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https://issues.apache.org/jira/browse/HADOOP-14380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15996725#comment-15996725
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Steve Loughran edited comment on HADOOP-14380 at 5/4/17 1:30 PM:
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FWIW, the min version hadoop-common builds against is 19.0, because of the move
from Objects to MoreObjects forced by the java 8 migration. Hadoop trunk is
java 8+, so 19.0+ it is. unless someone moves the toString() calls in
MetricsRegistry off Guava. Which isn't hard, and keeps guava brittleness down
{code}
[INFO] Finished at: 2017-05-04T14:24:17+01:00
[INFO] Final Memory: 106M/874M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on
project hadoop-common: Compilation failure: Compilation failure:
[ERROR]
/Users/stevel/Projects/hadoop-trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MetricsRegistry.java:[25,30]
cannot find symbol
[ERROR] symbol: class MoreObjects
[ERROR] location: package com.google.common.base
[ERROR]
/Users/stevel/Projects/hadoop-trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/MetricsTag.java:[21,30]
cannot find symbol
{code}
was (Author: [email protected]):
FWIW, the min version hadoop-common builds against is 18.0, because of the move
from Objects to MoreObjects forced by the java 8 migration. Hadoop trunk is
java 8+, so 18.0+ it is. unless someone moves the toString() calls in
MetricsRegistry off Guava. Which isn't hard, and keeps guava brittleness down
{code}
[INFO] Finished at: 2017-05-04T14:24:17+01:00
[INFO] Final Memory: 106M/874M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on
project hadoop-common: Compilation failure: Compilation failure:
[ERROR]
/Users/stevel/Projects/hadoop-trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/lib/MetricsRegistry.java:[25,30]
cannot find symbol
[ERROR] symbol: class MoreObjects
[ERROR] location: package com.google.common.base
[ERROR]
/Users/stevel/Projects/hadoop-trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/metrics2/MetricsTag.java:[21,30]
cannot find symbol
{code}
> Make Guava version Hadoop builds with configurable
> --------------------------------------------------
>
> Key: HADOOP-14380
> URL: https://issues.apache.org/jira/browse/HADOOP-14380
> Project: Hadoop Common
> Issue Type: Bug
> Components: build
> Affects Versions: 3.0.0-alpha3
> Reporter: Steve Loughran
> Assignee: Steve Loughran
>
> Make the choice of guava version Hadoop builds with configurable, so people
> building Hadoop 3 alphas can build with an older version and so cause less
> unhappiness downstream
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