Hi Folks,
I badly need assistance to fix a Null Exception error when accessing
bitstreams of legacy items
I did a successful migration (upgrade) from Dspace 5.1 to 6.3 running on
Ubuntu Server 18.04 and tomcat8
While i can access bitstreams of newly added items, i cannot do so for
legacy items and the system throws a null pointer exception on both JSPUI
and XMLUI Interfaces
The assetstore directory is running on a different drive location but i
have chown the permissions to dspace
All the files were accessible readable before the upgrade.
I can't figure what could be the main cause because i get similar error
when trying to export collections
When appreciate any help towards solving this problem
This is the stack trace error:
Caused by: java.lang.NullPointerException
at
org.dspace.storage.bitstore.BitstreamStorageServiceImpl.retrieve(BitstreamStorageServiceImpl.java:216)
at
org.dspace.content.BitstreamServiceImpl.retrieve(BitstreamServiceImpl.java:309)
at
org.dspace.app.xmlui.cocoon.BitstreamReader.setup(BitstreamReader.java:414)
at sun.reflect.GeneratedMethodAccessor111.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.$Proxy232.setup(Unknown Source)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupReader(AbstractProcessingPipeline.java:560)
Thank you and regards,
Benson
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