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From "Rajesh Balamohan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-13934) S3Guard: DynamoDBMetaStore::move throws exception with limited info
Date Thu, 22 Dec 2016 07:01:07 GMT
Rajesh Balamohan created HADOOP-13934:
-----------------------------------------

             Summary: S3Guard: DynamoDBMetaStore::move throws exception with limited info
                 Key: HADOOP-13934
                 URL: https://issues.apache.org/jira/browse/HADOOP-13934
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/s3
            Reporter: Rajesh Balamohan
            Priority: Minor
             Fix For: 2.9.0


When using {{DynamoDBMetadataStore}} with a insert heavy hive app , it started throwing exceptions
in {{DynamoDBMetadataStore::move}}. But just with the following exception, it is relatively
hard to debug on the real issue in DynamoDB side. 

{noformat}

Caused by: com.amazonaws.services.dynamodbv2.model.AmazonDynamoDBException: 1 validation error
detected: Value '{ddb-table-name-334=[com.amazonaws.dynamodb.v20120810.WriteRequest@ca1da583,
com.amazonaws.dynamodb.v20120810.WriteRequest@ca1fc7cd, com.amazonaws.dynamodb.v20120810.WriteRequest@ca4244e6,
com.amazonaws.dynamodb.v20120810.WriteRequest@ca2f58a9, com.amazonaws.dynamodb.v20120810.WriteRequest@ca3525f8,
...
...
        at com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleErrorResponse(AmazonHttpClient.java:1529)
        at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1167)
        at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:948)
        at com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:661)
        at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:635)
        at com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:618)
        at com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$300(AmazonHttpClient.java:586)
        at com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:573)
        at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:445)
        at com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.doInvoke(AmazonDynamoDBClient.java:1722)
        at com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.invoke(AmazonDynamoDBClient.java:1698)
        at com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.batchWriteItem(AmazonDynamoDBClient.java:668)
        at com.amazonaws.services.dynamodbv2.document.internal.BatchWriteItemImpl.doBatchWriteItem(BatchWriteItemImpl.java:111)
        at com.amazonaws.services.dynamodbv2.document.internal.BatchWriteItemImpl.batchWriteItem(BatchWriteItemImpl.java:52)
        at com.amazonaws.services.dynamodbv2.document.DynamoDB.batchWriteItem(DynamoDB.java:178)
        at org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.move(DynamoDBMetadataStore.java:351)
        ... 28 more
{noformat}



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