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https://issues.apache.org/jira/browse/JCR-1563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12593257#action_12593257
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Stefan Guggisberg commented on JCR-1563:
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i've stumbled over the same issue a couple of years ago;
i've chosen to serialize the byte[] (as jukka suggests),
see o.a.j.c.persistence.util.Serializer, line 226:
/**
* because writeUTF(String) has a size limit of 65k,
* Strings are serialized as <length><byte[]>
*/
//out.writeUTF(val.toString()); // value
byte[] bytes = val.toString().getBytes(ENCODING);
out.writeInt(bytes.length); // lenght of byte[]
out.write(bytes); // byte[]
> Data Store: UTFDataFormatException when using large minRecordLength
> -------------------------------------------------------------------
>
> Key: JCR-1563
> URL: https://issues.apache.org/jira/browse/JCR-1563
> Project: Jackrabbit
> Issue Type: Bug
> Reporter: Thomas Mueller
> Priority: Minor
>
> If using a value larger than 33000 for minRecordLength, and then trying to
> store a value with 33000 bytes, the following exception is thrown:
> UTFDataFormatException. The reason is that values are serialized using
> DataOutputStream.writeUTF. There is size limitation of 65 K when using this
> method. Small entries are hex encoded, and there is a prefix, so the
> limitation for minRecordLength should be 32000.
> This is a problem for both FileDataStore and DbDataStore.
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