I am studying the content of the hbase-book repository. While doing so, I encountered the following error when running the Java file at https://github.com/larsgeorge/hbase-book/blob/master/ch04/src/main/java/coprocessor/LoadWithTableDescriptorExample.java.

Caused by: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.DoNotRetryIOException): org.apache.hadoop.hbase.DoNotRetryIOException: java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/coprocessor/BaseRegionObserver

Since BaseRegionObserver is a default coprocessor, why can’t it find the class?

I just run that code. and wanna get table with CoustmCoprocessor.

Here is my conf setting info

hbase-env.sh

export HBASE_CLASSPATH=$HBASE_CLASSPATH:/Users/me/IDE/hbase-book/ch04/target/hbase-book-ch04-2.0.jar

hbase-site.xml

    <property>
      <name>hbase.rootdir</name>
      <value>hdfs://localhost:9000/hbase</value>
    </property>
    <property>
      <name>dfs.replication</name>
      <value>1</value>
    </property>
    <property>
      <name>hbase.cluster.distributed</name>
      <value>true</value>`your text`
    </property>
    <property>
      <name>hbase.wal.provider</name>
      <value>filesystem</value>
    </property>