[infinispan-issues] [JBoss JIRA] (ISPN-7209) Collation not set properly when data stored via Hot Rod when JdbcStringBasedStore is used with MariaDB

Ryan Emerson (JIRA) issues at jboss.org
Fri Dec 2 10:30:00 EST 2016


    [ https://issues.jboss.org/browse/ISPN-7209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13333220#comment-13333220 ] 

Ryan Emerson commented on ISPN-7209:
------------------------------------

[~jholusa] Which JDBC driver are you using, MariaDB or MYSQL? So far I have been able to reproduce this (and other errors) when using the MariaDB JDBC driver in embedded mode as well as the server. However, I have been unable to reproduce any errors when using the MySQL JDBC driver to connect to a MariaDB instance.

> Collation not set properly when data stored via Hot Rod when JdbcStringBasedStore is used with MariaDB
> ------------------------------------------------------------------------------------------------------
>
>                 Key: ISPN-7209
>                 URL: https://issues.jboss.org/browse/ISPN-7209
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Loaders and Stores
>    Affects Versions: 9.0.0.Alpha4
>            Reporter: Jiří Holuša
>            Assignee: Ryan Emerson
>
> Given following scenario:
> 1) store entry to ISPN server via Hot Rod (e.g. with RemoteCache)
> 2) have the server configured to use JdbcStringBasedStore
> 3) used database is MariaDB 10
> Following exception is thrown:
> {code}
> ERROR [org.infinispan.persistence.jdbc.stringbased.JdbcStringBasedStore] (HotRodServerHandler-3-2) ISPN008024: Error while storing string key to database; key: '9A09AJAAAAAAAAA==': java.sql.BatchUpdateException: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation '='
> {code}
> Note that his doesn't happen when stored via, for example, Memcached client. Also this issue doesn't appear in library mode, doesn't appear in any with any other database (including MySQL, which is very similar to MariaDB).



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