https://community.cloudera.com/t5/Support-Questions/Unable-to-Connect-Hbase-from-Java-client-in-Eclipse/m-p/277771#M207671 <P><a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/21118">@rajesh1972</a>&nbsp;<BR /><BR /></P><P>The maven artifact : "hbase-common:1.1.2" which provides the following JAR does. not seems to contain that class "org.apache.hadoop.hbase.types.CopyOnWriteArrayMap" ... you can check this JAR ..<BR /><A href="https://repo1.maven.org/maven2/org/apache/hbase/hbase-common/1.1.2/hbase-common-1.1.2.jar" target="_blank" rel="noopener">https://repo1.maven.org/maven2/org/apache/hbase/hbase-common/1.1.2/hbase-common-1.1.2.jar</A></P><P>&nbsp;</P><P><BR />So can you please try changing the version of the artifact to <STRONG>2.0.0 . (instead of 1.1.2)</STRONG> and then see if that works for you?</P><P><STRONG>Example:</STRONG></P><P>&nbsp;</P><LI-CODE lang="markup"> &lt;dependencies&gt; &lt;dependency&gt; &lt;groupId&gt;org.apache.hbase&lt;/groupId&gt; &lt;artifactId&gt;hbase-client&lt;/artifactId&gt; &lt;version&gt;2.0.0&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.apache.hbase&lt;/groupId&gt; &lt;artifactId&gt;hbase-common&lt;/artifactId&gt; &lt;version&gt;2.0.0&lt;/version&gt; &lt;/dependency&gt; &lt;/dependencies&gt;</LI-CODE><P>&nbsp;</P><P>.</P><P>&nbsp;</P><P>If your question is answered then, Please make sure to mark the answer as the accepted solution.<BR />If you find a reply useful, say thanks by clicking on the thumbs up button.</P><P>&nbsp;</P><P>&nbsp;</P><P>.</P> Thu, 19 Sep 2019 07:14:43 GMT jsensharma 2019-09-19T07:14:43Z