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https://issues.apache.org/jira/browse/HBASE-7637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13559037#comment-13559037
]
nkeywal commented on HBASE-7637:
--------------------------------
Here is the guilty, in bin/hbase
add_maven_main_classes_to_classpath() {
# assumes all modules are named hbase-* in the top level directory
IFS=$ORIG_IFS
for module in `ls $HBASE_HOME | grep 'hbase-*'`
do
add_to_cp_if_exists "$HBASE_HOME/$module/target/classes"
done
}
> hbase-hadoop1-compat conflicts with -Dhadoop.profile=2.0
> --------------------------------------------------------
>
> Key: HBASE-7637
> URL: https://issues.apache.org/jira/browse/HBASE-7637
> Project: HBase
> Issue Type: Bug
> Components: build
> Affects Versions: 0.96.0
> Reporter: nkeywal
> Priority: Critical
> Fix For: 0.96.0
>
>
> I'm unclear on the root cause / fix. Here is the scenario:
> {noformat}
> mvn clean package install -Dhadoop.profile=2.0 -DskipTests
> bin/start-hbase.sh
> {noformat}
> fails with
> {noformat}
> Caused by: java.lang.ClassNotFoundException:
> org.apache.hadoop.metrics2.lib.MetricMutable
> at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
> {noformat}
> doing
> {noformat}
> rm -rf hbase-hadoop1-compat/target/
> {noformat}
> makes it work.
> In the pom.xml, we never reference hadoop2-compat. But doing so does not
> help: hadoop1-compat is compiled and takes precedence over hadoop2...
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