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https://issues.apache.org/jira/browse/HADOOP-8810?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alejandro Abdelnur updated HADOOP-8810:
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Resolution: Not A Problem
Status: Resolved (was: Patch Available)
HADOOP-9117 took care of fixing this.
> when building with documentation build stops waiting for ENTER on terminal
> --------------------------------------------------------------------------
>
> Key: HADOOP-8810
> URL: https://issues.apache.org/jira/browse/HADOOP-8810
> Project: Hadoop Common
> Issue Type: Improvement
> Components: build
> Affects Versions: 2.0.3-alpha
> Reporter: Alejandro Abdelnur
> Assignee: Alejandro Abdelnur
> Fix For: 2.0.4-beta
>
> Attachments: HADOOP-8810.patch
>
>
> When building the docs {{mvn clean package -Pdocs -DskipTests site site:stage
> -DstagingDirectory=/tmp/hadoop-site}}, in OSX (and I've seen it a few times
> in Ubuntu as well), the build stops, if you press ENTER it continues. It
> happens twice.
> I've traced this down to the exec-maven-plugin invocation of protoc for
> hadoop-yarn-api module (and other YARN module I don't recall at the moment).
> jstacking the Maven process it seems the exec-maven-plugin has some locking
> issues consuming the STDOUT/STDERR of the process being executed.
> I've converted the protoc invocation in the hadoop-yarn-api to use the antrun
> plugin instead and then another module running protoc using exec-maven-puglin
> hang.
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