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From "Myrna van Lunteren (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-3187) SimpleApp (demo) does not work in a client setting
Date Wed, 07 Nov 2007 18:06:52 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12540820
] 

Myrna van Lunteren commented on DERBY-3187:
-------------------------------------------

I tested that code, with IBM's implementation (weme6.1 - which is CDCFoundation 1.1), and
it worked fine.
I don't think an import statement by itself could cause a ClassDefNotFound, but the DriverManager
class is referenced in the demo...
I understand it's up to the JVM to delay loading of classes or not.

So, to make this safe in all JVMs, I think a separate simple demo for the mobile platform
sounds appropriate.

> SimpleApp (demo) does not work in a client setting
> --------------------------------------------------
>
>                 Key: DERBY-3187
>                 URL: https://issues.apache.org/jira/browse/DERBY-3187
>             Project: Derby
>          Issue Type: Sub-task
>          Components: Demos/Scripts
>    Affects Versions: 10.3.1.4
>         Environment: derbyclient (no derby.jar in the classpath)
>            Reporter: John H. Embretsen
>            Assignee: John H. Embretsen
>
> Since J2ME support was added to the simple demo (bin-releases: demo/programs/simple/SimpleApp.java)
in DERBY-2216 (first available in 10.3.1.4), the demo has not worked in a pure client setting
as described in the documentation (bin-releases: demo/programs/simple/example.html). This
is a regression from 10.2.2.0.
> $ export CLASSPATH=.:$DERBY_INSTALL/lib/derbyclient.jar
> $ cd $DERBY_INSTALL/demo/programs/simple
> 10.2.2.0:
> $ java SimpleApp derbyclient
> SimpleApp starting in derbyclient mode.
> Loaded the appropriate driver.
> Connected to and created database derbyDB
> Created table derbyDB
> Inserted 1956 Webster
> Inserted 1910 Union
> Updated 1956 Webster to 180 Grand
> Updated 180 Grand to 300 Lakeshore
> Verified the rows
> Dropped table derbyDB
> Closed result set and statement
> Committed transaction and closed connection
> SimpleApp finished
> 10.3.1.4:
> $ java SimpleApp derbyclient
> Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/derby/jdbc/EmbeddedSimpleDataSource

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