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https://issues.apache.org/jira/browse/NIFI-4661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16279106#comment-16279106
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ASF subversion and git services commented on NIFI-4661:
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Commit 1817225 from [~joewitt] in branch 'site/trunk'
[ https://svn.apache.org/r1817225 ]
added NIFI-4661 relevant include-grpc notes
> The nifi-grpc-bundle is built using externally access binaries which create
> build portability problems
> ------------------------------------------------------------------------------------------------------
>
> Key: NIFI-4661
> URL: https://issues.apache.org/jira/browse/NIFI-4661
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions, Tools and Build
> Reporter: Joseph Witt
> Assignee: Joseph Witt
> Fix For: 1.5.0
>
>
> It has been reported that nifi builds on powerpc environments were failing
> due to the nifi-grpc-bundle not being able to build in that environment. It
> turns out is because the grpc processors use some plugins that access some os
> specific binaries outside the normal process and for grpc it is not supported
> yet in the powerpc environment. No problem so we exclude them for that
> environment.
> Then, in upgrading to more recent versions of the plugin and grpc libraries
> the build stopped working in Centos6 environments because the grpc protocol
> buffers build plugin (protoc) requires GLIBC_2.14 or newer and Centos6 has
> GLIBC_2.12.
> Given the os and environment specific nature of this component I plan to move
> inclusion of building this module and inclusion of the nar to requiring
> explicit profile activation.
> If this PR is merged I will update the website/release build instructions to
> talk about this specifically so that it is included in the normal releases.
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