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https://issues.apache.org/jira/browse/DERBY-3578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12583599#action_12583599
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John H. Embretsen commented on DERBY-3578:
------------------------------------------

Yes, the javadoc comment was intentional, although I should have mentioned it 
here explicitly. The comment applies to both this method (attribute) as well as 
other methods, and simply mentions in the overview that granting 
SystemPermission may be required when using a security manager.

> DrdaStreamOutBufferSize attribute of NetworkServerMBean should be of type int 
> instead of String
> -----------------------------------------------------------------------------------------------
>
>                 Key: DERBY-3578
>                 URL: https://issues.apache.org/jira/browse/DERBY-3578
>             Project: Derby
>          Issue Type: Improvement
>          Components: JMX
>    Affects Versions: 10.4.0.0, 10.5.0.0
>         Environment: N/A
>            Reporter: John H. Embretsen
>            Assignee: John H. Embretsen
>            Priority: Minor
>             Fix For: 10.4.1.0, 10.5.0.0
>
>         Attachments: d3578_v01.diff
>
>
> The DrdaStreamOutBufferSize attribute of 
> org.apache.derby.mbeans.drda.NetworkServerMBean is currently of type String. 
> The value of this attribute describes the size of the buffer for streaming 
> blob/clob from server to client (derby.drda.streamOutBufferSize property), 
> and is handled as an integer (int) in the DDMWriter class of the Network 
> Server.
> The type was changed to int in the functional specification of DERBY-1387 
> [1], since no reason was found for this to be a String. Similar attributes, 
> such as DrdaMaxThreads, have return type int. It may useful for a JMX client 
> to know that the value should be an int instead of just any arbitrary string; 
> hence this change.
> [1]: 
> https://issues.apache.org/jira/browse/DERBY-1387?focusedCommentId=12571899#action_12571899

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