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https://issues.apache.org/jira/browse/JCR-3318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13280902#comment-13280902
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Sascha Theves commented on JCR-3318:
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That is a general problem when trying to store binary values that can`t be
stored due to some database/table size limitations.
> BLOB not stored and no exception thrown
> ---------------------------------------
>
> Key: JCR-3318
> URL: https://issues.apache.org/jira/browse/JCR-3318
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Components: jackrabbit-core
> Affects Versions: 2.2.10
> Reporter: Sascha Theves
>
> Configure Jackrabbit to use a DbDatastore and a MySQL database to store the
> content. Now, if do not configure the max_packet_size in MySQL you can only
> store Blobs that are smaller than 1MB (default). If you now add a Node in
> Jackrabbit that has a binary property and try to store a Blob larger than
> 1MB. Jackrabbit gets now a SQLException for the first time it tries to store
> the binary value. But there is failover mechanism implemented that now tries
> to persist the bin value for a second time. Now storing the value works
> because the InputStream has hit its end and there are no bytes left. That
> results now in an empty binary value that is stored and the client doesn`t
> get informed about that.
> Same problem occurs if you hit the table space limit with an oracle database.
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