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Editorial Team
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Asked: 2026-05-26T19:41:54+00:00

Trying to setup plone2pdf in Plone 4. I have downloaded the Plone2pdf archive, extracted

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Trying to setup plone2pdf in Plone 4. I have downloaded the Plone2pdf archive, extracted it and placed it under the products directory of my instance. I have restarted the instance, by ./bin/instance fg.

Now, I can see the Plone2pdf in the available add-ons page. but, when I click on the activate button it throws an error as follows

2011-11-16 00:58:28 ERROR Zope.SiteErrorLog 1321385308.830.136673010237
http://10.20.254.20:8090/iopextech/portal_quickinstaller/installProducts
Traceback (innermost last):
Module ZPublisher.Publish, line 127, in publish
Module ZPublisher.mapply, line 77, in mapply
Module ZPublisher.Publish, line 47, in call_object
Module Products.CMFQuickInstallerTool.QuickInstallerTool, line 575, in installProducts
Module Products.CMFQuickInstallerTool.QuickInstallerTool, line 498, in installProduct
- __traceback_info__: ('Plone2Pdf',)
Module Products.ExternalMethod.ExternalMethod, line 234, in __call__
- __traceback_info__: ((<PloneSite at /iopextech>,), {'reinstall': False}, (False,))
Module /usr/local/Plone/test/products/Plone2Pdf/Extensions/Install.py, line 20, in install
Module Products.GenericSetup.tool, line 323, in runAllImportStepsFromProfile
- __traceback_info__: profile-Products.Plone2Pdf:default
Module Products.GenericSetup.tool, line 1080, in _runImportStepsFromContext
Module Products.GenericSetup.tool, line 994, in _doRunImportStep
- __traceback_info__: pdf-transforms-various
Module Products.Plone2Pdf.setuphandlers, line 34, in setupPortalTransforms
Module Products.Plone2Pdf.setuphandlers, line 21, in installPdfTransform
Module Products.PortalTransforms.TransformEngine, line 485, in manage_addTransform
Module Products.PortalTransforms.Transform, line 100, in __init__
Module Products.PortalTransforms.Transform, line 125, in _tr_init
- __traceback_info__: ('Products.Plone2Pdf.html_to_pdf',)
TransformException: Invalid transform : ITransform is not implemented byProducts.Plone2Pdf.html_to_pdf.html_to_pdf

The version of Plone2pdf is 0.4.3. What could be the problem ? is Plone2pdf compliant with Plone 4, because the Plone2pdf release which I downloaded was tested only with Plone 3. But the download page says, Use buildout to install if installing on Plone 3 or higher.

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1 Answer

  1. Editorial Team

    When you install an add-on product you should always first check the project page:

    http://plone.org/products/plone2pdf

    to verify any dependency or limitations. In this specific instance, the developer says that the product is compatible with Plone <= 3. In these case, unless you know exactly what you are doing and unless you are prepared for some debug, you should just find another product that is declared to be compatible with Plone 4. Btw installing product in the Products directory is an old way for installing product, take a look here a more up to date way.

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