<?xml version="1.0" encoding="UTF-8"?>
<authentication-client xmlns="urn:elytron:1.0">
    <authentication-configurations>
        <configuration name="set-host-to-localhost">
            <set-host name="localhost"/>
        </configuration>
    </authentication-configurations>
    <authentication-rules>
        <rule use-configuration="set-host-to-localhost">
            <match-host name="::1"/>
        </rule>
    </authentication-rules>
</authentication-client> 

java.lang.IllegalArgumentException: ELY01029: Invalid host specification "::1"
	at org.wildfly.security.auth.client.MatchHostRule.<init>(MatchHostRule.java:39)
	at org.wildfly.security.auth.client.MatchRule.matchHost(MatchRule.java:411)
	at org.wildfly.security.auth.client.ElytronXmlParser.parseAbstractMatchRuleType(ElytronXmlParser.java:701)
	at org.wildfly.security.auth.client.ElytronXmlParser.parseAuthenticationRuleType(ElytronXmlParser.java:467)
	at org.wildfly.security.auth.client.ElytronXmlParser.parseRulesType(ElytronXmlParser.java:484)
	at org.wildfly.security.auth.client.ElytronXmlParser.parseAuthenticationClientType(ElytronXmlParser.java:241)
	at org.wildfly.security.auth.client.ElytronXmlParser.parseAuthenticationClientConfiguration(ElytronXmlParser.java:169)
	at org.wildfly.security.auth.client.XmlConfigurationTest.testMatcHostRuleConfiguration(XmlConfigurationTest.java:175)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:367)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:274)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:161)
	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:290)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:242)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:121)