[jcifs] NtlmHttpFilter problem

[Sirpa Torkkeli]

I am using jcifs_1.1.0. Can anyone tell me what to do or is this fixed in 
newer versions?

Occasionally filter throws exception as follows:
NtlmHttpFilter]: filter is unavailable.]: 
java.util.ConcurrentModificationException
at java.util.LinkedList$ListItr.checkForComodification(LinkedList.java(Inlined 
Compiled Code)) at java.util.LinkedList$ListItr.next(LinkedList.java(Compiled 
Code)) at jcifs.smb.SmbTransport.getSmbSession(SmbTransport.java(Compiled 
Code)) at jcifs.smb.SmbSession.logon(SmbSession.java(Inlined Compiled Code)) 
at jcifs.smb.SmbSession.logon(SmbSession.java(Inlined Compiled Code)) at 
fi.wmdata.keva.lahete.web.filter.LahetelomakeNtlmHttpFilter.doFilter(Unknown 
Source)(Compiled Code) at 
com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter
(FilterInstanceWrapper.java(Compiled Code)) at 
com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter
(WebAppFilterChain.java(Compiled Code)) at 
fi.wmdata.keva.lahete.web.filter.ValidateEnvironmentFilter.doFilter(Unknown 
Source)(Compiled Code) at 
com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter
(FilterInstanceWrapper.java(Compiled Code)) at 
com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter
(WebAppFilterChain.java(Compiled Code)) at 
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch
(WebAppRequestDispatcher.java(Compiled Code)) at 
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch
(WebAppRequestDispatcher.java(Compiled Code)) at 
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward
(WebAppRequestDispatcher.java(Compiled Code)) at 
com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java
(Compiled Code)) at 
com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook
(WebAppInvoker.java(Compiled Code)) at 
com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation
(CachedInvocation.java(Compiled Code)) at 
com.ibm.ws.webcontainer.cache.invocation.CacheableInvocationContext.invoke
(CacheableInvocationContext.java(Compiled Code)) at 
com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI
(ServletRequestProcessor.java(Compiled Code)) at 
com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service
(OSEListener.java(Compiled Code)) at 
com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java
(Compiled Code)) at com.ibm.ws.http.HttpConnection.readAndHandleRequest
(HttpConnection.java(Compiled Code)) at com.ibm.ws.http.HttpConnection.run
(HttpConnection.java(Compiled Code)) at com.ibm.ws.util.ThreadPool$Worker.run
(ThreadPool.java(Compiled Code))