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From Rory O'Farrell <>
Subject AOO 4.2.0
Date Thu, 23 May 2019 08:24:57 GMT

I am using AOO 4.2.0 Rev 1859149 2019-05-12_15:10:46 Rev 1859151, running in Xubuntu 18.04.2
(latest updates)

When I start openoffice4 in a terminal, opening a blank Writer file gives:

SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See for further details.

The url in the error message tells:

Failed to load class org.slf4j.impl.StaticLoggerBinder
This warning message is reported when the org.slf4j.impl.StaticLoggerBinder class could not
be loaded into memory. This happens when no appropriate SLF4J binding could be found on the
class path. Placing one (and only one) of slf4j-nop.jar slf4j-simple.jar, slf4j-log4j12.jar,
slf4j-jdk14.jar or logback-classic.jar on the class path should solve the problem.

SINCE 1.6.0 As of SLF4J version 1.6, in the absence of a binding, SLF4J will default to a
no-operation (NOP) logger implementation.

If you are responsible for packaging an application and do not care about logging, then placing
slf4j-nop.jar on the class path of your application will get rid of this warning message.
Note that embedded components such as libraries or frameworks should not declare a dependency
on any SLF4J binding but only depend on slf4j-api. When a library declares a compile-time
dependency on a SLF4J binding, it imposes that binding on the end-user, thus negating SLF4J's


I should say that version works OK for large text editing (70k words) and preparation of Impress
presentations (100 slides, containing approx 200 illustrations, from which custom slideshow
of about 60 slides will be selected).

Rory O'Farrell <>

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