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Sunny Chan updated IGNITE-6252: ------------------------------- Comment: was deleted (was: https://github.com/apache/ignite/pull/2583) > Cassandra Cache Store Session does not retry if prepare statement failed > ------------------------------------------------------------------------ > > Key: IGNITE-6252 > URL: https://issues.apache.org/jira/browse/IGNITE-6252 > Project: Ignite > Issue Type: Bug > Components: cassandra > Affects Versions: 2.0, 2.1 > Reporter: Sunny Chan > > During our testing, we have found that certain warning about prepared > statement: > 2017-08-31 11:27:19.479 > org.apache.ignite.cache.store.cassandra.CassandraCacheStore > flusher-0-#265%xxxx% WARN CassandraCacheStore - Prepared statement cluster > error detected, refreshing Cassandra session > com.datastax.driver.core.exceptions.InvalidQueryException: Tried to execute > unknown prepared query : 0xc7647611fd755386ef63478ee7de577b. You may have > used a PreparedStatement that was created with another Cluster instance. > We notice that after this warning occurs some of the data didn't persist > properly in cassandra cache. After further examining the Ignite's > CassandraSessionImpl code in method > execute(BatchExecutionAssistance,Iterable), we found that at around [line > 283|https://github.com/apache/ignite/blob/86bd544a557663bce497134f7826be6b24d53330/modules/cassandra/store/src/main/java/org/apache/ignite/cache/store/cassandra/session/CassandraSessionImpl.java#L283], > if the prepare statement fails in the asnyc call, it will not retry the > operation as the error is stored in [line > 269|https://github.com/apache/ignite/blob/86bd544a557663bce497134f7826be6b24d53330/modules/cassandra/store/src/main/java/org/apache/ignite/cache/store/cassandra/session/CassandraSessionImpl.java#L269] > and cleared in [line > 277|https://github.com/apache/ignite/blob/86bd544a557663bce497134f7826be6b24d53330/modules/cassandra/store/src/main/java/org/apache/ignite/cache/store/cassandra/session/CassandraSessionImpl.java#L277] > but it was not checked again after going through the [ResultSetFuture > |https://github.com/apache/ignite/blob/86bd544a557663bce497134f7826be6b24d53330/modules/cassandra/store/src/main/java/org/apache/ignite/cache/store/cassandra/session/CassandraSessionImpl.java#L307]. > I believe in line 307 you should check for error != null such that any > failure will be retry. -- This message was sent by Atlassian JIRA (v6.4.14#64029)