Hi. When trying to harvest metadata and docs from a collection I get the 
error:

*"failed to lazily initialize a collection of role: 
org.dspace.content.DSpaceObject.metadata, could not initialize proxy - no 
Session"*

I'm having trouble using the automatic harvest scheduler both in the XMLUI 
and in the command line. 

I´m running Dspace 6.3 on Debian and Oracle database. This not happen when 
I only harvest metadata.

This is the full trace:

Java stacktrace: org.hibernate.LazyInitializationException: failed to 
lazily initialize a collection of role: 
org.dspace.content.DSpaceObject.metadata, could not initialize proxy - no 
Session at 
org.hibernate.collection.internal.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:569)
 
at 
org.hibernate.collection.internal.AbstractPersistentCollection.withTemporarySessionIfNeeded(AbstractPersistentCollection.java:188)
 
at 
org.hibernate.collection.internal.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:548)
 
at 
org.hibernate.collection.internal.AbstractPersistentCollection.read(AbstractPersistentCollection.java:126)
 
at 
org.hibernate.collection.internal.PersistentBag.iterator(PersistentBag.java:266)
 
at 
org.dspace.content.DSpaceObjectServiceImpl.getMetadata(DSpaceObjectServiceImpl.java:129)
 
at 
org.dspace.content.DSpaceObjectServiceImpl.getMetadataFirstValue(DSpaceObjectServiceImpl.java:380)
 
at org.dspace.eperson.EPerson.getFirstName(EPerson.java:253) at 
org.dspace.app.xmlui.utils.DSpaceValidity.add(DSpaceValidity.java:344) at 
org.dspace.app.xmlui.aspect.administrative.Navigation.getValidity(Navigation.java:166)
 
at sun.reflect.GeneratedMethodAccessor115.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.$Proxy102.getValidity(Unknown Source) at 
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.getValidityForInternalPipeline(AbstractCachingProcessingPipeline.java:987)
 
at 
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupValidities(AbstractCachingProcessingPipeline.java:482)
 
at 
org.apache.cocoon.components.pipeline.impl.AbstractCachingProcessingPipeline.setupPipeline(AbstractCachingProcessingPipeline.java:720)
 
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.GeneratedMethodAccessor106.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.$Proxy95.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.GeneratedMethodAccessor67.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.$Proxy96.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.GeneratedMethodAccessor106.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.$Proxy95.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.GeneratedMethodAccessor67.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.$Proxy96.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.GeneratedMethodAccessor106.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.$Proxy95.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.GeneratedMethodAccessor67.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.$Proxy96.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.GeneratedMethodAccessor106.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.$Proxy95.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.GeneratedMethodAccessor67.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.$Proxy96.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.GeneratedMethodAccessor106.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.$Proxy95.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.GeneratedMethodAccessor67.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.$Proxy96.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.GeneratedMethodAccessor106.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.$Proxy95.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.GeneratedMethodAccessor67.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.$Proxy96.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.GeneratedMethodAccessor126.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.$Proxy95.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:742) 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.$Proxy92.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:661) at 
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:827)
 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
 
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
at 
org.dspace.app.xmlui.cocoon.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:113)
 
at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
at 
org.dspace.app.xmlui.cocoon.DSpaceCocoonServletFilter.doFilter(DSpaceCocoonServletFilter.java:160)
 
at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
at 
org.dspace.app.xmlui.cocoon.servlet.multipart.DSpaceMultipartFilter.doFilter(DSpaceMultipartFilter.java:119)
 
at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
at 
org.dspace.utils.servlet.DSpaceWebappServletFilter.doFilter(DSpaceWebappServletFilter.java:78)
 
at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
 
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
 
at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
 
at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
 
at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)
 
at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) 
at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) 
at 
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
 
at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
 
at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) 
at 
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) 
at 
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
 
at 
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790)
 
at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459)
 
at 
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) 
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)

Any help!?

Thanks

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