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From "Tiago R. Espinha (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-728) Unable to create databases whose name containg Chinese characters through the client driver
Date Fri, 18 Jun 2010 23:06:25 GMT

     [ https://issues.apache.org/jira/browse/DERBY-728?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tiago R. Espinha updated DERBY-728:
-----------------------------------

    Attachment: DERBY-728_p2.diff
                DERBY-728_p2-test.diff

Here are two refreshed patches after discussing the above issue with Kathey on IRC. We agreed
that the convertToUCS2 method should actually be called convertToJavaString as we have no
real requirement to have UCS2 Strings. As long as they are Java Strings, it should be fine
as they won't be sent over the network (not in UCS2 anyway).

With this change, the conversion in the Utf8CcsidManager also changes slightly in this patch.

I've also removed a leftover comment that shouldn't have stayed there.

It needs to be said that the naming change should also happen in the client's CcsidManager
classes, but I will keep this task for when I do the client changes.

I'll be running regressions again tonight and post the results in the morning.

> Unable to create databases whose name containg Chinese characters through the client
driver
> -------------------------------------------------------------------------------------------
>
>                 Key: DERBY-728
>                 URL: https://issues.apache.org/jira/browse/DERBY-728
>             Project: Derby
>          Issue Type: Bug
>          Components: Network Client
>    Affects Versions: 10.1.2.1
>         Environment: Debian unstable, LInux 2.6.14.2, libc 2.3.5-6
>            Reporter: Andrei Badea
>            Assignee: Tiago R. Espinha
>         Attachments: ACR7007.pdf, BigTableName.java, derby-728-startingpoint.diff, DERBY-728_p1.diff,
DERBY-728_p2-test.diff, DERBY-728_p2-test.diff, DERBY-728_p2.diff, DERBY-728_p2.diff, DERBY-728_p2.diff,
derby-728_proto_diff.txt
>
>
> Trying to create a database with the following URL (note the Chinese character in the
database name):
> jdbc:derby://localhost:1527/\u4e10;create=true
> throws the following exception:
> -----%<-----
> Exception in thread "main" org.apache.derby.client.am.SqlException: Unicode string can't
convert to Ebcdic string
>         at org.apache.derby.client.net.EbcdicCcsidManager.convertFromUCS2(Unknown Source)
>         at org.apache.derby.client.net.Request.writeScalarPaddedString(Unknown Source)
>         at org.apache.derby.client.net.NetConnectionRequest.buildRDBNAM(Unknown Source)
>         at org.apache.derby.client.net.NetConnectionRequest.buildACCSEC(Unknown Source)
>         at org.apache.derby.client.net.NetConnectionRequest.writeAccessSecurity(Unknown
Source)
>         at org.apache.derby.client.net.NetConnection.writeServerAttributesAndKeyExchange(Unknown
Source)
>         at org.apache.derby.client.net.NetConnection.flowServerAttributesAndKeyExchange(Unknown
Source)
>         at org.apache.derby.client.net.NetConnection.flowUSRIDONLconnect(Unknown Source)
>         at org.apache.derby.client.net.NetConnection.flowConnect(Unknown Source)
>         at org.apache.derby.client.net.NetConnection.<init>(Unknown Source)
>         at org.apache.derby.jdbc.ClientDriver.connect(Unknown Source)
>         at java.sql.DriverManager.getConnection(DriverManager.java:525)
>         at java.sql.DriverManager.getConnection(DriverManager.java:193)
>         at jdbctest.Main.main(Main.java:33)
> -----%<-----
> It's possible, however, to create databases using the embedded driver, using an URL like:
> jdbc:derby:\u4e10;create=true
> Tested with both 10.1.1.0 and 10.1.2.1 with the same result.
> Complete code to reproduce the bug:
> -----%<-----
> public static void main(String[] args) throws Exception {
>     Class.forName("org.apache.derby.jdbc.ClientDriver");
>     Connection conn = DriverManager.getConnection("jdbc:derby://localhost:1527/\u4e10;create=true");
> }
> -----%<-----

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