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https://issues.apache.org/jira/browse/GEODE-5337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16520201#comment-16520201
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Juan José Ramos Cassella commented on GEODE-5337:
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This certainly seems to be a bug within the documentation.
The source code explicitly includes the {{endPort}} value as part of the
possible options, and this algorithm hasn't changed since the very beginning:
{code:java}
public static int getRandomAvailablePortInRange(int rangeBase, int rangeTop,
int protocol) {
int numberOfPorts = rangeTop - rangeBase;
// do "5 times the numberOfPorts" iterations to select a port number. This
will ensure that
// each of the ports from given port range get a chance at least once
int numberOfRetrys = numberOfPorts * 5;
for (int i = 0; i < numberOfRetrys; i++) {
int port = rand.nextInt(numberOfPorts + 1) + rangeBase;// add 1 to
numberOfPorts so that
// rangeTop also
gets included
if (isPortAvailable(port, protocol, getAddress(protocol))) {
return port;
}
}
return -1;
}
{code}
> Geode1.5 end-port is not exclusive when creating a gateway-receiver
> --------------------------------------------------------------------
>
> Key: GEODE-5337
> URL: https://issues.apache.org/jira/browse/GEODE-5337
> Project: Geode
> Issue Type: Bug
> Components: docs
> Reporter: Cui Chenxiao
> Priority: Major
> Fix For: 1.5.0
>
>
> When created, a gateway-receiver shall be assign a range of port to use.
> In document
> [http://geode.apache.org/docs/guide/16/tools_modules/gfsh/command-pages/create.html#topic_a4x_pb1_dk],
> the description for --end-port says "The {{ENDPORT}} value is exclusive
> while the {{STARTPORT}} value is inclusive. ".
>
> However, sometimes, the port number of endport is also assigned to receiver
> anyway. Beside, in code for gatewayreceiver, the endport will be randomly
> assigned to receiver.
>
> I supposed this shall be a document bug.
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