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https://issues.apache.org/jira/browse/MINIFICPP-1694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gábor Gyimesi resolved MINIFICPP-1694.
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Resolution: Fixed
> Remove false positive error log messages
> ----------------------------------------
>
> Key: MINIFICPP-1694
> URL: https://issues.apache.org/jira/browse/MINIFICPP-1694
> Project: Apache NiFi MiNiFi C++
> Issue Type: Bug
> Reporter: Gábor Gyimesi
> Assignee: Gábor Gyimesi
> Priority: Minor
> Time Spent: 2h 40m
> Remaining Estimate: 0h
>
> There are some error messages in MiNiFi that do not actually signal a real
> error. There were instances when users observed these errors while debugging
> a separate issue and they were suspicious that these might be related so
> these messages can be quite misleading. Most common of these can be observed
> at startup:
> * Happens when "type" field is used instead of "class" which is also
> acceptable:
> {code:java}
> [2021-11-29 13:43:52.892]
> [org::apache::nifi::minifi::core::YamlConfiguration] [error] Unable to parse
> configuration file for component named 'AzureStorageCredentialsService' as
> required field 'class' is missing [in 'Controller Services' section of
> configuration file] [line:column, pos at 52:2, 1660] {code}
> * This should probably be a warning if no configuration file is defined and
> the default is not available:
> {code:java}
> [2021-11-29 13:43:52.898] [org::apache::nifi::minifi::Properties] [error]
> load configure file failed{code}
> * When component state not available anymore this can be also ignored, so it
> should not be an error:
> {code:java}
> [2021-11-29 13:43:52.919]
> [org::apache::nifi::minifi::controllers::RocksDbPersistableKeyValueStoreService]
> [error] Failed to Get key 94b8e610-b4ed-1ec9-b26f-c839931bf3e2 from RocksDB
> database at corecomponentstate, error: (null){code}
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