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HBASE-18849 expand "thirdparty" reference to give examples of setting netty location in common testing modules

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Michael Stack 2017-09-19 16:53:21 -07:00
parent 29a3ff3037
commit 58f9cd3586
1 changed files with 17 additions and 0 deletions
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src/main/asciidoc/_chapters/developer.adoc
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@ -2160,6 +2160,23 @@ this property on platforms that favor the bundled .so. See release notes on HBAS
for more. The complaint you see is something like the following:
`Cause: java.lang.RuntimeException: Failed construction of Master: class org.apache.hadoop.hbase.master.HMasterorg.apache.hadoop.hbase.shaded.io.netty.channel.epoll.`
If running unit tests and you run into the above message, add the system property
to your surefire configuration by doing like the below:
[source,xml]
----
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<systemPropertyVariables>
<org.apache.hadoop.hbase.shaded.io.netty.packagePrefix>org.apache.hadoop.hbase.shaded.</org.apache.hadoop.hbase.shaded.io.netty.packagePrefix>
</systemPropertyVariables>
</configuration>
</plugin>
----
Again the trailing period in the value above is intended.
The `hbase-thirdparty` project has groupid of `org.apache.hbase.thirdparty`.
As of this writing, it provides three jars; one for netty with an artifactid of
`hbase-thirdparty-netty`, one for protobuf at `hbase-thirdparty-protobuf` and then