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From "Trejkaz (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DERBY-6796) Impossible to define new sub-subprotocols
Date Wed, 25 Feb 2015 22:51:04 GMT
Trejkaz created DERBY-6796:
------------------------------

             Summary: 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


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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