[ https://issues.apache.org/jira/browse/KAFKA-16055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
A. Sophie Blee-Goldman reassigned KAFKA-16055: ---------------------------------------------- Assignee: Kohei Nozaki (was: Kohei Nozaki) > Thread unsafe use of HashMap stored in QueryableStoreProvider#storeProviders > ---------------------------------------------------------------------------- > > Key: KAFKA-16055 > URL: https://issues.apache.org/jira/browse/KAFKA-16055 > Project: Kafka > Issue Type: Bug > Components: streams > Affects Versions: 3.6.1 > Reporter: Kohei Nozaki > Assignee: Kohei Nozaki > Priority: Minor > Labels: newbie, newbie++ > Fix For: 3.8.0 > > > This was originally raised in [a kafka-users > post|https://lists.apache.org/thread/gpct1275bfqovlckptn3lvf683qpoxol]. > There is a HashMap stored in QueryableStoreProvider#storeProviders ([code > link|https://github.com/apache/kafka/blob/3.6.1/streams/src/main/java/org/apache/kafka/streams/state/internals/QueryableStoreProvider.java#L39]) > which can be mutated by a KafkaStreams#removeStreamThread() call. This can > be problematic when KafkaStreams#store is called from a separate thread. > We need to somehow make this part of code thread-safe by replacing it by > ConcurrentHashMap or/and using an existing locking mechanism. -- This message was sent by Atlassian Jira (v8.20.10#820010)