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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11118) non environment variable solution for "IllegalAccessError: class com.google.protobuf.ZeroCopyLiteralByteString cannot access its superclass com.google.protobuf.LiteralByteString"
Date Thu, 12 Jun 2014 04:04:01 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11118?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14028801#comment-14028801
] 

Andrew Purtell commented on HBASE-11118:
----------------------------------------

bq.  Can we bring in the tests as well? 

It's more difficult than the sed based editing I used for the library, because the protobuf
for tests specify odd packages deliberately, and also want to test broken cases. Maybe we
can bring some over now and more later?

bq. How about placing it in it's own module to make this easier to undo down the road? hbase-protobuf?

We could, but any module depending on one will pull in the other, right? I think it makes
sense to put runtime, protos, and generated code into the same module. 

> non environment variable solution for "IllegalAccessError: class com.google.protobuf.ZeroCopyLiteralByteString
cannot access its superclass com.google.protobuf.LiteralByteString"
> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-11118
>                 URL: https://issues.apache.org/jira/browse/HBASE-11118
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.98.2
>            Reporter: André Kelpe
>            Assignee: Andrew Purtell
>            Priority: Blocker
>             Fix For: 0.99.0, 0.98.4
>
>         Attachments: HBASE-11118-0.98.patch.gz, HBASE-11118-trunk.patch.gz, shade_attempt.patch
>
>
> I am running into the problem described in https://issues.apache.org/jira/browse/HBASE-10304,
while trying to use a newer version within cascading.hbase (https://github.com/cascading/cascading.hbase).
> One of the features of cascading.hbase is that you can use it from lingual (http://www.cascading.org/projects/lingual/),
our SQL layer for hadoop. lingual has a notion of providers, which are fat jars that we pull
down dynamically at runtime. Those jars give users the ability to talk to any system or format
from SQL. They are added to the classpath  programmatically before we submit jobs to a hadoop
cluster.
> Since lingual does not know upfront , which providers are going to be used in a given
run, the HADOOP_CLASSPATH trick proposed in the JIRA above is really clunky and breaks the
ease of use we had before. No other provider requires this right now.
> It would be great to have a programmatical way to fix this, when using fat jars.



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