eclipse plugin does not build with 0.20.205
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Key: HADOOP-7726
URL: https://issues.apache.org/jira/browse/HADOOP-7726
Project: Hadoop Common
Issue Type: Bug
Components: contrib/eclipse-plugin
Affects Versions: 0.24.0
Environment: Fedora 15
Reporter: Tim Broberg
I'm new to hadoop, java, and eclipse, so please forgive me if I jumble multiple
issues together or mistake the symptoms of one problem for a separate issue.
Attempting to follow the build instructions from
http://wiki.apache.org/hadoop/EclipseEnvironment, the following commands are to
be executed:
1 - mvn test -DskipTests
2 - mvn eclipse:eclipse -DdownloadSources=true -DdownloadJavadocs=true
3 - cd hdfs; ant compile eclipse
4 - cd ../; cd mapreduce; ant compile eclipse
A - If "mvn test -DskipTests" is used for #1, #2 fails with "[ERROR] Failed to
execute goal on project hadoop-yarn-common: Could not resolve dependencies for
project org.apache.hadoop:hadoop-yarn-common:jar:0.24.0-SNAPSHOT:"
Per Luke Lu's suggestion, "mvn install -DskipTests -P-cbuild" instead of step
#1 cleared up this issue.
B - For steps #3, and #4 there are no hdfs or mapreduce subdirectories. These
appear to have been renamed "hadoop-hdfs-project" and
"hadoop-mapreduce-project".
C - For step #3, if I then go to hadoop-hdfs-project instead and perform "ant
compile eclipse" no build.xml file is found - "Buildfile: build.xml does not
exist!"
D - For step #4, if I go to hadoop-mapreduce-project and do "ant compile
eclipse" a set of errors much like #A is produced:
> [ivy:resolve] ::::::::::::::::::::::::::::::::::::::::::::::
> [ivy:resolve] :: UNRESOLVED DEPENDENCIES ::
> [ivy:resolve] ::::::::::::::::::::::::::::::::::::::::::::::
> [ivy:resolve] ::
> org.apache.hadoop#hadoop-yarn-server-common;0.24.0-SNAPSHOT: not found
> [ivy:resolve] ::
> org.apache.hadoop#hadoop-mapreduce-client-core;0.24.0-SNAPSHOT: not found
> [ivy:resolve] ::
> org.apache.hadoop#hadoop-yarn-common;0.24.0-SNAPSHOT: not found
> [ivy:resolve] ::::::::::::::::::::::::::::::::::::::::::::::
E - If I ignore these issues and import the projects generated in step #2, I
get a bunch of errors related to the lack of an M2_REPO definition. Adding this
variable needs to be included in the build scripts or documentation in the wiki.
F - Once that is resolved, eclipse shows hundreds of errors and warnings
starting with "AvroRecord" cannot be resolved to a type.
Thanks so much for your work on this, but it needs a little more effort in
documentation and/or development before it is usable again.
Thanks.
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