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Emulator error: Error performing operation on store. Store capacity exceeded [message #1749696]

Fri, 09 December 2016 14:51

Eclipse User

Every time when I start Kura emulator in Eclipse, I get following error:
org.eclipse.kura.KuraStoreCapacityReachedException: "Error performing operation on store. Store capacity exceeded"
at org.eclipse.kura.core.data.store.DbDataStore.store(DbDataStore.java:256)
at org.eclipse.kura.core.data.DataServiceImpl.publish(DataServiceImpl.java:449)
at org.eclipse.kura.core.cloud.CloudClientImpl.publish(CloudClientImpl.java:114)
at org.eclipse.kura.example.publisher.ExamplePublisher.doPublish(ExamplePublisher.java:300)
at org.eclipse.kura.example.publisher.ExamplePublisher.access$0(ExamplePublisher.java:256)
at org.eclipse.kura.example.publisher.ExamplePublisher$1.run(ExamplePublisher.java:247)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

I know the store.capacity field under DataService tab control the maximum number of messages persisted in the Data Store, I don't want to increase that number because sooner or later the new capacity will be exceeded again. Is there a way to empty the data in the Data Sore?

[Updated on: Fri, 09 December 2016 15:04] by Moderator

Re: Emulator error: Error performing operation on store. Store capacity exceeded [message #1749710 is a reply to message #1749696]

Fri, 09 December 2016 17:31

Eclipse User

Hello,

The data store is intended to be a buffer for messages during periods without cloud connectivity. Once connectivity returns, the data store should begin sending messages until it is empty. Does your use case intend to experience long durations of non-connectivity?

Thanks,
--Dave

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