Article ID: 117530, created on Sep 27, 2013, last review on Sep 16, 2015

  • Applies to:
  • Operations Automation 5.5
  • Business Automation


A big list export to Excel (using the Export To Excel link) fails with the following error:

"Server is temporarily closed for maintenance"

In the Apache error log, /var/log/httpd/error_log, you see these records:

[error] failed to parse response XML packet
[error] [client X.X.X.X] Cannot read response from vzcpcon, referer: URL


The libxml2 version installed on the Parallels Business Automation - Enterprise (PBA-E) application server is incorrect.


Make sure that libxml2 is the correct version:

[root@hostname]# rpm -qa | grep libxml2

PBA-E 5.4 is shipped with libxml2-2.7.6-4.el6.x86_64 and PBA-E 5.5 is shipped with libxml2-2.7.6-12.el6_4.1.x86_64.rpm. An RPM downgrade is required.

After the RPM downgrade, restart the "www" container:

/etc/init.d/www restart

Also, restart the httpd service:

/etc/init.d/httpd restart

Search Words

failed to parse response XML packet


Server is temporarily closed for maintenance

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update os poa

Server is currently undergoing maintenance and upgrades by our technical support team.

Export To Excel

exporting to excel gives an error

Cannot read response from vzcpcon


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