Sean Busbey created HBASE-20750:
-----------------------------------
Summary: If shaded client artifacts are built without the
-Prelease flag, make sure they'll fail loudly if used
Key: HBASE-20750
URL: https://issues.apache.org/jira/browse/HBASE-20750
Project: HBase
Issue Type: Improvement
Components: build, shading
Affects Versions: 3.0.0, 2.1.0
Reporter: Sean Busbey
If someone builds the shaded jars and doesn't pass the {{-Prelease}} flag, we
get near-empty jars.
We should make sure that if they're loaded they fail loudly rather than as
no-ops as they are now.
On a Hadoop 3 cluster without YARN-7190, this results in the following
confusing result:
{code}
Busbey-MBA:hbase busbey$
./hbase-assembly/target/hbase-2.1.0-SNAPSHOT-client/bin/hbase version
HBase 1.2.6
Source code repository
file:///home/busbey/projects/hbase/hbase-assembly/target/hbase-1.2.6
revision=Unknown
Compiled by busbey on Mon May 29 02:25:32 CDT 2017
>From source with checksum 7e8ce83a648e252758e9dae1fbe779c9
{code}
On a cluster not impacted by YARN-7190 we'll jsut get a confusing class not
found exception.
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