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Posted to issues@commons.apache.org by "Kevin Schmidt (JIRA)" <ji...@apache.org> on 2010/01/08 00:42:54 UTC
[jira] Created: (NET-305) SubnetUtils constructor fails on /32
subnets
SubnetUtils constructor fails on /32 subnets
--------------------------------------------
Key: NET-305
URL: https://issues.apache.org/jira/browse/NET-305
Project: Commons Net
Issue Type: Bug
Affects Versions: 2.0
Environment: All
Reporter: Kevin Schmidt
The following code:
SubnetUtils subnetUtils = new SubnetUtils("192.168.0.1/32");
throws the following exception:
Exception in thread "main" java.lang.IllegalArgumentException: Value [32] not in range (-1,31]
at org.apache.commons.net.util.SubnetUtils.rangeCheck(SubnetUtils.java:216)
at org.apache.commons.net.util.SubnetUtils.calculate(SubnetUtils.java:141)
at org.apache.commons.net.util.SubnetUtils.<init>(SubnetUtils.java:46)
at com.gs.configmgt.proteus.model.impl.TestTest.main(TestTest.java:12)
/32 is a perfectly valid subnet of one host. See wikipedia for verification: http://en.wikipedia.org/wiki/IPv4_subnetting_reference.
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[jira] Closed: (NET-305) SubnetUtils constructor fails on /32
subnets
Posted by "Rory Winston (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/NET-305?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rory Winston closed NET-305.
----------------------------
Resolution: Fixed
Fix Version/s: 2.1
God spot, thanks. I've added a method
SubnetUtils::setInclusiveHostCount(boolean)
which will make SubnetUtils work exactly as shown in the Wikipedia table. I've also added all of the cases in that Wikipedia page to a test case.
Thanks!
> SubnetUtils constructor fails on /32 subnets
> --------------------------------------------
>
> Key: NET-305
> URL: https://issues.apache.org/jira/browse/NET-305
> Project: Commons Net
> Issue Type: Bug
> Affects Versions: 2.0
> Environment: All
> Reporter: Kevin Schmidt
> Fix For: 2.1
>
>
> The following code:
> SubnetUtils subnetUtils = new SubnetUtils("192.168.0.1/32");
> throws the following exception:
> Exception in thread "main" java.lang.IllegalArgumentException: Value [32] not in range (-1,31]
> at org.apache.commons.net.util.SubnetUtils.rangeCheck(SubnetUtils.java:216)
> at org.apache.commons.net.util.SubnetUtils.calculate(SubnetUtils.java:141)
> at org.apache.commons.net.util.SubnetUtils.<init>(SubnetUtils.java:46)
> at com.gs.configmgt.proteus.model.impl.TestTest.main(TestTest.java:12)
> /32 is a perfectly valid subnet of one host. See wikipedia for verification: http://en.wikipedia.org/wiki/IPv4_subnetting_reference.
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