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From "Appy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18942) hbase-hadoop2-compat module ignores hadoop-3 profile
Date Mon, 04 Dec 2017 23:05:01 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18942?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16277720#comment-16277720
] 

Appy commented on HBASE-18942:
------------------------------

By trick, i mean avoid the bug where we -Dhadoop.profile=3.0 -Dhadoop-three.version=xx are
insufficient and require also setting hadoop-two.version.
The decision for separate module or common module (which doesn't make sense, since we should
just refactor things to directly use hadoop libs in relevant places) can be taken once testing
with hadoop3 is complete.


> hbase-hadoop2-compat module ignores hadoop-3 profile
> ----------------------------------------------------
>
>                 Key: HBASE-18942
>                 URL: https://issues.apache.org/jira/browse/HBASE-18942
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>              Labels: build
>         Attachments: HBASE-18942.master.001.patch
>
>
> In hbase-hadoop2-compat/pom.xml :
> {code}
>     <dependency>
>       <groupId>org.apache.hadoop</groupId>
>       <artifactId>hadoop-common</artifactId>
>       <version>${hadoop-two.version}</version>
>     </dependency>
> {code}
> The version for hadoop-common defaults to hadoop-two.
> This means that when hadoop-3.0 profile is used, hadoop-three.version would be ignored.
> The following error would be observed:
> {code}
> Caused by: java.util.ServiceConfigurationError: org.apache.hadoop.hbase.zookeeper.MetricsZooKeeperSource:
Provider org.apache.hadoop.hbase.zookeeper.MetricsZooKeeperSourceImpl could not be instantiated
>   at java.util.ServiceLoader.fail(ServiceLoader.java:232)
>   at java.util.ServiceLoader.access$100(ServiceLoader.java:185)
>   at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:384)
>   at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404)
>   at java.util.ServiceLoader$1.next(ServiceLoader.java:480)
>   at org.apache.hadoop.hbase.CompatibilitySingletonFactory.getInstance(CompatibilitySingletonFactory.java:59)
>   ... 34 more
> Caused by: java.lang.NoClassDefFoundError: Could not initialize class com.sun.proxy.$Proxy17
>   at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>   at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
>   at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>   at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
>   at java.lang.reflect.Proxy.newProxyInstance(Proxy.java:739)
>   at org.apache.commons.configuration2.builder.fluent.Parameters.createParametersProxy(Parameters.java:294)
>   at org.apache.commons.configuration2.builder.fluent.Parameters.fileBased(Parameters.java:185)
>   at org.apache.commons.configuration2.builder.fluent.Configurations.fileParams(Configurations.java:602)
>   at org.apache.commons.configuration2.builder.fluent.Configurations.fileParams(Configurations.java:638)
>   at org.apache.commons.configuration2.builder.fluent.Configurations.fileBasedBuilder(Configurations.java:164)
>   at org.apache.commons.configuration2.builder.fluent.Configurations.propertiesBuilder(Configurations.java:264)
>   at org.apache.hadoop.metrics2.impl.MetricsConfig.loadFirst(MetricsConfig.java:115)
>   at org.apache.hadoop.metrics2.impl.MetricsConfig.create(MetricsConfig.java:98)
>   at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.configure(MetricsSystemImpl.java:478)
>   at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.start(MetricsSystemImpl.java:188)
>   at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.init(MetricsSystemImpl.java:163)
>   at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.init(DefaultMetricsSystem.java:62)
>   at org.apache.hadoop.metrics2.lib.DefaultMetricsSystem.initialize(DefaultMetricsSystem.java:58)
>   at org.apache.hadoop.hbase.metrics.BaseSourceImpl$DefaultMetricsSystemInitializer.init(BaseSourceImpl.java:51)
>   at org.apache.hadoop.hbase.metrics.BaseSourceImpl.<init>(BaseSourceImpl.java:112)
>   at org.apache.hadoop.hbase.zookeeper.MetricsZooKeeperSourceImpl.<init>(MetricsZooKeeperSourceImpl.java:56)
>   at org.apache.hadoop.hbase.zookeeper.MetricsZooKeeperSourceImpl.<init>(MetricsZooKeeperSourceImpl.java:51)
> {code}



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