Dear DSpace Colleagues,


Please assist I am getting the following error when harvesting one of the 
community on our DSpace site. 

 

Collection 72079744-3f54-4033-b27b-dea255b32f71 failed on harvest:

 

Date:                    12/22/21, 11:13 AM

Status Flag:         -1

 

possible non-threadsafe access to session

 

Exception:

org.hibernate.AssertionFailure: possible non-threadsafe access to session

                at 
org.hibernate.action.internal.EntityInsertAction.execute(EntityInsertAction.java:92)

                at 
org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:395)

                at 
org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:387)

                at 
org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:303)

                at 
org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:349)

                at 
org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:56)

                at 
org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1195)

                at 
jdk.internal.reflect.GeneratedMethodAccessor214.invoke(Unknown Source)

                at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at 
java.base/java.lang.reflect.Method.invoke(Method.java:566)

                at 
org.hibernate.context.internal.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:352)

                at com.sun.proxy.$Proxy43.flush(Unknown Source)

                at 
org.dspace.core.HibernateDBConnection.commit(HibernateDBConnection.java:83)

                at org.dspace.core.Context.commit(Context.java:435)

                at 
org.dspace.harvest.OAIHarvester.intermediateCommit(OAIHarvester.java:439)

                at 
org.dspace.harvest.OAIHarvester.runHarvest(OAIHarvester.java:370)

                at 
org.dspace.app.xmlui.aspect.administrative.FlowContainerUtils.processRunCollectionHarvest(FlowContainerUtils.java:309)

                at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method)

                at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

                at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at 
java.base/java.lang.reflect.Method.invoke(Method.java:566)

                at 
org.mozilla.javascript.MemberBox.invoke(MemberBox.java:155)

                at 
org.mozilla.javascript.NativeJavaMethod.call(NativeJavaMethod.java:243)

                at 
org.mozilla.javascript.Interpreter.interpretLoop(Interpreter.java:3237)

                at 
org.mozilla.javascript.Interpreter.interpret(Interpreter.java:2394)

                at 
org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:162)

                at 
org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:393)

                at 
org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:2834)

                at 
org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:160)

                at org.mozilla.javascript.Context.call(Context.java:538)

                at 
org.mozilla.javascript.ScriptableObject.callMethod(ScriptableObject.java:1833)

                at 
org.mozilla.javascript.ScriptableObject.callMethod(ScriptableObject.java:1803)

                at 
org.apache.cocoon.components.flow.javascript.fom.FOM_JavaScriptInterpreter.handleContinuation(FOM_JavaScriptInterpreter.java:698)

                at 
org.apache.cocoon.components.treeprocessor.sitemap.CallFunctionNode.invoke(CallFunctionNode.java:94)

                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: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.SelectNode.invoke(SelectNode.java:82)

                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 
jdk.internal.reflect.GeneratedMethodAccessor113.invoke(Unknown Source)

                at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at 
java.base/java.lang.reflect.Method.invoke(Method.java:566)

                at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)

                at com.sun.proxy.$Proxy241.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 
jdk.internal.reflect.GeneratedMethodAccessor119.invoke(Unknown Source)

                at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at 
java.base/java.lang.reflect.Method.invoke(Method.java:566)

                at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)

                at com.sun.proxy.$Proxy232.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 
jdk.internal.reflect.GeneratedMethodAccessor113.invoke(Unknown Source)

                at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at 
java.base/java.lang.reflect.Method.invoke(Method.java:566)

                at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)

                at com.sun.proxy.$Proxy241.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 
jdk.internal.reflect.GeneratedMethodAccessor119.invoke(Unknown Source)

                at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at 
java.base/java.lang.reflect.Method.invoke(Method.java:566)

                at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)

                at com.sun.proxy.$Proxy232.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 
jdk.internal.reflect.GeneratedMethodAccessor113.invoke(Unknown Source)

                at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at 
java.base/java.lang.reflect.Method.invoke(Method.java:566)

                at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)

                at com.sun.proxy.$Proxy241.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 
jdk.internal.reflect.GeneratedMethodAccessor119.invoke(Unknown Source)

                at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at 
java.base/java.lang.reflect.Method.invoke(Method.java:566)

                at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)

                at com.sun.proxy.$Proxy232.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 
jdk.internal.reflect.GeneratedMethodAccessor113.invoke(Unknown Source)

                at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at 
java.base/java.lang.reflect.Method.invoke(Method.java:566)

                at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)

                at com.sun.proxy.$Proxy241.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 
jdk.internal.reflect.GeneratedMethodAccessor119.invoke(Unknown Source)

                at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at 
java.base/java.lang.reflect.Method.invoke(Method.java:566)

                at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)

                at com.sun.proxy.$Proxy232.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 
jdk.internal.reflect.GeneratedMethodAccessor113.invoke(Unknown Source)

                at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at 
java.base/java.lang.reflect.Method.invoke(Method.java:566)

                at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)

                at com.sun.proxy.$Proxy241.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 
jdk.internal.reflect.GeneratedMethodAccessor119.invoke(Unknown Source)

                at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at 
java.base/java.lang.reflect.Method.invoke(Method.java:566)

                at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)

                at com.sun.proxy.$Proxy232.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 
jdk.internal.reflect.GeneratedMethodAccessor113.invoke(Unknown Source)

                at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at 
java.base/java.lang.reflect.Method.invoke(Method.java:566)

                at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)

                at com.sun.proxy.$Proxy241.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 
jdk.internal.reflect.GeneratedMethodAccessor187.invoke(Unknown Source)

                at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

                at 
java.base/java.lang.reflect.Method.invoke(Method.java:566)

                at 
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:71)

                at com.sun.proxy.$Proxy232.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.$Proxy227.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:493)

                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.ajp.AjpProcessor.service(AjpProcessor.java:479)

                at 
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)

                at 
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806)

                at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)

                at 
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)

                at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)

                at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)

                at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

                at java.base/java.lang.Thread.run(Thread.java:829)

 Regards,

Lewatle 

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