"java.lang.ClassNotFoundException: No ClassLoaders found for: org.jboss.ejb.plugins.keygenerator.uuid.UUIDKeyGeneratorFactoryService" when starting JBoss due to path truncation

Issue

We get the following error when trying to start JBoss:

ERROR [MainDeployer] Could not create deployment: file:/opt/jboss-as/server/devdfeapp/deploy/uuid-key-generator.sar/
org.jboss.deployment.DeploymentException: No ClassLoaders found for: org.jboss.ejb.plugins.keygenerator.uuid.UUIDKeyGeneratorFactoryService; - nested throwable: (java.lang.ClassNotFoundException: No ClassLoaders found for: org.jboss.ejb.plugins.keygenerator.uuid.UUIDKeyGeneratorFactoryService)
...
Caused by: java.lang.ClassNotFoundException: No ClassLoaders found for: org.jboss.ejb.plugins.keygenerator.uuid.UUIDKeyGeneratorFactoryService