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http://jira.dspace.org/jira/browse/DS-296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=11788#action_11788
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Wendy Bossons commented on DS-296:
----------------------------------
We found this at MIT as well. To discontinue the serialization exceptions, I
changed the DSpaceFeedGenerator to implement Serializable. See below code
excerpts . . .
/*
* DSpaceFeedGenerator.java
*
* Version: $Revision: 4511 $
....
public class DSpaceFeedGenerator extends AbstractGenerator
implements Configurable, CacheableProcessingComponent,
Recyclable, Serializable
{
private static final long serialVersionUID = 2L;
....
We have been running the code on our production instance without the positive
effect of not generating the above mentioned java stacktraces.
..\Wendy
> DspaceFeedGenerator not serializable?!
> --------------------------------------
>
> Key: DS-296
> URL: http://jira.dspace.org/jira/browse/DS-296
> Project: DSpace 1.x
> Issue Type: Bug
> Components: XMLUI
> Affects Versions: 1.5.2, 1.6.0
> Reporter: Flávio Botelho
> Priority: Minor
>
> For some reason, the code wants to serialize
> org.dspace.app.xmlui.cocoon.DSpaceFeedGenerator, should it?
> If so than it needs to implement serializable.
> Else somewhere there is a pointer to such an object that shouldn't be.
> tor--8594061610370491601_T-i18n-context://i18n/?pt_BR__S-xml-;encoding=UTF-8;indent=yes'.
> Initial cause was org.dspace.app.xmlui.cocoon.DSpaceFeedGenerator
> java.io.NotSerializableException:
> org.dspace.app.xmlui.cocoon.DSpaceFeedGenerator
> at
> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1081)
> at
> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1375)
> at
> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1347)
> at
> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290)
> at
> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
> at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1251)
> at
> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
> at
> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1375)
> at
> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1347)
> at
> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290)
> at
> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
> at
> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1375)
> at
> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1347)
> at
> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290)
> at
> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1079)
> at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302)
> at net.sf.ehcache.store.DiskStore.serializeEntry(DiskStore.java:739)
> at net.sf.ehcache.store.DiskStore.writeElement(DiskStore.java:678)
> at
> net.sf.ehcache.store.DiskStore.writeOrReplaceEntry(DiskStore.java:667)
> at net.sf.ehcache.store.DiskStore.flushSpool(DiskStore.java:639)
> at
> net.sf.ehcache.store.DiskStore.throwableSafeFlushSpoolIfRequired(DiskStore.java:615)
> at
> net.sf.ehcache.store.DiskStore.spoolAndExpiryThreadMain(DiskStore.java:583)
> at net.sf.ehcache.store.DiskStore.access$800(DiskStore.java:65)
> at
> net.sf.ehcache.store.DiskStore$SpoolAndExpiryThread.run(DiskStore.java:1057)
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