Systemd does not write to StandardOutput with java program

I have this service file to start my Java application [Unit] Description=StorageWebServer [Service] WorkingDirectory=/opt/StorageWebServer ExecStart=/opt/java/openjdk/jdk-16.0.2/bin/java -jar /opt/StorageWebServer/StorageWebServer.jar User=jvmapps Type=simple Restart=on-failure RestartSec=10 StandardOutput=file:/opt/log.log StandardError=file:/opt/log2.log [Install] WantedBy=multi-user.target

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