Victor Romero created NET-523:
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Summary: SubnetUtils constructor fails on /32 subnets
Key: NET-523
URL: https://issues.apache.org/jira/browse/NET-523
Project: Commons Net
Issue Type: Bug
Affects Versions: 2.0
Environment: All
Reporter: Victor Romero
Fix For: 2.2
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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