error starting schema registry

[Andrey Plaksin]

Hi 

I installed a single server confluent platform on google cloud vm 

i cant start the schema registry with the following error 

ERROR Error starting the schema registry (io.confluent.kafka.schemaregistry.rest.SchemaRegistryRestApplication:57)io.confluent.kafka.schemaregistry.exceptions.SchemaRegistryInitializationException: Error initializing kafka store while initializing schema registry at io.confluent.kafka.schemaregistry.storage.KafkaSchemaRegistry.init(KafkaSchemaRegistry.java:166) at io.confluent.kafka.schemaregistry.rest.SchemaRegistryRestApplication.setupResources(SchemaRegistryRestApplication.java:55) at io.confluent.kafka.schemaregistry.rest.SchemaRegistryRestApplication.setupResources(SchemaRegistryRestApplication.java:37) at io.confluent.rest.Application.createServer(Application.java:109) at io.confluent.kafka.schemaregistry.rest.SchemaRegistryMain.main(SchemaRegistryMain.java:43)Caused by: io.confluent.kafka.schemaregistry.storage.exceptions.StoreInitializationException: io.confluent.kafka.schemaregistry.storage.exceptions.StoreException: Failed to write Noop record to kafka store. at io.confluent.kafka.schemaregistry.storage.KafkaStore.init(KafkaStore.java:155) at io.confluent.kafka.schemaregistry.storage.KafkaSchemaRegistry.init(KafkaSchemaRegistry.java:164) ... 4 moreCaused by: io.confluent.kafka.schemaregistry.storage.exceptions.StoreException: Failed to write Noop record to kafka store. at io.confluent.kafka.schemaregistry.storage.KafkaStore.getLatestOffset(KafkaStore.java:367) at io.confluent.kafka.schemaregistry.storage.KafkaStore.waitUntilKafkaReaderReachesLastOffset(KafkaStore.java:224) at io.confluent.kafka.schemaregistry.storage.KafkaStore.init(KafkaStore.java:153) ... 5 moreCaused by: java.util.concurrent.ExecutionException: org.apache.kafka.common.errors.TimeoutException: Failed to update metadata after 81 ms. at org.apache.kafka.clients.producer.KafkaProducer$FutureFailure.<init>(KafkaProducer.java:686) at org.apache.kafka.clients.producer.KafkaProducer.send(KafkaProducer.java:449) at org.apache.kafka.clients.producer.KafkaProducer.send(KafkaProducer.java:339) at io.confluent.kafka.schemaregistry.storage.KafkaStore.getLatestOffset(KafkaStore.java:362) ... 7 moreCaused by: org.apache.kafka.common.errors.TimeoutException: Failed to update metadata after 81 ms.

[Roger Hoover]

Hi Andrey,

Is Kafka running?  Are there any errors in it's logs?

Roger

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[Andrey Plaksin]

Zookeeper and kafka started successfully, I was able to connect to the zookeeper from external machine and see the broker up and running

[Alex Loddengaard]

Looks like the error is that the Noop key couldn't be produced to Kafka. Can you make sure the _schemas topic exists? Can you also confirm that you can produce to a test Kafka topic with the console producer?

Alex

On Tue, May 10, 2016 at 10:41 AM, Andrey Plaksin <andrey....@gmail.com> wrote:

Zookeeper and kafka started successfully, I was able to connect to the zookeeper from external machine and see the broker up and running

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[Michael Dolgonos]

I'm having the same problem. The only difference I have is that I renamed the topic name from "_schemas" to "_schemas1" in the schema-registry.properties file. I created this new topic and see it is listed in kafka-topics --list --zookeeper localhost:2181. My Kafka server as well as Zookeeper are running and I can exchange messages in other topics except _schems1. When I try to send a regular message to it I see the following error in the server console:

Topic and partition to exceptions: _schemas1-0 -> org.apache.kafka.common.errors.CorruptRecordException (kafka.server.KafkaApis)

[2016-09-23 09:47:31,595] INFO [KafkaApi-0] Closing connection due to error during produce request with correlation id 5 from client id console-producer with ack=0

Any advise would be greatly appreciated.

Michael D.

On Tuesday, May 10, 2016 at 7:00:04 PM UTC-4, Alex Loddengaard wrote:

Looks like the error is that the Noop key couldn't be produced to Kafka. Can you make sure the _schemas topic exists? Can you also confirm that you can produce to a test Kafka topic with the console producer?

Alex

On Tue, May 10, 2016 at 10:41 AM, Andrey Plaksin <andrey....@gmail.com> wrote:

Zookeeper and kafka started successfully, I was able to connect to the zookeeper from external machine and see the broker up and running

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