, in loads
p.feed(data)
File "/usr/lib64/python2.6/xmlrpclib.py", line 601, in feed
self._parser.Parse(data, 0)
: Parse() argument 1 must be string or read-only buffer, not None