Hi, That error is a known issue in 7.0 Beta 4. The ticket is at: https://github.com/DSpace/DSpace/issues/2989
However, this error in your logs should not block submissions from occurring (at least it does not do so on our DSpace 7 demo site at https://dspace7-demo.atmire.com/). That error only notes that some items were not properly indexed for searching/browsing. In any case, keep in mind DSpace 7 is still under development and is not yet stable or production ready. You are more than welcome to try it out early, but there will still be some bugs. More info on trying out DSpace 7 early can be found at https://wiki.lyrasis.org/display/DSPACE/Try+out+DSpace+7 Tim ________________________________ From: [email protected] <[email protected]> on behalf of Dr. Surinder Kumar Gaba <[email protected]> Sent: Sunday, November 29, 2020 11:20 PM To: dspace-community <[email protected]> Subject: [dspace-community] submission error in DSpace 7 I installed DSpace 7 in a traditional way by using the following dependencies java 11.0.9 2020-10-20 LTS Solr 8.7 Centos OS 7 Postgres 12 When entering items, it is saving continuously and not coming out. checked log and given below: 2020-11-30 10:35:02,414 ERROR org.dspace.event.BasicDispatcher @ Consumer("discovery").consume threw: java.lang.ClassCastException: class org.dspace.discovery.indexobject.IndexableWorkspaceItem cannot be cast to class org.dspace.discovery.indexobject.IndexableDSpaceObject (org.dspace.discovery.indexobject.IndexableWorkspaceItem and org.dspace.discovery.indexobject.IndexableDSpaceObject are in unnamed module of loader org.apache.catalina.loader.ParallelWebappClassLoader @aa10649) java.lang.ClassCastException: class org.dspace.discovery.indexobject.IndexableWorkspaceItem cannot be cast to class org.dspace.discovery.indexobject.IndexableDSpaceObject (org.dspace.discovery.indexobject.IndexableWorkspaceItem and org.dspace.discovery.indexobject.IndexableDSpaceObject are in unnamed module of loader org.apache.catalina.loader.ParallelWebappClassLoader @aa10649) at org.dspace.discovery.indexobject.AbstractIndexableObject.equals(AbstractIndexableObject.java:33) ~[dspace-api-7.0-beta4.1.jar:7.0-beta4.1] at java.util.HashMap.putVal(HashMap.java:630) ~[?:?] at java.util.HashMap.put(HashMap.java:607) ~[?:?] at java.util.HashSet.add(HashSet.java:220) ~[?:?] at java.util.AbstractCollection.addAll(AbstractCollection.java:352) ~[?:?] at org.dspace.discovery.IndexEventConsumer.consume(IndexEventConsumer.java:133) ~[dspace-api-7.0-beta4.1.jar:7.0-beta4.1] at org.dspace.event.BasicDispatcher.dispatch(BasicDispatcher.java:104) [dspace-api-7.0-beta4.1.jar:7.0-beta4.1] at org.dspace.core.Context.dispatchEvents(Context.java:455) [dspace-api-7.0-beta4.1.jar:7.0-beta4.1] at org.dspace.core.Context.commit(Context.java:424) [dspace-api-7.0-beta4.1.jar:7.0-beta4.1] at org.dspace.app.rest.repository.DSpaceRestRepository.patch(DSpaceRestRepository.java:408) [classes/:7.0-beta4.1] at org.dspace.app.rest.repository.DSpaceRestRepository$$FastClassBySpringCGLIB$$615525f9.invoke(<generated>) [classes/:7.0-beta4.1] at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) [spring-core-5.2.5.RELEASE.jar:5.2.5.RELEASE] at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:687) [spring-aop-5.2.5.RELEASE.jar:5.2.5.RELEASE] at org.dspace.app.rest.repository.WorkspaceItemRestRepository$$EnhancerBySpringCGLIB$$536b073c.patch(<generated>) [classes/:7.0-beta4.1] at org.dspace.app.rest.RestResourceController.patchInternal(RestResourceController.java:707) [classes/:7.0-beta4.1] at org.dspace.app.rest.RestResourceController.patch(RestResourceController.java:661) [classes/:7.0-beta4.1] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?] at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?] It is bug in DSpace 7 or missing some dependencies. -- Dr. Surinder Kumar Gaba DDG Digital Archiving & Management Group National Informatics Centre A-Block, CGO Complex, Lodhi Road New Delhi-110 003 Tel : 011-24362359 (o) : 011-27865224 (r) -- All messages to this mailing list should adhere to the DuraSpace Code of Conduct: https://duraspace.org/about/policies/code-of-conduct/ --- You received this message because you are subscribed to the Google Groups "DSpace Community" group. 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