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https://issues.apache.org/jira/browse/DERBY-4805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13888084#comment-13888084
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Mamta A. Satoor commented on DERBY-4805:
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Looking at just part of the stack trace above, it seems like even for in memory
db, we are trying to go through Windows file system api which has limitation on
how long the file name can be,
Caused by: java.io.IOException: The parameter is incorrect.
at java.io.Win32FileSystem.canonicalize(Win32FileSystem.java:407)
at java.io.File.getCanonicalPath(File.java:570)
at
org.apache.derby.impl.io.VFMemoryStorageFactory.init(VFMemoryStorageFactory.java:109)
at
org.apache.derby.impl.services.monitor.StorageFactoryService.privGetStorageFactoryInstance(StorageFactoryService.java:215)
> Increase the length of the RDBNAM field in the DRDA implementation
> ------------------------------------------------------------------
>
> Key: DERBY-4805
> URL: https://issues.apache.org/jira/browse/DERBY-4805
> Project: Derby
> Issue Type: Improvement
> Components: Network Client, Network Server
> Affects Versions: 10.7.1.1
> Reporter: Tiago R. Espinha
> Assignee: Mamta A. Satoor
> Labels: derby_triage10_9
> Attachments: DERBY4805_patch2_diff.txt, DERBY4805_patch2_stat.txt,
> DERBY4805_patch3_diff.txt, DERBY4805_patch3_stat.txt,
> DERBY_4805_diff_patch1.txt
>
>
> Currently, whenever the client driver is used, there is a limit of 255 bytes
> for the database name. This is defined by the DRDA spec and there has been a
> discussion on the list [1]/[2] as to whether this limit should be raised due
> to the introduction of the new ACR that allows for UTF-8 characters.
> UTF-8 characters can take up to four bytes and this reduces the limit in
> characters dramatically.
> This should be an easy change as there is a codepoint that defines this limit.
> [1] did not work but [2] did
> [1] - http://old.nabble.com/Database-name-length-tt29691419.html
> [2]http://apache-database.10148.n7.nabble.com/Database-name-length-td33182.html
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