[英]Connect AWS Dax Client to localstack DynamoDB?
我正在嘗試使用 AWS DaxClient 連接到運行 DynamoDB 的本地堆棧設置。
我從這里的 github repo 中的 docker-compose 文件開始 localstack。
然后我嘗試在 Java 代碼中創建一個 Dax 客戶端並將其指向
public class PlainJavaClass {
static AmazonDynamoDB daxClient;
public static void main(String[] args) throws Exception {
AmazonDaxClientBuilder daxClientBuilder = AmazonDaxClientBuilder.standard();
daxClientBuilder.withRegion("us-east-1").withEndpointConfiguration("localhost:4566");
daxClient = daxClientBuilder.build();
}
}
但是我收到以下異常:
12:36:53.713 [main] WARN com.amazon.dax.client.dynamodbv2.ClusterDaxClient - exception starting up cluster client: java.io.IOException: failed to configure cluster endpoints from hosts: [localhost:4566]
java.io.IOException: failed to configure cluster endpoints from hosts: [localhost:4566]
at com.amazon.dax.client.cluster.Source$AutoconfSource.pull(Source.java:127)
at com.amazon.dax.client.cluster.Source$AutoconfSource.update(Source.java:59)
at com.amazon.dax.client.cluster.Source$AutoconfSource.refresh(Source.java:50)
at com.amazon.dax.client.cluster.Cluster.refresh(Cluster.java:426)
at com.amazon.dax.client.cluster.Cluster.refresh(Cluster.java:409)
at com.amazon.dax.client.cluster.Cluster.startup(Cluster.java:330)
at com.amazon.dax.client.cluster.Cluster.startup(Cluster.java:263)
at com.amazon.dax.client.dynamodbv2.ClusterDaxClient.<init>(ClusterDaxClient.java:148)
at com.amazon.dax.client.dynamodbv2.ClusterDaxClient.<init>(ClusterDaxClient.java:119)
at com.amazon.dax.client.dynamodbv2.AmazonDaxClientBuilder.build(AmazonDaxClientBuilder.java:34)
at com.example.crudspringbootdynamodb.PlainJavaClass.createDaxClient(PlainJavaClass.java:30)
at com.example.crudspringbootdynamodb.PlainJavaClass.main(PlainJavaClass.java:50)
Caused by: com.amazon.cbor.EndOfStreamException: null
at com.amazon.cbor.CborInputStream.readObject(CborInputStream.java:1340)
at com.amazon.dax.client.exceptions.DaxServiceException.pickException(DaxServiceException.java:44)
at com.amazon.dax.client.generated.DaxClientStubs.handleResponse(DaxClientStubs.java:963)
at com.amazon.dax.client.generated.DaxClientStubs.endpoints_455855874_1(DaxClientStubs.java:479)
at com.amazon.dax.client.dynamodbv2.DaxClient.endpoints(DaxClient.java:2375)
at com.amazon.dax.client.cluster.Source$AutoconfSource.pullFrom(Source.java:137)
at com.amazon.dax.client.cluster.Source$AutoconfSource.pull(Source.java:105)
... 11 common frames omitted
Suppressed: com.amazon.cbor.EndOfStreamException: null
... 18 common frames omitted
我知道我可以使用這樣創建的普通 DynamoDb 客戶端連接到 localstack:
AmazonDynamoDBClientBuilder
.standard()
.withEndpointConfiguration(new AwsClientBuilder.EndpointConfiguration("http://localhost:4566/", "us-east-1"))
.build();
所以不太確定下一步 go 在哪里。 是否可以使用 DAX 客戶端連接到 DynamoDB localstack?
不,localstack 還不支持它。 github ( https://github.com/localstack/localstack/issues/3707 ) 上有一個未解決的問題。
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