What's the status of moving it forward? Is it a ton of work / too much to
do quickly?

On Wed, May 23, 2018 at 9:11 AM Andrew Pilloud <apill...@google.com> wrote:

> To loop the list in on discussions going on in
> https://github.com/apache/beam/pull/5443: our normal tests don't run
> against the shaded jars. Gradle can run the tests against the shaded jars,
> but a bunch fail due to dependency issues. It's not just SQL.
>
> Andrew
>
> On Mon, May 21, 2018 at 11:35 AM Lukasz Cwik <lc...@google.com> wrote:
>
>> Shading requires two pieces of information:
>> 1) Which dependencies should be part of the shaded jar (controlled by
>> includes/excludes)
>> 2) How to relocate code within those dependencies (controlled by
>> relocations)
>>
>> The reason why the exclude(".*") exists is because typically it is an
>> error to produce a shaded package with dependencies which are not
>> relocated. When libraries do this, it causes a lot of
>> NoClassFound/NoMethodFound errors for users since a user can't know which
>> version of a dependency they are actually getting (the one that was bundled
>> part of your jar or the one they depend on as a library). Only applications
>> should ever really do this, libraries should always repackage all their
>> code to prevent such errors.
>>
>> Note that in the SQL package, you can provide your own shadowClosure to
>> the applyJavaNature() which means that the default won't apply. For
>> example:
>> https://github.com/apache/beam/blob/a3ba6a0e8de3ae72b8fc6fc6038eb9dc725f092e/sdks/java/harness/build.gradle#L20
>> and remove the 'DEFAULT_SHADOW_CLOSURE <<'
>>
>>
>> On Mon, May 21, 2018 at 10:26 AM Andrew Pilloud <apill...@google.com>
>> wrote:
>>
>>> The issue SQL is seeing is caused by a default dependency of
>>> exclude(".*") added in build_rules.gradle. This breaks the normal method of
>>> building shadow jars as everything must be explicitly included. SQL
>>> explicitly added calcite to the jar, but not calcite's dependencies. I've
>>> been told this is the desired behavior as we want to ensure everything
>>> included is relocated.
>>>
>>> I don't know much about gradle, but this seems fragile. Is it possible
>>> to have all dependencies automatically relocated so we don't need the
>>> exclude(".*") rule?
>>>
>>> Andrew
>>>
>>> On Thu, May 17, 2018 at 7:41 PM Andrew Pilloud <apill...@google.com>
>>> wrote:
>>>
>>>> Yep, I added the issue as a blocker.
>>>> https://issues.apache.org/jira/projects/BEAM/issues/BEAM-4357
>>>>
>>>> On Thu, May 17, 2018, 6:05 PM Kenneth Knowles <k...@google.com> wrote:
>>>>
>>>>> This sounds like a release blocker. Can you add it to the list?
>>>>> (Assign fix version on jira)
>>>>>
>>>>> Kenn
>>>>>
>>>>> On Thu, May 17, 2018, 17:30 Lukasz Cwik <lc...@google.com> wrote:
>>>>>
>>>>>> Typically we have a test block which uses a configuration that has
>>>>>> the shadow/shadowTest configurations on the classpath instead of the
>>>>>> compile/testCompile configurations. The most common examples are 
>>>>>> validates
>>>>>> runner/integration tests for example:
>>>>>>
>>>>>> https://github.com/apache/beam/blob/0c5ebc449554a02cae5e4fd01afb07ecdb0bbaea/runners/direct-java/build.gradle#L84
>>>>>>
>>>>>> On Thu, May 17, 2018 at 3:59 PM Andrew Pilloud <apill...@google.com>
>>>>>> wrote:
>>>>>>
>>>>>>> I decided to try our new JDBC support with sqlline and discovered
>>>>>>> that our SQL shaded jar is completely broken. As
>>>>>>> in java.lang.NoClassDefFoundError all over the place. How are we testing
>>>>>>> the output jars from other beam packages? Is there an example I can 
>>>>>>> follow
>>>>>>> to make our integration tests run against the release artifacts?
>>>>>>>
>>>>>>> Andrew
>>>>>>>
>>>>>>

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