Today we have updated the active-directory plugin from 1.30 to 1.31 and, after jenkins restart, we got the following error

Apr 22, 2013 7:51:05 AM hudson.security.AuthenticationProcessingFilter2 onUnsuccessfulAuthentication
INFO: Login attempt failed
org.acegisecurity.BadCredentialsException: Failed to retrieve user information for daniel; nested exception is javax.naming.InvalidNameException: CN=Info Desenv - Daniel,OU=Desenvolvimento,OU=Inform\u00E1tica,OU=Administra\u00E7\u00E3o,DC=ciaXXXXX,DC=com,DC=br: [LDAP: error code 34 - 0000208F: LdapErr: DSID-0C09070B, comment: Error processing name, data 0, v1772]; remaining name 'CN=Info Desenv - Daniel,OU=Desenvolvimento,OU=Inform\u00E1tica,OU=Administra\u00E7\u00E3o,DC=ciaXXXXX,DC=com,DC=br'
at hudson.plugins.active_directory.ActiveDirectoryUnixAuthenticationProvider.retrieveUser(ActiveDirectoryUnixAuthenticationProvider.java:309)
at hudson.plugins.active_directory.ActiveDirectoryUnixAuthenticationProvider.retrieveUser(ActiveDirectoryUnixAuthenticationProvider.java:193)
at hudson.plugins.active_directory.ActiveDirectoryUnixAuthenticationProvider.retrieveUser(ActiveDirectoryUnixAuthenticationProvider.java:137)
at org.acegisecurity.providers.dao.AbstractUserDetailsAuthenticationProvider.authenticate(AbstractUserDetailsAuthenticationProvider.java:122)
at org.acegisecurity.providers.ProviderManager.doAuthentication(ProviderManager.java:200)
at org.acegisecurity.AbstractAuthenticationManager.authenticate(AbstractAuthenticationManager.java:47)
at org.acegisecurity.ui.webapp.AuthenticationProcessingFilter.attemptAuthentication(AuthenticationProcessingFilter.java:74)
at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:252)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
at org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:174)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:64)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:67)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:50)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:309)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)
Caused by: javax.naming.InvalidNameException: CN=Info Desenv - Daniel,OU=Desenvolvimento,OU=Inform\u00E1tica,OU=Administra\u00E7\u00E3o,DC=ciaXXXXX,DC=com,DC=br: [LDAP: error code 34 - 0000208F: LdapErr: DSID-0C09070B, comment: Error processing name, data 0, v1772]; remaining name 'CN=Info Desenv - Daniel,OU=Desenvolvimento,OU=Inform\u00E1tica,OU=Administra\u00E7\u00E3o,DC=ciaXXXXX,DC=com,DC=br'
at com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:3025)
at com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:2840)
at com.sun.jndi.ldap.LdapCtx.c_getAttributes(LdapCtx.java:1332)
at com.sun.jndi.toolkit.ctx.ComponentDirContext.p_getAttributes(ComponentDirContext.java:231)
at com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.getAttributes(PartialCompositeDirContext.java:139)
at com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.getAttributes(PartialCompositeDirContext.java:127)
at hudson.plugins.active_directory.ActiveDirectoryUnixAuthenticationProvider.resolveGroups(ActiveDirectoryUnixAuthenticationProvider.java:373)
at hudson.plugins.active_directory.ActiveDirectoryUnixAuthenticationProvider.retrieveUser(ActiveDirectoryUnixAuthenticationProvider.java:293)
... 39 more

As an temporary workaround we had to downgrade the active directory plugin to 1.30 manually.