On 18.1.2017 8:44, Steve C wrote:
Hi all,
Have built a new Debian Server (OpenJDK 1.8, Tomcat 8) and installed
Dspace 6.0 /xmlui for testing. Asset store and Database were restored
from our current version 5 production system and all seem to
be working well apart from the Citation Cover Page.
If 'citation-page.enable_globally=true' is enabled in
citation-page.cfg all is OK. However, comenting this out and instead
setting up specific communities (eg
citation-page.enabled_communities=11079/13840, 11079/13938) causes
problems in the BitstreamReader. First, the thumbnails appear as
broken links for all items. Clicking on a 'View/Open' link to open a
pdf file causes a NullPointerException:
Hello,
there seems to be multiple issues present here, but as for the
NullPointerException one possible cause might be a bug in
BitstreamReader. When a document with citation pages enabled is opened
using the View/Open link, item variable in BitstreamReader is null while
trying to retrieve the handle for the logger:
https://github.com/DSpace/DSpace/blob/dspace-6_x/dspace-xmlui/src/main/java/org/dspace/app/xmlui/cocoon/BitstreamReader.java#L371
It seems that item variable is not used in other way in that method with
standard Dspace 6.0-6.2 so commenting out the log line will probably fix
the issue. Or you could set the item based on bitstream with e.g.
if (item==null) {
DSpaceObject owningDSO = bitstreamService.getParentObject(context,
bitstream);
if(owningDSO instanceof Item) {
item = (Item)owningDSO;
}
}
Caused by: org.springframework.beans.factory.BeanCreationException:
Error creating bean with name
'org.apache.cocoon.reading.Reader/BitstreamReaderPooled':
Instantiation of bean failed; nested exception is
org.springframework.beans.BeanInstantiationException: Could not
instantiate bean class [org.dspace.app.xmlui.cocoon.BitstreamReader]:
Constructor threw exception; nested exception is
java.lang.NullPointerException
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1039)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:985)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:487)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:458)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:312)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:191)
at
org.apache.cocoon.core.container.spring.avalon.PoolableFactoryBean.getFromPool(PoolableFactoryBean.java:212)
at
org.apache.cocoon.core.container.spring.avalon.PoolableProxyHandler.invoke(PoolableProxyHandler.java:67)
at com.sun.proxy.$Proxy182.setup(Unknown Source)
at
org.apache.cocoon.components.pipeline.AbstractProcessingPipeline.setupReader(AbstractProcessingPipeline.java:560)
... 75 more
Caused by: org.springframework.beans.BeanInstantiationException: Could
not instantiate bean class
[org.dspace.app.xmlui.cocoon.BitstreamReader]: Constructor threw
exception; nested exception is java.lang.NullPointerException
at
org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:163)
at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:87)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1032)
... 84 more
Caused by: java.lang.NullPointerException
at
org.dspace.app.xmlui.cocoon.BitstreamReader.<init>(BitstreamReader.java:180)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at
org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:148)
... 86 more
Have tried a using a single Community, changing the direction of the
slashes, entering just the collection part of the handle. But whenever
the 'citation-page.enabled_communities' line is uncommented in
citation-page.cfg it seems to break the BitStreamReader.
Any clues on where to look next would be greatly appreciated.
Steve
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Cheers,
Miika Nurminen
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