Hi,

First, thanks a lot for reporting.

>    Exception in thread "main" java.lang.NoClassDefFoundError: 
> org/apache/log4j/Logger
[...]
> I already tried to solve the problem by installing liblog4j2-java but
> got the same error.

Nailed it :

$ davmail /etc/davmail.properties
Exception in thread "main" java.lang.NoClassDefFoundError:
org/apache/log4j/Logger
        at davmail.DavGateway.<clinit>(DavGateway.java:45)
Caused by: java.lang.ClassNotFoundException: org.apache.log4j.Logger
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 1 more
$ sudo apt install liblog4j1.2-java
$ davmail /etc/davmail.properties

We missed this because libmail-java brings in log4j in the classpath
but not the jar.

Alex

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