Nullpointer Exception in String Tokenizer

Hi there!

I run into the following exception. Afterwards I am unable to connect  
(same error message all the time it seems).

Apart from that, I sometimes get "Tree-Node already exists" when  
opening the connection.


09:48:23,069 ERROR [STDERR] java.lang.NullPointerException
09:48:23,069 ERROR [STDERR]     at java.util.StringTokenizer.<init> 
(StringTokenizer.java:182)
09:48:23,069 ERROR [STDERR]     at java.util.StringTokenizer.<init> 
(StringTokenizer.java:204)
09:48:23,069 ERROR [STDERR]     at  
org.apache.slide.common.UriPath.<init>(UriPath.java:45)
09:48:23,070 ERROR [STDERR]     at  
org.apache.slide.structure.ObjectNode.getPath(ObjectNode.java:556)
09:48:23,070 ERROR [STDERR]     at  
org.apache.slide.structure.ObjectNode.addChild(ObjectNode.java:475)
09:48:23,070 ERROR [STDERR]     at  
org.apache.slide.simple.store.WebdavStoreAdapter 
$TransactionId.retrieveObject(WebdavStoreAdapter.java:736)
09:48:23,070 ERROR [STDERR]     at  
org.apache.slide.simple.store.WebdavStoreAdapter.retrieveObject 
(WebdavStoreAdapter.java:288)
09:48:23,070 ERROR [STDERR]     at  
org.apache.slide.store.AbstractStore.retrieveObject 
(AbstractStore.java:699)
09:48:23,070 ERROR [STDERR]     at  
org.apache.slide.store.ExtendedStore.retrieveObject 
(ExtendedStore.java:605)
09:48:23,070 ERROR [STDERR]     at  
org.apache.slide.structure.StructureImpl.retrieve(StructureImpl.java: 
175)
09:48:23,070 ERROR [STDERR]     at  
org.apache.slide.structure.StructureImpl.retrieve(StructureImpl.java: 
157)
09:48:23,070 ERROR [STDERR]     at  
org.apache.slide.webdav.method.AbstractWebdavMethod.executeRedirect 
(AbstractWebdavMethod.java:506)
09:48:23,070 ERROR [STDERR]     at  
org.apache.slide.webdav.method.AbstractWebdavMethod.run 
(AbstractWebdavMethod.java:416)
09:48:23,070 ERROR [STDERR]     at  
org.apache.slide.webdav.WebdavServlet.service(WebdavServlet.java:151)
09:48:23,071 ERROR [STDERR]     at  
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
09:48:23,071 ERROR [STDERR]     at  
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter 
(ApplicationFilterChain.java:290)
09:48:23,071 ERROR [STDERR]     at  
org.apache.catalina.core.ApplicationFilterChain.doFilter 
(ApplicationFilterChain.java:206)
09:48:23,071 ERROR [STDERR]     at  
org.apache.slide.webdav.filter.LogFilter.doFilter(LogFilter.java:147)
09:48:23,071 ERROR [STDERR]     at  
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter 
(ApplicationFilterChain.java:235)
09:48:23,071 ERROR [STDERR]     at  
org.apache.catalina.core.ApplicationFilterChain.doFilter 
(ApplicationFilterChain.java:206)
09:48:23,071 ERROR [STDERR]     at  
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter 
(ReplyHeaderFilter.java:96)
09:48:23,071 ERROR [STDERR]     at  
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter 
(ApplicationFilterChain.java:235)
09:48:23,071 ERROR [STDERR]     at  
org.apache.catalina.core.ApplicationFilterChain.doFilter 
(ApplicationFilterChain.java:206)
09:48:23,071 ERROR [STDERR]     at  
org.apache.catalina.core.StandardWrapperValve.invoke 
(StandardWrapperValve.java:230)
09:48:23,071 ERROR [STDERR]     at  
org.apache.catalina.core.StandardContextValve.invoke 
(StandardContextValve.java:175)
09:48:23,071 ERROR [STDERR]     at  
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke 
(SecurityAssociationValve.java:179)
09:48:23,071 ERROR [STDERR]     at  
org.apache.catalina.authenticator.AuthenticatorBase.invoke 
(AuthenticatorBase.java:525)
09:48:23,072 ERROR [STDERR]     at  
org.jboss.web.tomcat.security.JaccContextValve.invoke 
(JaccContextValve.java:84)
09:48:23,072 ERROR [STDERR]     at  
org.apache.catalina.core.StandardHostValve.invoke 
(StandardHostValve.java:128)
09:48:23,072 ERROR [STDERR]     at  
org.apache.catalina.valves.ErrorReportValve.invoke 
(ErrorReportValve.java:104)
09:48:23,072 ERROR [STDERR]     at  
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke 
(CachedConnectionValve.java:156)
09:48:23,072 ERROR [STDERR]     at  
org.apache.catalina.core.StandardEngineValve.invoke 
(StandardEngineValve.java:109)
09:48:23,072 ERROR [STDERR]     at  
org.apache.catalina.connector.CoyoteAdapter.service 
(CoyoteAdapter.java:241)
09:48:23,072 ERROR [STDERR]     at  
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java: 
844)
09:48:23,072 ERROR [STDERR]     at  
org.apache.coyote.http11.Http11Protocol 
$Http11ConnectionHandler.process(Http11Protocol.java:580)
09:48:23,072 ERROR [STDERR]     at  
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
09:48:23,072 ERROR [STDERR]     at java.lang.Thread.run(Thread.java:613)