War Deployment - Log4j error

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War Deployment - Log4j error

Postby Gordon McLean » Fri Jun 05, 2020 12:35 pm

Hi
I am getting the following error when deploying a war can anyone explain why or how to fix it please

Code: Select all
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.UnsupportedClassVersionError: com/servoy/j2db/log4j/LoggingServletContainerInitializer : Unsupported major.minor version 52.0 (unable to load class com.servoy.j2db.log4j.LoggingServletContainerInitializer)
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Re: War Deployment - Log4j error

Postby jcompagner » Fri Jun 05, 2020 2:13 pm

What java are you using to run it?
it looks like you are running it against java 7 which is not supported anymore
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Re: War Deployment - Log4j error

Postby Gordon McLean » Fri Jun 05, 2020 3:03 pm

Thanks we were trying to get this working in Docker and found that the version we had was using 7 JRE 8 fixed the problem

Cheers
Gordon
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