parsing dates in some gemspec files could fail with IllegalArgumentException: Invalid format

gem install barcode -v 0.2
ERROR: While executing gem ... (Gem::RemoteFetcher::FetchError)
bad response Server Error 500 (http://localhost:8083/nexus/repository/rubygems-all/gems/barcode-0.2.gem)

2017-02-10 13:21:37,231+0000 WARN [qtp40668963-374] *UNKNOWN org.sonatype.nexus.repository.httpbridge.internal.ViewServlet - Service failure
java.lang.IllegalArgumentException: Invalid format: "2005-07-13" is too short
at org.joda.time.format.DateTimeFormatter.parseDateTime(DateTimeFormatter.java:899) [na:na]
at org.joda.time.DateTime.parse(DateTime.java:160) [na:na]
at org.sonatype.nexus.repository.rubygems.marshal.RubyTime.from(RubyTime.java:121) [na:na]

########################### 
--- !ruby/object:Gem::Specification 
rubygems_version: 0.8.10 
specification_version: 1 
name: barcode 
version: !ruby/object:Gem::Version 
version: "0.2" 
date: 2005-07-13 
summary: Barcode classes. 
require_paths: 
- lib 
email: crnixon@gmail.com 
homepage: 
rubyforge_project: 
description: Simple classes for creating barcodes. 
autorequire: 
default_executable: 
bindir: bin 
has_rdoc: true 
required_ruby_version: !ruby/object:Gem::Version::Requirement 
requirements: 
- 
- ">" 
- !ruby/object:Gem::Version 
version: 0.0.0 
version: 
platform: ruby 
authors: 
- Clinton R. Nixon 
files: 
- lib/barcode/code39.rb 
test_files: [] 
rdoc_options: [] 
extra_rdoc_files: [] 
executables: [] 
extensions: [] 
requirements: [] 
dependencies: [] 
#################### 

gem install barcode -v 0.2
Fetching: barcode-0.2.gem (100%)
Successfully installed barcode-0.2
Parsing documentation for barcode-0.2
Installing ri documentation for barcode-0.2
Done installing documentation for barcode after 0 seconds
1 gem installed