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https://issues.apache.org/jira/browse/OPENJPA-3061?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Maxim Solodovnik resolved OPENJPA-3061.
---------------------------------------
Resolution: Fixed
> MariaDB: writing a Reader into a CLOB fails with
> ArrayIndexOutOfBoundsException
> -------------------------------------------------------------------------------
>
> Key: OPENJPA-3061
> URL: https://issues.apache.org/jira/browse/OPENJPA-3061
> Project: OpenJPA
> Issue Type: Bug
> Components: jdbc
> Reporter: Richard Zowalla
> Assignee: Richard Zowalla
> Priority: Major
> Fix For: 4.2.0
>
>
> Writing a {{Reader}} into a CLOB field fails on MariaDB:
> {noformat}
> java.lang.ArrayIndexOutOfBoundsException: arraycopy: last destination index
> 8193 out of bounds for byte[8192]
> at
> org.mariadb.jdbc.MariaDbBlob$BlobOutputStream.write(MariaDbBlob.java:448)
> at java.io.OutputStreamWriter.write(OutputStreamWriter.java:206)
> at org.apache.openjpa.jdbc.sql.DBDictionary.copy(DBDictionary.java:5947)
> at
> org.apache.openjpa.jdbc.sql.DBDictionary.updateClob(DBDictionary.java:5911)
> at
> org.apache.openjpa.jdbc.meta.strats.LobFieldStrategy.customInsert(LobFieldStrategy.java:128)
> {noformat}
> {{DBDictionary.updateClob}} selects the row with an updatable result set,
> gets the {{Clob}} and writes through {{Clob.setCharacterStream(1)}}. The
> writer returned by MariaDB Connector/J 3.5.11 overruns its own buffer once
> more than 8 KB is written. Writing an {{InputStream}} into a BLOB works.
> The LOB tests ({{AbstractLobTest}}, {{TestReaderLob}},
> {{TestInputStreamLob}}) only run on MySQL and DB2, so this was not noticed.
> {{TestReaderLob}} fails on MariaDB 12.3 with 12 errors when MariaDB is added
> to the supported databases.
> Found while working on OPENJPA-3060.
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