org.apache.commons.io.IOUtils cannot be found when task runs as Job

Also tested this with:

var processDefinitionId = execution.getProcessDefinitionId();

var deploymentId = execution.getProcessEngineServices().getRepositoryService().getProcessDefinition(processDefinitionId).getDeploymentId();

var resource = execution.getProcessEngineServices().getRepositoryService().getResourceAsStream(deploymentId, 'content.txt');

var commonsIo = new JavaImporter(org.apache.commons.io.IOUtils);

with (commonsIo) {

   var String = Java.type("java.lang.String");

   var content = new String(IOUtils.toByteArray(resource), 'UTF-8');

};

and same issue