How to Determine the Location of the Nexus 3 Data Directory

Determine Your Nexus 3 Data Directory From Install Files

Go to the install directory of Nexus created using the Nexus Installer program.

It should contain a directory ./bin/nexus.vmoptions. Inside the file look for the line containing -Dkaraf.data= . The value of this property is the Nexus data directory.

If the value is a relative path, then it is relative to the install directory, not the ./bin directory containing the vmoptions file. 

Determine Your Nexus 3 Data Directory From the Command Line

If Nexus is running, you can print the command line that started nexus from your active process list to determine your data directory.

ps -ef | grep NexusMain
20347 ttys000    0:25.28 /app/nexus3/nexus-3.0.0-b2016011501/.install4j/jre.bundle/Contents/Home/jre/bin/java -server -Dinstall4j.jvmDir=/app/nexus3/nexus-3.0.0-b2016011501/.install4j/jre.bundle/Contents/Home/jre -Dexe4j.moduleName=/app/nexus3/nexus-3.0.0-b2016011501/bin/nexus -Dinstall4j.launcherId=245 -Dinstall4j.swt=false -Di4jv=0 -Di4jv=0 -Di4jv=0 -Di4jv=0 -Di4jv=0 -Xms1200M -Xmx1200M -XX:+UnlockDiagnosticVMOptions -XX:+UnsyncloadClass -Djava.net.preferIPv4Stack=true -Dkaraf.home=. -Dkaraf.base=. -Dkaraf.etc=etc -Djava.util.logging.config.file=etc/java.util.logging.properties -Dkaraf.data=/app/nexus3/data -Djava.io.tmpdir=/app/nexus3/data/tmp -Dkaraf.startLocalConsole=false -Di4j.vpt=true -classpath /app/nexus3/nexus-3.0.0-b2016011501/.install4j/i4jruntime.jar:/app/nexus3/nexus-3.0.0-b2016011501/lib/boot/nexus-main.jar:/app/nexus3/nexus-3.0.0-b2016011501/lib/boot/org.apache.karaf.main-4.0.4.jar:/app/nexus3/nexus-3.0.0-b2016011501/lib/boot/org.osgi.core-6.0.0.jar:/app/nexus3/nexus-3.0.0-b2016011501/lib/boot/org.apache.karaf.diagnostic.boot-4.0.4.jar:/app/nexus3/nexus-3.0.0-b2016011501/lib/boot/org.apache.karaf.jaas.boot-4.0.4.jar com.install4j.runtime.launcher.UnixLauncher run 9d17dc87   org.sonatype.nexus.karaf.NexusMain

Look for the value of karaf.data. In the above example output we can see -Dkaraf.data=/app/nexus3/data so the location of the data directory is /app/nexus3/data.

Determine Your Nexus 3 Data Directory From the UI

Signin to Nexus as an Administrator. Navigate to Support -> System information. Find the section titled nexus-configuration. The value of the workingDirectory attribute is your data directory.

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