xi chaomin created HUDI-3983:
--------------------------------

             Summary: ClassDefFound when using hudi-spark-bundle to write table 
with hbase index
                 Key: HUDI-3983
                 URL: https://issues.apache.org/jira/browse/HUDI-3983
             Project: Apache Hudi
          Issue Type: Bug
            Reporter: xi chaomin


I ran a spark job and encountered several ClassDefFound errors.
 # 
{code:java}
java.lang.NoClassDefFoundError: 
org/apache/hudi/org/apache/hadoop/hbase/protobuf/generated/AuthenticationProtos$TokenIdentifier$Kind
    at 
org.apache.hudi.org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.translateException(RpcRetryingCallerImpl.java:222)
    at 
org.apache.hudi.org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.callWithoutRetries(RpcRetryingCallerImpl.java:195)
    at 
org.apache.hudi.org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:395)
    at 
org.apache.hudi.org.apache.hadoop.hbase.client.ScannerCallableWithReplicas$RetryingRPC.call(ScannerCallableWithReplicas.java:369)
    at 
org.apache.hudi.org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.callWithRetries(RpcRetryingCallerImpl.java:108)
 {code}
include org.apache.hbase:hbase-protocol in packaging/hudi-spark-bundle/pom.xml 
can solve this error.
 # 
{code:java}
java.lang.ClassNotFoundException: 
org.apache.hudi.org.apache.hbase.thirdparty.com.google.gson.GsonBuilder
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) {code}

include org.apache.hbase.thirdparty:hbase-shaded-gson n 
packaging/hudi-spark-bundle/pom.xml can solve this error.
 # 
{code:java}
java.lang.ClassNotFoundException: Class 
org.apache.hadoop.hbase.client.ClusterStatusListener$MulticastListener not 
found {code}
There is a configuration in hbase-site.xml 

{code:java}
<property>
  <name>hbase.status.listener.class</name>
  
<value>org.apache.hadoop.hbase.client.ClusterStatusListener$MulticastListener</value>
  <description>
    Implementation of the status listener with a multicast message.
  </description>
</property> {code}
I set hbase.status.listener.class to 
org.apache.hudi.org.apache.hadoop.hbase.client.ClusterStatusListener$MulticastListener,
 the ClassNotFoundException resolved, bug get another exception

{code:java}
org.apache.hudi.org.apache.hadoop.hbase.exceptions.ConnectionClosedException: 
Call to address=xxx:16020 failed on local exception: 
org.apache.hudi.org.apache.hadoop.hbase.exceptions.ConnectionClosedException: 
Connection closed {code}
I remove the relocation related to hbase, the job succeed.
I don't know why ConnectionClosedException occurs when we use relocation.



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