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AutoVue Stopped Working and Fails to Generate Server Logs, Staring Up from Command Shows Error: java.lang.NoClassDefFoundError: org/apache/log4j/Logger (Doc ID 2835192.1)

Last updated on FEBRUARY 25, 2022

Applies to:

Oracle AutoVue 3D Professional Advanced - Version 21.0.1 to 21.0.1 [Release 21.0]
Information in this document applies to any platform.


AutoVue Server is not running successfully.

When starting AutoVue server from Windows service, AutoVue server is not generating AutoVue server logs under %AutoVue_Home%\bin\Logs

When attempting to start up AutoVue server, it shows below error:


java.lang.NoClassDefFoundError: org/apache/log4j/Logger


The issue can be reproduced at will with the following steps:

  1. In the Control Panel select Administrative Tools > Services, and select the Oracle AutoVue Server service, and Start
  2. Do not see logs generated under: %AVS_home%\bin\Logs
  3. From the Services console, select Oracle AutoVue Server service and stop the service
  4. Launch command prompt, and run below from AutoVue_home\bin:
  5. Gets error in the command window


log4j.jar was removed from AutoVue installation directory


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