StreamApp | Streaming application for Ant Media Server | Stream Processing library
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kandi X-RAY | StreamApp Summary
Streaming application for Ant Media Server
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of StreamApp
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QUESTION
Im trying to implement this joins according this kafka documentation.
I've no idea why this joins does not work...
First I passed all values.
Here it try to force generics to be of type Object, this is very wrong.
Without Joined with serialization options I receive this runtime exception:
Exception in thread "StreamAPP-stream-event-b3dc5fff-abee-4fa0-92f9-e1690f8fd152-StreamThread-1" org.apache.kafka.streams.errors.StreamsException: ClassCastException while producing data to topic StreamAPP-stream-event-KSTREAM-KEY-SELECT-0000000025-repartition. A serializer (key: org.apache.kafka.common.serialization.ByteArraySerializer / value: org.apache.kafka.common.serialization.ByteArraySerializer) is not compatible to the actual key or value type (key type: br.com.calebebrim.kafka.entities.stream.sharing.registry.StreamRegistryKey / value type: br.com.calebebrim.kafka.entities.stream.sharing.stream.Event). Change the default Serdes in StreamConfig or provide correct Serdes via method parameters (for example if using the DSL,
#to(String topic, Produced produced)
withProduced.keySerde(WindowedSerdes.timeWindowedSerdeFrom(String.class))
)
Can anyone help me?
Thanks!
...ANSWER
Answered 2021-Jan-08 at 14:40Solved,
I found out that the join operation can not transform data.
So, I just applyed mapValues before like:
QUESTION
I would like to be able to fetch the user details for a list of users, preferably in a single API call. Is this possible using the JS client (my preference) or via the REST API?
There is a reference to a listUsers
interface in the chat documentation:
ANSWER
Answered 2020-Nov-03 at 20:14Not possible at the moment.
However, it's in the backlog to be added.
As you realize, there is a single user read.
On the other hand, react native is a client which shouldn't query users directly. Needed users can be extended on feed/reaction read via enrichment automatically, which is the difference than chat.
QUESTION
I have a view function passing in an integer as a context and renders a HTML file.
...ANSWER
Answered 2020-Oct-06 at 12:34You use the gateid
variable, so:
QUESTION
I have this issue on my flutter application. It seems failed to load an API request, but when i try on browser it return okay "http://vplay.id/api/series/popular".
Debug
...ANSWER
Answered 2019-Nov-22 at 02:44static double checkDouble(dynamic value) {
if (value is String) {
return double.parse(value);
} else {
return value;
}
}
}
QUESTION
I am working on a react native app that is using the FlatFeed component but the images when displayed in the feed are being cropped. How do I stop the image from being cropped?
I am posting activities with an image to the feed server side in Python using the following code:
...ANSWER
Answered 2020-Mar-03 at 17:21You may want to add resizeMode="contain"
at Image component - https://github.com/GetStream/react-native-activity-feed/blob/master/src/components/Activity.js#L223.
But to add this prop, you will have to provide your own Content
component to Activity
component. So I suggest something like following (check the comments in code):
QUESTION
I have created a demo app using KafkaStream API. Trying to run the app using kafka-run-class.bat file but getting error "Could not find or load main class com.kafka.StreamApp"
This is the path to my class : "C:\Users\ankit.srivastava\eclipse-workspace\kafka-demo\src\main\java\com\kafka"
I have set my CLASSPATH envrionment variable as :
"C:\Users\ankit.srivastava\eclipse-workspace\kafka-demo\src\main\java"
Command i am trying to run to start the app from "C:\Users\ankit.srivastava\Documents\Kafka\kafka" :
"bin\windows\kafka-run-class.bat com.kafka.StreamApp"
...ANSWER
Answered 2019-Sep-27 at 06:47You don't need kafka-run-class to run your own Consumer or Producer. You should be able to deploy and run your code without depending on having Kafka installed on any machine.
That being said, you'd run the code just using java
, as normal.
Regarding your error, it's not specific to Kafka. Simply, you've pointed the CLASSPATH at Java files, not compiled class files.
Based on the path of files, seems like you might be using Maven or Gradle, so I'd suggest using the JAR file built from those
And based on your previous questions, I'd suggest using Spring-Kafka or Spring Cloud Streams to simplify the configuration of your code
QUESTION
I'm trying to display a success and error message in the same page. What do i need to change?
The form is to send the data to the database and then show a success message in the same page, then redirect to another page. I've tried changing the ID value in the form and the java script, i still get the same results, the data is sent to the database, it redirects to another page, but it doesn't show the success message before redirecting.
Controller:
...ANSWER
Answered 2019-Jul-15 at 21:52Remove this line:
QUESTION
I am trying to get my head around getstream.io. I am planning to use it for implementing notification functionality.
I am using the react component StreamApp
on the client side. On the server side I am using Java client.
I am able to add an activity to the notification feed. I get notified on the client side as well about this notification. However, I am not able to see that notification in the dropdown along with other existing notifications.
Front end (client) side code :
...ANSWER
Answered 2019-May-24 at 16:26You are trying to create an activity representing a user reaction.
The proper way of doing this is achieved via reaction api:
QUESTION
How can I send a RPC request to another instance of the same Kafka Streams app instance on the same Kubernetes Service.
NOTE: This worked previously on Docker when exposing the current instances ip:port with the application.server
property
e.g. ReplicaSet=2
StreamApp Instance 1 endpoint = 1.2.3.4:7079
StreamApp Instance 2 endpoint = 1.2.3.5:7079
I would like to send a rest request from Instance 1 accessing the remote Interactive Queries on Instance 2
what I have tried already
I sent a CURL request from instance 1 -> instance 2 : but got a 404 error
...ANSWER
Answered 2019-Feb-20 at 14:57I disabled Istio injection before installing the service and then re enabled it after installing the service and now its all working fine, so the commands that worked for me were:
QUESTION
I'm attempting to create a custom exception handler for my Spring Cloud Dataflow stream to route some errors to be requeued and others to be DLQ'd.
To do this I'm utilizing the global Spring Integration "errorChannel" and routing based on exception type.
This is the code for the Spring Integration error router:
...ANSWER
Answered 2018-Dec-05 at 22:05Update with solution from the comments:
After reviewing your configuration I am now pretty sure I know what the issue is. You have a multi-binder configuration scenario. Even if you only deal with a single binder instance the existence of spring.cloud.stream.binders.... is what's going to make framework treat it as multi-binder. Basically this a bug - github.com/spring-cloud/spring-cloud-stream/issues/1384. As you can see it was fixed but you need to upgrade to Elmhurst.SR2 or grab the latest snapshot (we're in RC2 and 2.1.0.RELEASE is in few weeks anyway) – Oleg Zhurakousky
This was indeed the problem with our setup. Instead of upgrading, we just eliminated our multi-binder usage for now and the issue was resolved.
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