Hi Sean,
Thanks for your replied. I just double checked in my  LDAP configure file 
and I do have the correct information for "authentication-ld.id_field" 
Here is my LDap configuration file. 

authentication-ldap.enable = true
authentication-ldap.autoregister = true
authentication-ldap.provider_url = ldap://xx.xxx.x.x/
authentication-ld.id_field = XXXX
authentication-ldap.object_context = dc=aaa\,bb=ccccc\,dc=ca
authentication-ldap.search_context = dc=aaa\,bb=ccccc\,dc=ca
authentication-ldap.email_field = mail
authentication-ldap.surname_field = sn
authentication-ldap.givenname_field = givenName
authentication-ldap.login.specialgroup = group-name
authentication-ldap.search_scope = 2
authentication-ldap.search.user = cn=xxx\,cn=xxxx\,dc=xxxx\,dc=zzzz\,dc=ca
authentication-ldap.search.password = 12345

Any thought?



On Sunday, September 27, 2020 at 9:32:07 PM UTC-5 [email protected] wrote:

> *hi All,*
> *I got dspace 6.3 setup and I'm planning to use LDAP as a part of the 
> login.*
> *However, when I tried to login I got this error message.*
> *I hope someone can give me a hint to make it works .*
> *thanks *
> *LN*
> *======================*
> Java stacktrace: java.lang.NullPointerException at 
> javax.naming.directory.BasicAttributes.put(BasicAttributes.java:183) at 
> org.dspace.authenticate.LDAPAuthentication$SpeakerToLDAP.getDNOfUser(LDAPAuthentication.java:498)
>  
> at 
> org.dspace.authenticate.LDAPAuthentication.authenticate(LDAPAuthentication.java:232)
>  
> at 
> org.dspace.authenticate.AuthenticationServiceImpl.authenticateInternal(AuthenticationServiceImpl.java:111)
>  
> at 
> org.dspace.authenticate.AuthenticationServiceImpl.authenticate(AuthenticationServiceImpl.java:81)
>  
> at 
> org.dspace.app.xmlui.utils.AuthenticationUtil.authenticate(AuthenticationUtil.java:120)
>  
> at 
> org.dspace.app.xmlui.aspect.eperson.LDAPAuthenticateAction.act(LDAPAuthenticateAction.java:84)
>  
> at 
> org.apache.cocoon.sitemap.impl.DefaultExecutor.invokeAction(DefaultExecutor.java:55)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:105)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
>  
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
>  
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.buildPipeline(ConcreteTreeProcessor.java:186)
>  
> at 
> org.apache.cocoon.components.treeprocessor.TreeProcessor.buildPipeline(TreeProcessor.java:260)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:107)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.SelectNode.invoke(SelectNode.java:87)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
>  
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
>  
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.buildPipeline(ConcreteTreeProcessor.java:186)
>  
> at 
> org.apache.cocoon.components.treeprocessor.TreeProcessor.buildPipeline(TreeProcessor.java:260)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:107)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
>  
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
>  
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.buildPipeline(ConcreteTreeProcessor.java:186)
>  
> at 
> org.apache.cocoon.components.treeprocessor.TreeProcessor.buildPipeline(TreeProcessor.java:260)
>  
> at 
> org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:277)
>  
> at 
> org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
>  
> at 
> org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
>  
> at 
> org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
>  
> at 
> org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
>  
> at org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99) 
> at 
> org.dspace.app.xmlui.cocoon.AspectGenerator.setup(AspectGenerator.java:81) 
> at sun.reflect.GeneratedMethodAccessor90.invoke(Unknown Source) at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  
> at java.lang.reflect.Method.invoke(Method.java:498) at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
>  
> at com.sun.proxy.$Proxy235.setup(Unknown Source) at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:343)
>  
> at 
> org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
>  
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
>  
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.prepareInternal(AbstractProcessingPipeline.java:480)
>  
> at sun.reflect.GeneratedMethodAccessor92.invoke(Unknown Source) at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  
> at java.lang.reflect.Method.invoke(Method.java:498) at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
>  
> at com.sun.proxy.$Proxy234.prepareInternal(Unknown Source) at 
> org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:292)
>  
> at 
> org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
>  
> at 
> org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
>  
> at 
> org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
>  
> at 
> org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
>  
> at org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99) 
> at 
> org.dspace.app.xmlui.cocoon.AspectGenerator.setup(AspectGenerator.java:81) 
> at sun.reflect.GeneratedMethodAccessor90.invoke(Unknown Source) at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  
> at java.lang.reflect.Method.invoke(Method.java:498) at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
>  
> at com.sun.proxy.$Proxy235.setup(Unknown Source) at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:343)
>  
> at 
> org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
>  
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
>  
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.prepareInternal(AbstractProcessingPipeline.java:480)
>  
> at sun.reflect.GeneratedMethodAccessor92.invoke(Unknown Source) at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  
> at java.lang.reflect.Method.invoke(Method.java:498) at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
>  
> at com.sun.proxy.$Proxy234.prepareInternal(Unknown Source) at 
> org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:292)
>  
> at 
> org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
>  
> at 
> org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
>  
> at 
> org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
>  
> at 
> org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
>  
> at org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99) 
> at 
> org.dspace.app.xmlui.cocoon.AspectGenerator.setup(AspectGenerator.java:81) 
> at sun.reflect.GeneratedMethodAccessor90.invoke(Unknown Source) at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  
> at java.lang.reflect.Method.invoke(Method.java:498) at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
>  
> at com.sun.proxy.$Proxy235.setup(Unknown Source) at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:343)
>  
> at 
> org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
>  
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
>  
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.prepareInternal(AbstractProcessingPipeline.java:480)
>  
> at sun.reflect.GeneratedMethodAccessor92.invoke(Unknown Source) at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  
> at java.lang.reflect.Method.invoke(Method.java:498) at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
>  
> at com.sun.proxy.$Proxy234.prepareInternal(Unknown Source) at 
> org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:292)
>  
> at 
> org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
>  
> at 
> org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
>  
> at 
> org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
>  
> at 
> org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
>  
> at org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99) 
> at 
> org.dspace.app.xmlui.cocoon.AspectGenerator.setup(AspectGenerator.java:81) 
> at sun.reflect.GeneratedMethodAccessor90.invoke(Unknown Source) at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  
> at java.lang.reflect.Method.invoke(Method.java:498) at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
>  
> at com.sun.proxy.$Proxy235.setup(Unknown Source) at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:343)
>  
> at 
> org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
>  
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
>  
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.prepareInternal(AbstractProcessingPipeline.java:480)
>  
> at sun.reflect.GeneratedMethodAccessor92.invoke(Unknown Source) at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  
> at java.lang.reflect.Method.invoke(Method.java:498) at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
>  
> at com.sun.proxy.$Proxy234.prepareInternal(Unknown Source) at 
> org.apache.cocoon.components.source.impl.SitemapSource.init(SitemapSource.java:292)
>  
> at 
> org.apache.cocoon.components.source.impl.SitemapSource.<init>(SitemapSource.java:148)
>  
> at 
> org.apache.cocoon.components.source.impl.SitemapSourceFactory.getSource(SitemapSourceFactory.java:62)
>  
> at 
> org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:153)
>  
> at 
> org.apache.cocoon.components.source.CocoonSourceResolver.resolveURI(CocoonSourceResolver.java:183)
>  
> at org.apache.cocoon.generation.FileGenerator.setup(FileGenerator.java:99) 
> at sun.reflect.GeneratedMethodAccessor90.invoke(Unknown Source) at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  
> at java.lang.reflect.Method.invoke(Method.java:498) at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
>  
> at com.sun.proxy.$Proxy235.setup(Unknown Source) at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupPipeline(AbstractProcessingPipeline.java:343)
>  
> at 
> org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:710)
>  
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.preparePipeline(AbstractProcessingPipeline.java:466)
>  
> at 
> org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.process(AbstractProcessingPipeline.java:411)
>  
> at sun.reflect.GeneratedMethodAccessor139.invoke(Unknown Source) at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  
> at java.lang.reflect.Method.invoke(Method.java:498) at 
> org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)
>  
> at com.sun.proxy.$Proxy234.process(Unknown Source) at 
> org.apache.cocoon.components.treeprocessor.sitemap.SerializeNode.invoke(SerializeNode.java:147)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
>  
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
>  
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
>  
> at 
> org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:117)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:55)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:87)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
>  
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
>  
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
>  
> at 
> org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:117)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
>  
> at 
> org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:78)
>  
> at 
> org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:81)
>  
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:239)
>  
> at 
> org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:171)
>  
> at 
> org.apache.cocoon.components.treeprocessor.TreeProcessor.process(TreeProcessor.java:247)
>  
> at 
> org.apache.cocoon.servlet.RequestProcessor.process(RequestProcessor.java:351) 
> at 
> org.apache.cocoon.servlet.RequestProcessor.service(RequestProcessor.java:169) 
> at org.apache.cocoon.sitemap.SitemapServlet.service(SitemapServlet.java:84) 
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at 
> org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:468)
>  
> at 
> org.apache.cocoon.servletservice.ServletServiceContext$PathDispatcher.forward(ServletServiceContext.java:443)
>  
> at 
> org.apache.cocoon.servletservice.spring.ServletFactoryBean$ServiceInterceptor.invoke(ServletFactoryBean.java:264)
>  
> at 
> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
>  
> at 
> org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
>  
> at com.sun.proxy.$Proxy231.service(Unknown Source) at 
> org.dspace.springmvc.CocoonView.render(CocoonView.java:113) at 
> org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1216)
>  
> at 
> org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1001)
>  
> at 
> org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945)
>  
> at 
> org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:867)
>  
> at 
> org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:951)
>  
> at 
> org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:853)
>  
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:648) at 
> org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:827)
>  
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
>  
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
>  
> at 
> org.dspace.app.xmlui.cocoon.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:113)
>  
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
>  
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
>  
> at 
> org.dspace.app.xmlui.cocoon.DSpaceCocoonServletFilter.doFilter(DSpaceCocoonServletFilter.java:160)
>  
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
>  
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
>  
> at 
> org.dspace.app.xmlui.cocoon.servlet.multipart.DSpaceMultipartFilter.doFilter(DSpaceMultipartFilter.java:119)
>  
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
>  
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
>  
> at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
>  
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
>  
> at 
> org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78)
>  
> at 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
>  
> at 
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
>  
> at 
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
>  
> at 
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94)
>  
> at 
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141) 
> at 
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) 
> at 
> org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)
>  
> at 
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
>  
> at 
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502) 
> at 
> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132)
>  
> at 
> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)
>  
> at 
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1539)
>  
> at 
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1495)
>  
> at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>  
> at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  
> at 
> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
>  
> at java.lang.Thread.run(Thread.java:748)
>
>

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