I'm sorry to be asking for so much. I think I really messed things up now.
I wanted to install the Mirage2 theme and tried to run Maven again but now
I'm getting this error that it's missing the class "slf4j". How do I fix
that?
dspace@lb9-media:~/dspace-6.0-release$ mvn package
Warning: JAVA_HOME environment variable is not set.
Exception in thread "main" java.lang.NoClassDefFoundError: org/slf4j/Logger
at java.lang.Class.getDeclaredMethods0(java.base@9-internal/Native
Method)
at java.lang.Class.privateGetDeclaredMethods(java.base@9-internal/
Class.java:2937)
at java.lang.Class.privateGetMethodRecursive(java.base@9-internal/
Class.java:3282)
at java.lang.Class.getMethod0(java.base@9-internal/Class.java:3252)
at java.lang.Class.getMethod(java.base@9-internal/Class.java:1961)
at org.codehaus.plexus.classworlds.launcher.Launcher.
getEnhancedMainMethod(Launcher.java
:172)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(
Launcher.java:268)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher
.java:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.
mainWithExitCode(Launcher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.
java:356)
Caused by: java.lang.ClassNotFoundException: org.slf4j.Logger
at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.
loadClass(SelfFirstStrateg y.
java:50)
at org.codehaus.plexus.classworlds.realm.ClassRealm.
unsynchronizedLoadClass(ClassRealm.j
ava:271)
at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(
ClassRealm.java:247)
at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(
ClassRealm.java:239)
... 10 more
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