java.lang.NoSuchFieldError: com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.endpointPrefix

Question

I am trying to connect my andoid app to dynamo db for CRUD operation when I click on any button it throws, "Unforutunately app stopped working" from my android device with following log at backend[log cat]

Process: com.connect.dynamodb.connecttodynamodb, PID: 16283 java.lang.RuntimeException: An error occured while executing doInBackground() at android.os.AsyncTask$3.done(AsyncTask.java:300) at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355) at java.util.concurrent.FutureTask.setException(FutureTask.java:222) at java.util.concurrent.FutureTask.run(FutureTask.java:242) at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587) at java.lang.Thread.run(Thread.java:841) Caused by: java.lang.NoSuchFieldError: com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.endpointPrefix at com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.init(AmazonDynamoDBClient.java:460) at com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.(AmazonDynamoDBClient.java:444) at com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.(AmazonDynamoDBClient.java:392) at com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.(AmazonDynamoDBClient.java:361)

I created identity pool,account id,auth user and unauth user roles Configurations done are as follows for Cognito

Try 1 :

> CognitoCachingCredentialsProvider credentials = new
> CognitoCachingCredentialsProvider(context,
>                 "accountId",
>                 Constants.IDENTITY_POOL_ID,
>                 "Unauth_Role",
>                 "Auth_Role",
>                 Regions.US_EAST_1);
>         ddb = new AmazonDynamoDBClient(credentials);
>         ddb.setRegion(Region.getRegion(Regions.US_WEST_2));

Try 2:

    CognitoCachingCredentialsProvider credentials = new CognitoCachingCredentialsProvider(
            context,
            "IDENTITY_POOL_ID",
            Regions.US_EAST_1);

    ddb = new AmazonDynamoDBClient(credentials);
    ddb.setRegion(Region.getRegion(Regions.US_WEST_2));
}

Both tries are not working .Any help would be appreciated.I am referring following link.

Ref : https://github.com/awslabs/aws-sdk-android-samples/blob/master/DynamoDBMapper_UserPreference_Cognito/

Ermiya Eskandary · Accepted Answer · 2021-10-24 11:50:33Z

2

I fixed this issue by adding

> compile 'com.amazonaws:aws-android-sdk-core:2.2.+'
> compile 'com.amazonaws:aws-android-sdk-s3:2.2.+'
> compile 'com.amazonaws:aws-android-sdk-ddb:2.2.+'

and adding aws-android-sdk-ddb-mapper-2.4.7.jar to lib folder and setting the region to Regions.AP_SOUTH_1, where I have created the identity pool.

edited Oct 24, 2021 at 11:50

Ermiya Eskandary

24.4k4 gold badges58 silver badges72 bronze badges

answered Sep 5, 2017 at 18:56

Pradeep

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4 Comments

donkon Over a year ago

compile 'com.amazonaws:aws-android-sdk-ddb-mapper:2.2.+' is also available

Pradeep Over a year ago

Yes Donkon I used it inside the lib folder.

donkon Over a year ago

what I mean is: You don't need to have the jar, the artifact is also available through maven just like the core, s3, and ddb

Pradeep Over a year ago

Sorry Donkon I got it at first only but forgot to edit the comment.Yes I will try to add dependency in gradle file and remove the jar in lib .Thnx

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