Amazon dynamodb DynamoDBMapper地图支持(java)
我正在尝试使用Amazon dynamodb DynamoDBMapper地图支持(java),amazon-dynamodb,Amazon Dynamodb,我正在尝试使用com.amazonaws.services.dynamodb.datamodeling.DynamoDBMapper.save()编写一个映射,但出现以下错误: Exception in thread "main" com.amazonaws.services.dynamodb.datamodeling.DynamoDBMappingException: Unsupported type: interface java.util.Map for public java.uti
com.amazonaws.services.dynamodb.datamodeling.DynamoDBMapper.save()
编写一个映射,但出现以下错误:
Exception in thread "main"
com.amazonaws.services.dynamodb.datamodeling.DynamoDBMappingException:
Unsupported type: interface java.util.Map for public java.util.Map Config.getAttributes()
DynamoDBMapper
不支持映射吗?创建HashMapMarshaller
public class HashMapMarshaller extends JsonMarshaller<HashMap<String, String>>
{
@Override
public String marshall(HashMap<String, String> obj) {
return super.marshall(obj);
}
@Override
public HashMap<String, String> unmarshall(Class<HashMap<String, String>> clazz, String json) {
return super.unmarshall(clazz, json);
}
}
@DynamoDBMarshalling(marshallerClass=HashMapMarshaller.class)