AWS Lambda Python Boto3 - Inserting data into dynamodb throws error ResourceNotFoundException) when calling the PutItem operation: Requested resou",

Question

AWS is buggy I think. I didn't make any change to the code. Today it is working fine. I struggled all day

I am reading the content of a file from S3 and trying to insert data into Dynamodb table. Everything works right up until inserting data into the dynamodb table. The table exists but it says resource not found Both Lambda and Dynamodb exist in the same region.

It says: "errorMessage": "An error occurred (ResourceNotFoundException) when calling the PutItem operation: Requested resource not found", "errorType": "ResourceNotFoundException",

I tried describe the table. that also throws error

dbclient = boto3.session('dynamodb')
response = dbclient.describe_table(TableName='USBCallCenterTable')
print(response)

import json
import boto3
from pprint import pprint

def lambda_handler(event, context):   
    session = boto3.session.Session()   
    s3_client = session.client('s3')


    for record in event['Records']:
        bucket_name=record['s3']['bucket']['name']
        key_name = record['s3']['object']['key']
        #pprint(dir(record))
        #print(bucket,key)
    
    response =  s3_client.get_object(Bucket = bucket_name, Key = key_name)

    #convert streaming data to byte
    content = response['Body'].read()

    ##convert the byte into string
    data_inString = content.decode('UTF-8')

    ##convert the string data into dictionary 
    data_inDictionary = json.loads(data_inString)
    print(data_inDictionary)

    dynamodbtable = boto3.resource('dynamodb')
    table = dynamodbtable.Table('customer')
    table.put_item(Item=data_inDictionary)

from the initial error, it seems like it role associated with lambda function don't have permission or that table is not exists. — NPatel
– NPatel, Commented Aug 30, 2022 at 21:51
I gave AmazonDynamoDBFullAccess policy to the role and the table exists. I am able to add data manually thru the console to the table — Jason
– Jason, Commented Aug 30, 2022 at 21:52
Make sure you are using the correct region in the lambda handler. — rdas
– rdas, Commented Aug 30, 2022 at 21:57

Coin Graham · Accepted Answer · 2022-08-31 13:59:47Z

1

I created a plain lambda and table in a region and was able to run your python code above successfully. There does not appear to be an error in your code.

Note that when I first deployed your code, I forgot to update the table name and received the exact same error you received. Once I fixed the table name it worked as expected.

answered Aug 31, 2022 at 13:59

Coin Graham

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1 Comment

Jason Over a year ago

thank You Coin. It worked fine without any problem today

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