avro Questions

3

This is effectively the same as my previous question, but using Avro rather than JSON as the data format. I'm working with a Spark dataframe which could be loading data from one of a few different...
Ephram asked 24/11, 2015 at 16:52

5

My question is similar to Unable to compile and create .avro file from .avsc using Maven I have tried all possible things, checked the maven project 100 times, still i am not able to run the avro-...
Torero asked 10/8, 2015 at 13:54

3

Solved

Whenever I am trying to read the message from kafka queue, I am getting following exception : [error] (run-main-0) java.lang.ClassCastException: org.apache.avro.generic.GenericData$Record cannot ...

6

Solved

Is it possible to write an Avro schema/IDL that will generate a Java class that either extends a base class or implements an interface? It seems like the generated Java class extends the org.apach...
Carmelo asked 1/1, 2014 at 0:14

2

Solved

I have the following csv : field1;field2;field3;field4;field5;field6;field7;field8;field9;field10;field11;field12; eu;4523;35353;01/09/1999; 741 ; 386 ; 412 ; 86 ; 1.624 ; 1.038 ; 469 ; 117 ; an...
Fluorene asked 19/10, 2018 at 12:31

4

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I am writing a spark job using python. However, I need to read in a whole bunch of avro files. This is the closest solution that I have found in Spark's example folder. However, you need to submi...
Vex asked 20/4, 2015 at 22:57

3

I have a JSON response from an API and I would like to validate against an existing Avro schema(strict validation with names and types). The response is of type {"name":"alex","age":23,"sex":"M"...
Teaser asked 7/5, 2018 at 17:23

3

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For the dataframe below, which was generated from an avro file, I'm trying to get the column names as a list or other format so that I can use it in a select statement. node1 and node2 have the sam...
Calamus asked 16/9, 2022 at 3:26

3

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I'm trying to create hive/impala tables base on avro files in HDFS. The tool for doing the transformations is Spark. I can't use spark.read.format("avro") to load the data into a datafram...
Bushnell asked 22/7, 2022 at 5:54

3

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I'm actually trying to serialize objects containing dates with Avro, and the deserialized date doesn't match the expected value (tested with avro 1.7.2 and 1.7.1). Here's the class I'm serializing ...
Peterpeterborough asked 6/11, 2012 at 16:47

2

We're using avro for (de)serialization of messages that flow through a message broker. For the purpose of storing the avro files a schema registry (apicurio) is used. This provides two benefits - s...
Troat asked 15/5, 2022 at 14:47

3

I'm new to Maven and have been looking at tutorials and web for documentation on how to build a .avro from a schema file .avsc. Based on the documentation that on the apache.maven.org site. I have ...
Poirer asked 24/12, 2013 at 0:13

3

What I have in my Schema.avdl: array<string> names = null; Now instead of null, I want to have the default value as an empty array, so i tried and failed: array<string> names = [];...
Hacksaw asked 10/1, 2017 at 9:52

4

I am using apache avro maven plugin with the aim of generating java from avsc. I am running this on an m1 mac(though i didn't see anything online about that being an issue). The issue appears to be...
Eisk asked 23/7, 2021 at 17:41

4

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I am trying to use the avro-gradle-plugin on github, but have not gotten any luck getting it to work. Does anyone have any sample code on how they get it to work?
Femininity asked 12/11, 2012 at 20:48

6

I'm looking for a way to convert a POJO to an avro object in a generic way. The implementation should be robust to any changes of the POJO-class. I have achieved it but filling the avro record expl...
Talmud asked 3/7, 2015 at 13:15

2

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For unions in avro Idl something like below what would be the default values? 1. union {null, string} var = null; 2. union {string, null} = "xyz"; 3. union {null, string} = "xyz"; 4. union {nul...
Rollo asked 6/11, 2014 at 0:43

3

We need to serialize some data for putting into solr as well as hadoop. I am evaluating serialization tools for the same. The top two in my list are Gson and Avro. As far as I understand, Avro =...
Otolith asked 12/12, 2013 at 23:25

2

I am currently developing a Flink 1.4 application that reads an Avro file from a Hadoop cluster. However, running it in local mode on my IDE works perfectly fine. But when I submit it to the Jobman...
Smoothtongued asked 14/2, 2018 at 10:12

2

Solved

Kafka schema-registry provides a nice way to serialize and deserialize the data from Kafka using common data contract. However, the data contract (.avsc file) is the glue between the producer and c...

2

I have a sink connector with the following configuration { "name": "sink-test-mariadb-MY_TOPIC", "config": { "connector.class":"io.confluent.connect.jdbc.JdbcSinkConnector", "tasks.max":"10",...
Grube asked 17/1, 2019 at 7:3

4

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I have a specific issue with Avro serialization of Java Objects. I have POJO's generated from xsd schemas which I am then trying to serialize using avro to place on a kafka topic. Some of the xmlEl...
Feil asked 3/11, 2014 at 18:6

3

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I have the following configuration for my Kafka Stream application Properties config = new Properties(); config.put(StreamsConfig.APPLICATION_ID_CONFIG,this.applicaionId); config.put(StreamsCo...

3

It is common to convert avro avdl files (idl files) to avsc files (schema files). I want to convert in the other direction, from avsc to avdl, because I have some avsc files created manually and wa...
Ilyse asked 22/5, 2019 at 17:20

5

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I'm trying to validate a JSON file using an Avro schema and write the corresponding Avro file. First, I've defined the following Avro schema named user.avsc: {"namespace": "example.avro", "type":...
Gignac asked 15/12, 2014 at 13:50

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