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https://issues.apache.org/jira/browse/HBASE-25021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17196870#comment-17196870
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Duo Zhang commented on HBASE-25021:
-----------------------------------
This is the related code
{code}
public static void addHBaseDependencyJars(Configuration conf) throws
IOException {
addDependencyJarsForClasses(conf,
// explicitly pull a class from each module
org.apache.hadoop.hbase.HConstants.class, //
hbase-common
org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.class, //
hbase-protocol-shaded
org.apache.hadoop.hbase.client.Put.class, //
hbase-client
org.apache.hadoop.hbase.ipc.RpcServer.class, //
hbase-server
org.apache.hadoop.hbase.CompatibilityFactory.class, //
hbase-hadoop-compat
org.apache.hadoop.hbase.mapreduce.JobUtil.class, //
hbase-hadoop2-compat
org.apache.hadoop.hbase.mapreduce.TableMapper.class, //
hbase-mapreduce
org.apache.hadoop.hbase.metrics.impl.FastLongHistogram.class, //
hbase-metrics
org.apache.hadoop.hbase.metrics.Snapshot.class, //
hbase-metrics-api
org.apache.hadoop.hbase.replication.ReplicationUtils.class, //
hbase-replication
org.apache.hadoop.hbase.http.HttpServer.class, //
hbase-http
org.apache.hadoop.hbase.procedure2.Procedure.class, //
hbase-procedure
org.apache.hadoop.hbase.zookeeper.ZKWatcher.class, //
hbase-zookeeper
org.apache.hbase.thirdparty.com.google.common.collect.Lists.class, //
hb-shaded-miscellaneous
org.apache.hbase.thirdparty.com.google.gson.GsonBuilder.class, //
hbase-shaded-gson
org.apache.hbase.thirdparty.com.google.protobuf.UnsafeByteOperations.class, //
hb-sh-protobuf
org.apache.hbase.thirdparty.io.netty.channel.Channel.class, //
hbase-shaded-netty
org.apache.zookeeper.ZooKeeper.class, //
zookeeper
com.google.protobuf.Message.class, // protobuf
org.apache.htrace.core.Tracer.class, // htrace
com.codahale.metrics.MetricRegistry.class, //
metrics-core
org.apache.commons.lang3.ArrayUtils.class); //
commons-lang
}
{code}
I guess the problem is that, after upgrading the maven shade plugin(IIRC I
upgrade it for addressing the problems when shading jetty), it also relocates
the com.google.protobuf.Message.class...
I think for master, we could just remove this line of code, since on master, we
do not have hbase-protocol any more which means we do not depend on non-shaded
protobuf any more. It is hadoop's duty to add the protobuf dependency for its
own.
> Nightly job should skip hadoop-2 integration test for master
> ------------------------------------------------------------
>
> Key: HBASE-25021
> URL: https://issues.apache.org/jira/browse/HBASE-25021
> Project: HBase
> Issue Type: Bug
> Components: build, scripts
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
>
> Since master does not support hadoop 2.x any more.
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