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Posted to dev@avro.apache.org by "Martin Kleppmann (JIRA)" <ji...@apache.org> on 2014/05/23 10:40:01 UTC
[jira] [Updated] (AVRO-1499) Ruby 2+ Writes Invalid avro files
using the avro gem
[ https://issues.apache.org/jira/browse/AVRO-1499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Martin Kleppmann updated AVRO-1499:
-----------------------------------
Fix Version/s: 1.7.7
> Ruby 2+ Writes Invalid avro files using the avro gem
> ----------------------------------------------------
>
> Key: AVRO-1499
> URL: https://issues.apache.org/jira/browse/AVRO-1499
> Project: Avro
> Issue Type: Bug
> Components: ruby
> Affects Versions: 1.7.5, 1.7.7
> Reporter: Michael Ries
> Labels: ruby
> Fix For: 1.7.7
>
>
> The rubygem writes corrupted avro files under ruby 2.0.0 and ruby 2.1.1. It appears to work correctly under jruby-1.7.10 and ruby 1.9.3.
> Here is a reproducible:
> ```ruby
> require 'avro'
>
> data = [
> {"guid"=>"144045de-eb44-dd1b-d9af-6c8b5d41a96e", "user_guid"=>"0cd41235-5c14-eae9-00ed-c6eb11dd9119", "name"=>"My Awesome Bank", "created_at"=>1390617818, "updated_at"=>1398180288, "deleted_at"=>nil},
> {"guid"=>"51e06057-14d2-7527-81fa-b07dba0a263b", "user_guid"=>"0cd41235-5c14-eae9-00ed-c6eb11dd9119", "name"=>"Student Loans R' Us", "created_at"=>1386178342, "updated_at"=>1398180286, "deleted_at"=>nil},
> {"guid"=>"b4d1d99f-4351-d0e7-221c-a3fae08716bc", "user_guid"=>"0cd41235-5c14-eae9-00ed-c6eb11dd9119", "name"=>"My Awesome Bank", "created_at"=>1390617026, "updated_at"=>1398180288, "deleted_at"=>nil},
> {"guid"=>"084638fa-a78d-bbdd-e075-7c9c957a9b46", "user_guid"=>"0cd41235-5c14-eae9-00ed-c6eb11dd9119", "name"=>"My Awesome Bank", "created_at"=>1390617138, "updated_at"=>1398180288, "deleted_at"=>nil},
> {"guid"=>"79287c76-4e8f-0a21-7569-a2bcdc2b2f4d", "user_guid"=>"0cd41235-5c14-eae9-00ed-c6eb11dd9119", "name"=>"My Awesome Bank", "created_at"=>1390617135, "updated_at"=>1398180288, "deleted_at"=>nil},
> {"guid"=>"3bcc26b2-7d3b-6c4d-cb27-4eb1574b3c20", "user_guid"=>"0cd41235-5c14-eae9-00ed-c6eb11dd9119", "name"=>"Cayman Islands Bank", "created_at"=>1386902345, "updated_at"=>1398180288, "deleted_at"=>nil},
> {"guid"=>"75e1e56c-7611-4030-d002-afa2af70e5a1", "user_guid"=>"0cd41235-5c14-eae9-00ed-c6eb11dd9119", "name"=>"My Awesome Bank", "created_at"=>1390617427, "updated_at"=>1398180288, "deleted_at"=>nil},
> ]
>
> member_schema = <<-SCHEMA
> {"namespace": "md.data_logs",
> "type": "record",
> "name": "Member",
> "fields": [
> {"name": "guid", "type": "string"},
> {"name": "user_guid", "type": "string"},
> {"name": "name", "type": ["string","null"]},
> {"name": "created_at", "type":"long"},
> {"name": "updated_at", "type":"long"},
> {"name": "deleted_at", "type":["long","null"]}
> ]
> }
> SCHEMA
> filepath = "./members.avro"
> File.unlink(filepath) if File.exists?(filepath)
>
> Avro::DataFile.open(filepath, "w", member_schema) do |dw|
> data.each do |entry|
> dw << entry
> end
> end
>
>
> entries = []
> Avro::DataFile.open(filepath, "r") do |reader|
> reader.each do |entry|
> entries << entry
> end
> end
>
> puts "Here is the data I wrote into the file:"
> data.each{|e| p e }
> print "\n\n\n\n"
>
> puts "Here is the data I read from the file:"
> entries.each{|e| p e }
> ```
> Under ruby 2+ it fails with the message "undefined method 'unpack' for nil:NilClass (NoMethodError)". I have also tested that the rubygem can correctly read avro files written by the java client, but the java client fails to read files written by the ruby client, so the issue is definitely in how the rubygem is trying to write the binary file.
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