Ted Yu created KYLIN-3588:
-----------------------------
Summary: Potentially duplicate put to
RemoveBlackoutRealizationsRule#filters map
Key: KYLIN-3588
URL: https://issues.apache.org/jira/browse/KYLIN-3588
Project: Kylin
Issue Type: Bug
Reporter: Ted Yu
Here is related code:
{code}
IRealizationFilter filter = filters.get(conf);
if (filter == null) {
try {
Class<? extends IRealizationFilter> clz =
ClassUtil.forName(conf.getQueryRealizationFilter(), IRealizationFilter.class);
filter =
clz.getConstructor(KylinConfig.class).newInstance(conf);
} catch (Exception e) {
throw new RuntimeException(e);
}
filters.put(conf, filter);
{code}
Two threads may find out there is no filter for conf, they would proceed with
creation of IRealizationFilter instances and try to put into the map.
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