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)
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