After upgrade of Subversion plugin from 1.17 to 1.21, every access to svn (including polling) results in "Unable to locate a login configuration".

Started by user anonymous
FATAL: Unable to locate a login configuration
java.lang.SecurityException: Unable to locate a login configuration
at com.sun.security.auth.login.ConfigFile.<init>(Unknown Source)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at javax.security.auth.login.Configuration$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.login.Configuration.getConfiguration(Unknown Source)
at javax.security.auth.login.LoginContext$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.login.LoginContext.init(Unknown Source)
at javax.security.auth.login.LoginContext.<init>(Unknown Source)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPNegotiateAuthentication.initializeSubject(HTTPNegotiateAuthentication.java:139)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPNegotiateAuthentication.needsLogin(HTTPNegotiateAuthentication.java:241)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:535)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:275)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:263)
at org.tmatesoft.svn.core.internal.io.dav.DAVConnection.exchangeCapabilities(DAVConnection.java:516)
at org.tmatesoft.svn.core.internal.io.dav.DAVConnection.open(DAVConnection.java:98)
at org.tmatesoft.svn.core.internal.io.dav.DAVRepository.openConnection(DAVRepository.java:1001)
at org.tmatesoft.svn.core.internal.io.dav.DAVRepository.testConnection(DAVRepository.java:97)
at hudson.scm.SubversionSCM$DescriptorImpl.checkRepositoryPath(SubversionSCM.java:1885)
at hudson.scm.SubversionSCM.repositoryLocationsNoLongerExist(SubversionSCM.java:2051)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:580)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:545)
at hudson.model.AbstractProject.checkout(AbstractProject.java:1054)
at hudson.model.AbstractBuild$AbstractRunner.checkout(AbstractBuild.java:479)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:411)
at hudson.model.Run.run(Run.java:1248)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:129)
Caused by: java.io.IOException: Unable to locate a login configuration
at com.sun.security.auth.login.ConfigFile.init(Unknown Source)
... 34 more