Here is the entire error log
Any hint where to look exactly?
javax.naming.directory.InvalidSearchFilterException: invalid attribute description; remaining name ‘’
at com.sun.jndi.ldap.Filter.encodeSimpleFilter(Filter.java:437)
at com.sun.jndi.ldap.Filter.encodeFilter(Filter.java:146)
at com.sun.jndi.ldap.Filter.encodeFilterList(Filter.java:741)
at com.sun.jndi.ldap.Filter.encodeComplexFilter(Filter.java:657)
at com.sun.jndi.ldap.Filter.encodeFilter(Filter.java:104)
at com.sun.jndi.ldap.Filter.encodeFilterString(Filter.java:74)
at com.sun.jndi.ldap.LdapClient.search(LdapClient.java:547)
at com.sun.jndi.ldap.LdapCtx.doSearch(LdapCtx.java:1985)
at com.sun.jndi.ldap.LdapCtx.searchAux(LdapCtx.java:1847)
at com.sun.jndi.ldap.LdapCtx.c_search(LdapCtx.java:1772)
at com.sun.jndi.toolkit.ctx.ComponentDirContext.p_search(ComponentDirContext.java: 386)
at com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.search(PartialCompositeDirC ontext.java:356)
at com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.search(PartialCompositeDirC ontext.java:339)
at javax.naming.directory.InitialDirContext.search(InitialDirContext.java:267)
at org.jivesoftware.openfire.ldap.LdapManager.retrieveList(LdapManager.java:1879)
at org.jivesoftware.openfire.ldap.LdapGroupProvider.search(LdapGroupProvider.java: 174)
at org.jivesoftware.openfire.group.GroupManager.search(GroupManager.java:515)
at org.jivesoftware.openfire.roster.Roster.provideRosterItem(Roster.java:330)
at org.jivesoftware.openfire.roster.Roster.createRosterItem(Roster.java:311)
at org.jivesoftware.openfire.handler.IQRosterHandler.manageRoster(IQRosterHandler. java:243)
at org.jivesoftware.openfire.handler.IQRosterHandler.handleIQ(IQRosterHandler.java :122)
at org.jivesoftware.openfire.handler.IQHandler.process(IQHandler.java:65)
at org.jivesoftware.openfire.IQRouter.handle(IQRouter.java:374)
at org.jivesoftware.openfire.IQRouter.route(IQRouter.java:121)
at org.jivesoftware.openfire.spi.PacketRouterImpl.route(PacketRouterImpl.java:76)
at org.jivesoftware.openfire.net.StanzaHandler.processIQ(StanzaHandler.java:337)
at org.jivesoftware.openfire.net.ClientStanzaHandler.processIQ(ClientStanzaHandler .java:93)
at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:302)
at org.jivesoftware.openfire.net.StanzaHandler.process(StanzaHandler.java:194)
at org.jivesoftware.openfire.nio.ConnectionHandler.messageReceived(ConnectionHandl er.java:181)
at org.apache.mina.common.support.AbstractIoFilterChain$TailFilter.messageReceived (AbstractIoFilterChain.java:570)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)
at org.apache.mina.common.IoFilterAdapter.messageReceived(IoFilterAdapter.java:80)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)
at org.apache.mina.filter.codec.support.SimpleProtocolDecoderOutput.flush(SimplePr otocolDecoderOutput.java:58)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecF ilter.java:185)
at org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(Ab stractIoFilterChain.java:299)
at org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilt erChain.java:53)
at org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceive d(AbstractIoFilterChain.java:648)
at org.apache.mina.filter.executor.ExecutorFilter.processEvent(ExecutorFilter.java :239)
at org.apache.mina.filter.executor.ExecutorFilter$ProcessEventsRunnable.run(Execut orFilter.java:283)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:51)
at java.lang.Thread.run(Thread.java:744)