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Classloading issue with slf4j and nattable [message #1853892] Thu, 21 July 2022 05:31 Go to next message
Eclipse UserFriend
Hello,

we have some class loading issues with slf4j required by nattable plugins and using eclipse rcp-4.24 as targetplatform.

The version of slf4j required by nattable is fixed to 1.7.2 in the Manifest file of org.eclipse.nebula.widgets.nattable.extension.glazedlists and org.eclipse.nebula.widgets.nattable.core whereas the version of slf4j-api is 1.7.30 in the pom.xml of these project.

This conflicts somehow with a minimum version of 1.7.25 required by org.apache.httpcomponents.client5.httpclient5 coming with rcp-4.24

Any chance that the version of slf4j could by adjusted in nattable?

Kind regards
Konstantin
Re: Classloading issue with slf4j and nattable [message #1853893 is a reply to message #1853892] Thu, 21 July 2022 06:07 Go to previous message
Eclipse UserFriend
The MANIFEST of nattable.core specifies a MINIMUM required version of 1.7.2, not fixed (which is actually different to maven dependencies) ... any newer version should work from the OSGi point of view. Only the upper boundary is missing.
The MANIFEST of httpclient5 specifies a MINIMUM of 1.7.25 and a upper boundary of 2 (which means all < 2).
The pom.xml of nattable.core has a depenency to 1.7.30, but that should not interfere with the other two configurations, as a 1.7.30 is bigger than 1.7.25 and lower than 2.

I do not see an issue in NatTable to be honest. Othewise the NatTable examples would also not work. Are you using plain Maven for building? Otherwise the pom.xml should not make any troubles.

How to reproduce the issue? I'm not against changing this, but I am not sure what I should change and how to make it work, as from the configuration as it is right now it should be already working.
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