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From "Keith Lui (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-14988) java.lang.reflect.InvocationTargetException when doing batch with large number of increment
Date Wed, 16 Dec 2015 00:51:46 GMT
Keith Lui created HBASE-14988:
---------------------------------

             Summary: java.lang.reflect.InvocationTargetException when doing batch with large
number of increment
                 Key: HBASE-14988
                 URL: https://issues.apache.org/jira/browse/HBASE-14988
             Project: HBase
          Issue Type: Bug
    Affects Versions: 1.0.0
            Reporter: Keith Lui


Tried to do a 10K increment with batch. When using 
public void batch(List<? extends Row> actions, Object[] results) 
got 
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at com.simontuffs.onejar.Boot.run(Boot.java:340)
	at com.simontuffs.onejar.Boot.main(Boot.java:166)
Caused by: java.lang.AssertionError: results.length
	at org.apache.hadoop.hbase.client.AsyncProcess$AsyncRequestFutureImpl.<init>(AsyncProcess.java:763)
	at org.apache.hadoop.hbase.client.AsyncProcess.createAsyncRequestFuture(AsyncProcess.java:1578)
	at org.apache.hadoop.hbase.client.AsyncProcess.submitAll(AsyncProcess.java:554)
	at org.apache.hadoop.hbase.client.HTable.batch(HTable.java:1000)

Interestingly no exception is thrown when using the deprecated method 
public Object[] batch(List<? extends Row> actions)

This is a sample code in Scala:

val table = connection.getTable(TableName.valueOf("test_table"))
val increments = for (i <- 0 until 10000) yield {
  val rand = Random.nextDouble().toString  
  val increment = new Increment(rand.getBytes)
  increment.addColumn(family, qualifier, Random.nextLong())
  increment
}
table.batch(increments, Array.empty[Object])




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