avro-maven-plugin | Maven 2 Plugin for processing Apache Avro files
kandi X-RAY | avro-maven-plugin Summary
kandi X-RAY | avro-maven-plugin Summary
Maven 2 Plugin for processing Apache Avro files. Avro is a subproject of Apache Hadoop.
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avro-maven-plugin Key Features
avro-maven-plugin Examples and Code Snippets
Community Discussions
Trending Discussions on avro-maven-plugin
QUESTION
I have 2 schemas i.e. LogLine and User schemas
...ANSWER
Answered 2021-Dec-12 at 15:09The maven plugin doesn't do cross references (it cannot guarantee file processing order to know other definitions exist). Besides, you'd want the union type to actually be com.sample.log.User
.
If you want to nest schemas, it's easier to use AVDL definitions, in my experience.
QUESTION
I have below avro schema User.avsc
ANSWER
Answered 2021-Sep-14 at 17:26Perhaps you can look at the datastream interface. The input parameter of the addSink function is of type SinkFunction, and the input parameter of the sinkTo function is Sink.
FileSink is implemented based on the Sink interface, you should use the sinkTo function
QUESTION
I am using Avro serialiser to push messages to kafka topic. I generated the Java class out of the below avro schema
...ANSWER
Answered 2021-Nov-16 at 07:03This is how Avro works based on official documentation. The fields
tsEntityCreated
, tsEntityUpdated
QUESTION
I'm trying to get this IoT simulator running: https://github.com/TrivadisPF/various-bigdata-prototypes/tree/master/streaming-sources/iot-truck-simulator/impl
Specifically I want to be able to edit to suit my needs, change route locations, add different iot devices etc..
I've downloaded the zip, setup my intelliJ environment and tried to build and run but I keep getting various errors the most predominant being:
Exception in thread "main" java.lang.RuntimeException: Error running truck stream generator at com.hortonworks.labutils.SensorEventsGenerator.generateTruckEventsStream(SensorEventsGenerator.java:43) at com.hortonworks.solution.Lab.main(Lab.java:277) Caused by: java.lang.NullPointerException at java.base/java.util.Arrays.sort(Arrays.java:1249) at com.hortonworks.simulator.impl.domain.transport.route.TruckRoutesParser.parseAllRoutes(TruckRoutesParser.java:77) at com.hortonworks.simulator.impl.domain.transport.TruckConfiguration.parseRoutes(TruckConfiguration.java:62) at com.hortonworks.simulator.impl.domain.transport.TruckConfiguration.initialize(TruckConfiguration.java:38) at com.hortonworks.labutils.SensorEventsGenerator.generateTruckEventsStream(SensorEventsGenerator.java:25) ... 1 more
This leads me to the "getResource" and "getPath" stuff in lab.java:
...ANSWER
Answered 2021-Oct-25 at 13:08Turns out it was an issue with java versioning. Found a wonderful page here.
That let me setup on the fly switching which lead to the commands in the git working absolutely fine.
QUESTION
In Avro IDL I have a Message record defined as follows:
...ANSWER
Answered 2021-Sep-27 at 12:52At this point, there appears to be a couple of ways to resolve this, at least when using the Confluent Platform, version 5.5.1 or later. And I'm considering the problem to be an open defect with Avro.
The first option is to update the Avro Schema file with a global search and replace of "type":"string"
to
QUESTION
I have below avro schema User.avsc
ANSWER
Answered 2021-Sep-15 at 07:36This problem is mainly because Source is a BOUNDED Source. The execution of the entire Flink Job is over before the Checkpoint has been executed.
You can refer to the following example to generate User records instead of fromCollection
QUESTION
I have implemented the solution suggested here: Kafka consumer in flink, So my code looks like this:
...ANSWER
Answered 2021-Aug-19 at 14:14When you pick a Kafka deserializer format, you need to be aware of how the data was produced.
The Confluent wire format is not the same as plain Avro, and you can expect such out of bounds errors as the parsers are different.
See if ConfluentRegistryAvroDeserializationSchema
class works better
QUESTION
IDE used ECLIPSE I am trying to pull in a project which has AVRO schema compilation using IDL protocol. I am getting below error by Maven.
Solutions tried : Error when importing Maven-GWT project ("No marketplace entries found to handle gwt-maven-plugin") and thats not working for me.
...ANSWER
Answered 2021-Aug-12 at 14:03It was my bad, i went through all setup videos and all were using IntelliJ . In eclipse you need to go to Run As -> Maven build and give compile. This will create the needed AVRO classes in suitable location as mentioned in pom.xml. Exception went after that
QUESTION
During the execution of avro-maven-plugin:schema goal I keep getting this error:
...ANSWER
Answered 2021-Jul-27 at 18:23The specification states that the default value must match the first element of the union: https://avro.apache.org/docs/current/spec.html#Unions.
Therefore you need to change the order of your union to have the null
type first, or change the default to be an integer type.
QUESTION
I have two schemas,
a.avsc
...ANSWER
Answered 2021-Jun-04 at 20:06This is expected behaviour; you cannot create cross-reference AVSC files.
As an alternative, I would suggest you use IDL files
Update the POM
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install avro-maven-plugin
You can use avro-maven-plugin like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the avro-maven-plugin component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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