Hello! Thanks for u reply.
I use HikariCP connection pool so I always get connection from the pool and
return it after I use it.Finally I use two separated pool to avoid this
error.
ilya.kasnacheev wrote
> Hello!
>
> Only thing I can think of that maybe you're not releasing your connections
> properly, end up using same connection from two threads at the same time.
>
> Regards,
> --
> Ilya Kasnacheev
>
>
> вт, 7 мая 2019 г. в 07:03, yangjiajun <
> 1371549332@
>>:
>
>> Hello.
>>
>> I use jdbc thin connections.I also use HikariCP 3.3.1.
>> I use flowing code to check if a table exists:
>>
>> try (ResultSet rs = conn.getMetaData().getTables(
>> null, null, tableName, new String[]
>> {"TABLE"})) {
>> return rs.next();
>> }
>>
>> But it sometimes throws exception:
>> java.lang.ClassCastException:
>>
>> org.apache.ignite.internal.processors.odbc.jdbc.JdbcOrderedBatchExecuteResult
>> cannot be cast to
>> org.apache.ignite.internal.processors.odbc.jdbc.JdbcMetaTablesResult at
>>
>> org.apache.ignite.internal.jdbc.thin.JdbcThinDatabaseMetadata.getTables(JdbcThinDatabaseMetadata.java:743)
>>
>> My ignite version is 2.7.0.How can I get rid of such issue?
>>
>>
>>
>> --
>> Sent from: http://apache-ignite-users.70518.x6.nabble.com/
>>
--
Sent from: http://apache-ignite-users.70518.x6.nabble.com/
