Upgrade from alfresco community 3.2 to 3.4a

[phillip1337]

Hey

I am trying to upgrade our installation to 3.4a. Regarding to http://wiki.alfresco.com/wiki/General_Upgrade_Process I have to install the new version on the same machine. I choose different ports used the embedded mysql instance and so on.
But when the installer starts I get every  freakin time the following error no matter how I choose ports, mysql configuration etc:

Tomcat Port Configuration

Please enter the Tomcat configuration parameters you wish to use.

Web Server domain: [127.0.0.1]:   

Tomcat Server Port: [8080]: 

Tomcat Shutdown Port: [8005]: 

Tomcat SSL Port [8443]: 

Tomcat AJP Port: [8009]: 

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Alfresco FTP Port

The integrated Alfresco FTP server was unable to bind to the default port. Please check if you have enough permissions, or choose an alternative port number.

Port: [21]: 28

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Alfresco RMI Port

Alfresco uses port 50500 to execute remote commands. It seems this port is being taken by another application. Please choose an alternative port number.

Port: [50500]: 50504

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Please give a password to use for the Alfresco administrator account.

Admin Password :
Repeat Password :
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Alfresco SharePoint Port

Alfresco uses port 7070 for the SharePoint protocol It seems this port is being taken by another application. Please choose an alternative port number.

Port: [7070]: 7373

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Quickr Content Services

Quickr Server [localhost]: 

Port [6060]: 

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Install as a service

You can optionally register Alfresco Community as a service. This way it will automatically be started every time the machine is started.

Install Alfresco Community as a service? [Y/n]: n


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OpenOffice Server Port

Please enter the port that the Openoffice Server will listen to by default.

OpenOffice Server port [8100]: 

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Setup is now ready to begin installing Alfresco Community on your computer.

Do you want to continue? [Y/n]: 

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Please wait while Setup installs Alfresco Community on your computer.

 Installing
 0% ______________ 50% ______________ 100%
 
Error: There has been an error. A debug file has been created at:

/var/tmp/bitrock_debug_25277.xml

‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

The debug file doesn't help at all. It's a huge hash value. So any ideas what I am doing wrong?
We are using debian lenny x86

Regards

Phillip

[derek]

Well, that document attempts to guide people along the safest path from a documentation perspective.  Do you have another machine that you could use for testing?  Running a test upgrade on the same machine as your live machine (I'm assuming it's your live machine) is not ideal - the documentation can't mandate the use of a separate machine, but it makes sense to try the upgrade and test the server in an environment that actually matches your live server.  So, what alternatives to running the installer have you investigated?