KevenLee229 commented on issue #7353:
URL: https://github.com/apache/druid/issues/7353#issuecomment-696065446
In the historical server, the log shows that the values have been load
>org.apache.druid.server.lookup.namespace.JdbcCacheGenerator - Finished
loading 1137 values for namespace...
But when I conducted a query to lookup the table, the following error was
return:
> Unknown exception / namespace
[JdbcExtractionNamespace{connectorConfig=DbConnectorConfig{createTables=true,
connectURI='****', user='***',
passwordProvider=org.apache.druid.metadata.DefaultPasswordProvider,
dbcpProperties=null}, table='crowd_customer', keyColumn='id',
valueColumn='membership_level', tsColumn='null', filter='null',
pollPeriod=PT0S}] :
org.apache.druid.server.lookup.namespace.cache.CacheScheduler$EntryImpl@2a815d3b:
CACHE_NOT_INITIALIZED, extractorID =
namespace-factory-JdbcExtractionNamespace{connectorConfig=DbConnectorConfig{createTables=true,
connectURI='*****', user='',
passwordProvider=org.apache.druid.metadata.DefaultPasswordProvider,
dbcpProperties=null}, table='', keyColumn='id', valueColumn='membership_level',
tsColumn='null', filter='null',
pollPeriod=PT0S}-63656cc9-36d8-4c8e-ac9b-a0df4878a510 /
org.apache.druid.java.util.common.ISE / on host
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