java.nio.file.InvalidPathException: Illegal char ':' at krb5.conf

javax.security.auth.login.LoginException: 
java.nio.file.InvalidPathException: Illegal char <:> at index 2: /W:/workspace/wildfly-elytron-unit-tests/4ad7c91f/wildfly-elytron/target/test-classes/krb5.conf
	at java.base/sun.nio.fs.WindowsPathParser.normalize(WindowsPathParser.java:182)
	at java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:153)
	at java.base/sun.nio.fs.WindowsPathParser.parse(WindowsPathParser.java:77)
	at java.base/sun.nio.fs.WindowsPath.parse(WindowsPath.java:92)
	at java.base/sun.nio.fs.WindowsFileSystem.getPath(WindowsFileSystem.java:229)
	at java.base/java.nio.file.Paths.get(Paths.java:84)
	at java.security.jgss/sun.security.krb5.Config.lambda$loadConfigFile$0(Config.java:639)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:429)
	at java.security.jgss/sun.security.krb5.Config.loadConfigFile(Config.java:638)
	at java.security.jgss/sun.security.krb5.Config.<init>(Config.java:176)
	at java.security.jgss/sun.security.krb5.Config.refresh(Config.java:115)
	at jdk.security.auth/com.sun.security.auth.module.Krb5LoginModule.login(Krb5LoginModule.java:528)
	at java.base/javax.security.auth.login.LoginContext.invoke(LoginContext.java:726)
	at java.base/javax.security.auth.login.LoginContext.access$000(LoginContext.java:194)
	at java.base/javax.security.auth.login.LoginContext$4.run(LoginContext.java:665)
	at java.base/javax.security.auth.login.LoginContext$4.run(LoginContext.java:663)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:663)
	at java.base/javax.security.auth.login.LoginContext.login(LoginContext.java:574)
	at org.wildfly.security.sasl.gssapi.JaasUtil.login(JaasUtil.java:71)
	at org.wildfly.security.sasl.gssapi.JaasUtil.loginClient(JaasUtil.java:53)
	at org.wildfly.security.sasl.gs2.Gs2SuiteChild.init(Gs2SuiteChild.java:102)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at mockit.integration.junit4.internal.JUnit4TestRunnerDecorator.executeClassMethod(JUnit4TestRunnerDecorator.java:92)
	at mockit.integration.junit4.internal.JUnit4TestRunnerDecorator.invokeExplosively(JUnit4TestRunnerDecorator.java:30)
	at mockit.integration.junit4.internal.MockFrameworkMethod.invokeExplosively(MockFrameworkMethod.java:37)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.junit.runners.Suite.runChild(Suite.java:128)
	at org.junit.runners.Suite.runChild(Suite.java:27)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	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:363)
	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)

	at java.base/javax.security.auth.login.LoginContext.invoke(LoginContext.java:821)
	at java.base/javax.security.auth.login.LoginContext.access$000(LoginContext.java:194)
	at java.base/javax.security.auth.login.LoginContext$4.run(LoginContext.java:665)
	at java.base/javax.security.auth.login.LoginContext$4.run(LoginContext.java:663)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:663)
	at java.base/javax.security.auth.login.LoginContext.login(LoginContext.java:574)
	at org.wildfly.security.sasl.gssapi.JaasUtil.login(JaasUtil.java:71)
	at org.wildfly.security.sasl.gssapi.JaasUtil.loginClient(JaasUtil.java:53)
	at org.wildfly.security.sasl.gs2.Gs2SuiteChild.init(Gs2SuiteChild.java:102)