VFS Troubleshooting
Build Problems
org.apache.commons.lang.StringUtils missing when running Maven on Ubuntu
Some Maven goals like site:stage fail under Ubuntu 14.04 with
A required class was missing while executing
org.apache.maven.plugins:maven-site-plugin:3.4:stage: org/apache/commons/lang/StringUtils
This happens if you use the Ubuntu Maven package which misses the commons-lang dependency. You can either unpack a stand-alone Maven archive or use the following commands:
cd /usr/share/maven/lib sudo ln -s ../../java/commons-lang.jar .
Filesystem Problems
This page collects steps for various filesystems to check if access to the destination fails.
VfsProblemsFtp