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https://issues.apache.org/jira/browse/DERBY-6796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14342015#comment-14342015
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Trejkaz commented on DERBY-6796:
--------------------------------
A functional test should be doable but it's going to involve setting a system
property. Hopefully that won't impact any other tests.
> Impossible to define new sub-subprotocols
> -----------------------------------------
>
> Key: DERBY-6796
> URL: https://issues.apache.org/jira/browse/DERBY-6796
> Project: Derby
> Issue Type: Bug
> Components: Miscellaneous
> Affects Versions: 10.9.1.0
> Reporter: Trejkaz
> Attachments: wrong-prefix-cut.patch
>
>
> We discovered this in 10.9.1.0 but I looked at the source in trunk and the
> issue is still there.
> To define a new sub-subprotocol (or I guess override an existing one?) by
> setting a system property, you are supposed to set
> "derby.subSubProtocol.myproto" with the name of your storage factory class as
> the value.
> Problem is, the way these are loaded strips the wrong prefix off the front of
> the string. BaseMonitor.java:
> {code}
> if (key.startsWith(Property.MODULE_PREFIX)) {
> tag = key.substring(Property.MODULE_PREFIX.length());
> } else if (key.startsWith(Property.SUB_SUB_PROTOCOL_PREFIX)) {
> tag = key.substring(Property.MODULE_PREFIX.length());
> } else {
> continue nextModule;
> }
> {code}
> So you get "rotocol.myproto" as the protocol you have to use in your
> connection strings.
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