"no implicit conversion of nil into String" error when running AppWorker

Community Support
1

Hi all,

I am getting an error when trying to run AppWorker.

This is the guide I have followed on the installation.

My version of packages:

- yum info opennebula-common
Versión     : 4.12.0
- yum info qemu-img
Versión     : 1.5.3
- ruby --version
ruby 2.0.0p353 (2013-11-22) [x86_64-linux]
-  gem  --version
2.0.14

Gems get correctly installed

- bundle install
Using json 1.8.2
Using mini_portile 0.6.2
Using nokogiri 1.6.6.2
Using open4 1.3.4
Using uuidtools 2.1.5
Using bundler 1.8.5

User is correct:

appmarket-user show 5507ed4b9438225624000002  -u oneadmin -p oneadmin 
{
  "_id": {"$oid": "5507ed4b9438225624000002"},
  "username": "worker",
  "organization": "worker",
  "first_name": "worker",
  "last_name": "worker",
  "website": "worker",
  "email": "worker",
  "status": "enabled",
  "role": "worker",
  "catalogs": [

  ]
}

My AppMarket is running and recheable at : MY_IP:6242

And this is the content of appconverter-worker.conf (relevant values)

:username: worker
:password: worker
:repo: /var/tmp/appmarket-repo
:base_uri: http://MY_IP
:temp_dir: /var/tmp/appmarket-tempdir

Folders in /var/tmp are created and are accesible.

Python web server is up and running. When accessing my_ip:80,

python2 -m SimpleHTTPServer 80
Serving HTTP on 0.0.0.0 port 80 ...
172.17.0.183 - - [17/Mar/2015 18:30:47] "GET / HTTP/1.1" 200 -
172.17.0.183 - - [17/Mar/2015 18:30:47] code 404, message File not found
172.17.0.183 - - [17/Mar/2015 18:30:47] "GET /favicon.ico HTTP/1.1" 404 -

(which is fine)

Mongo is running too:

mongo
MongoDB shell version: 3.0.1

And starting the converter throws no error.

So I assume my installation is kind of correct, altough I get an error.

I am trying to import an OVA, generic_www.

This is my template:

id	
$oid	550856ac9438225c94000002
name	generic-www
short_description	Image for generic_www
tags	
0	Italy
1	vo.chain-project.eu
description	Generic virtual machine having apache web server
catalog	community
version	1.0
os-id	CentOS
hypervisor	KVM
os-release	Version 6.6
format	qcow2
os-arch	x86_64
source_type	ova
source	http://appliance-repo.egi.eu/images/chain-reds/generic_www.ova
opennebula_version	all
visits	0
downloads	0
logo	/img/logos/default.png
status	error
creation_time	1426609836
publisher	ciemat
links	
download	
href	MY_IP7: 6242/appliance/550856ac9438225c94000002/download

It seems to work for a while, but I get the following error

[root@one01 550826b694382271c9000002]# more stderr 
[TypeError] no implicit conversion of nil into String
["/usr/lib/one/ruby/appconverter/lib/appliance_handler.rb:197:in `join'", "/usr/lib/one/ruby/appconverter/lib/appliance_handler.rb:197
:in `block in register_files'", "/usr/lib/one/ruby/appconverter/lib/appliance_handler.rb:196:in `each'", "/usr/lib/one/ruby/appconvert
er/lib/appliance_handler.rb:196:in `register_files'", "/usr/lib/one/ruby/appconverter/drivers/upload:113:in `<main>'"]

There are tmp files in the appmarket tmp folder, so some work was performed.

 ls -lh  appmarket-tempdir/d20150317-17718-v80b8n:

-rw-r--r-- 1 root root 1,8G ene 30 16:40 generic_www-disk1.vmdk
-rw-r--r-- 1 root root  136 ene 30 16:40 generic_www.mf
-rw-r--r-- 1 root root 8,5K ene 30 16:40 generic_www.ovf

Have you got any clue on what’s going on?

Thanks for your help,

Manuel

EDIT: I have just realized that the template has format “qcow2” while the uncompressed OVA seems to be a vmdk. That may be the source of the problem, I guess… Just in case I am creating another template with that format to see what happens

2

Nope, having different formats for the template has no effect on the error. Any ideas?

3

Hi Manuel,

have you solved this issue? I have the same error and I don’t know how to continue.

Thanks,

Xavi.

4

Nop, still having it.

As a workaround, I stopped using the AppWorker. So if you can solve it
anyhow, please let me know!