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https://issues.apache.org/jira/browse/TAJO-456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13858655#comment-13858655
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Jihoon Son commented on TAJO-456:
---------------------------------
Thanks!
+1. I successfully compiled using 'git apply', and the patch passed 'mvn
verify'.
Ship it!
> Separate tajo-jdbc and tajo-client from tajo-core-backend
> ---------------------------------------------------------
>
> Key: TAJO-456
> URL: https://issues.apache.org/jira/browse/TAJO-456
> Project: Tajo
> Issue Type: Improvement
> Components: build
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Fix For: 0.8-incubating
>
>
> Currently, tajo-client and tajo-jdbc are included in tajo-core-backend, which
> depends on lots of third-party libraries. So, even just client programs
> should include unnecessary third-party libraries. This patch separates
> tajo-jdbc and tajo-client from tajo-core-backend to individual maven modules.
> As a result, the client and jdbc's dependencies are more simplified than
> before.
> After this patch, 'mvn package \-Pdist' commands generates tajo jdbc drivers
> in $\{TAJO_HOME}/tajo-dist/target/tajo-$\{tajo.version}/share/jdbc-dist.
> There will be the following files in the directory:
> {noformat}
> joda-time-2.3.jar
> tajo-catalog-common-0.8.0-SNAPSHOT.jar
> tajo-client-0.8.0-SNAPSHOT.jar
> tajo-common-0.8.0-SNAPSHOT.jar
> tajo-jdbc-0.8.0-SNAPSHOT.jar
> tajo-rpc-0.8.0-SNAPSHOT.jar
> tajo-storage-0.8.0-SNAPSHOT.jar
> {noformat}
> In order to load the Tajo JDBC driver, client programs must be able to locate
> the all above *JAR* files* and *hadoop's JAR files*.
> For that, users should set classpath for them. If the jar files are located
> in the directory '/usr/local/share/tajo-jdbc' and hadoop binary is located in
> '/opt/hadoop', you should set classpath as follows:
> {code}
> export CLASSPATH=`/opt/hadoop/bin/hadoop
> classpath`:/usr/local/share/tajo-jdbc/*:$CLASSPATH
> {code}
> Note that the command '$\{HADOOP_HOME}/bin/hadoop classpath' prints out
> hadoop's classpaths via stdout.
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