Details
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Type:
Bug
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Status:
Closed
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Priority:
Blocker
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Resolution: Won't Fix
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Affects Version/s: 1.2.2
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Fix Version/s: None
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Component/s: Converters
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Labels:None
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JDK version and platform:Sun 1.5.0 for Unix
Description
Hi,
We are using X-stream for (de)serializing a user's session to files on a web based Unix application. There are a large number of users and when they start hitting the application hard, we get the following error:
java.util.ConcurrentModificationException
at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:449)
at java.util.AbstractList$Itr.next(AbstractList.java:420)
at com.thoughtworks.xstream.converters.collections.CollectionConverter.marshal(CollectionConverter.java:43)
at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:55)
at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:50)
at com.thoughtworks.xstream.annotations.AnnotationReflectionConverter.marshallField(AnnotationReflectionConverter.java:40)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$2.writeField(AbstractReflectionConverter.jav
a:108)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$2.visit(AbstractReflectionConverter.java:84)
at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionPro
vider.java:109)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doMarshal(AbstractReflectionConverter.java:6
9)
at com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.marshal(AbstractReflectionConverter.java:42)
at com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:55)
at com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:50)
at com.thoughtworks.xstream.core.TreeMarshaller.start(TreeMarshaller.java:73)
at com.thoughtworks.xstream.core.ReferenceByXPathMarshallingStrategy.marshal(ReferenceByXPathMarshallingStrategy.java:34)
at com.thoughtworks.xstream.XStream.marshal(XStream.java:751)
at com.thoughtworks.xstream.XStream.marshal(XStream.java:740)
at com.thoughtworks.xstream.XStream.toXML(XStream.java:721)
at com.thoughtworks.xstream.XStream.toXML(XStream.java:711)
A user's "session" is stored in a hashmap and retrieved, updated on every request. Please can someone help as this is a show stopper! Thanks
Activity
Hi Dang, sorry if I immediately close this again. However, this is IMHO a typical problem related to your data where XStream cannot do a lot about. Please discuss this on the user's list to find a solution. If your case expose a real bug in XStream, you can always reopen this. But JIRA is not here in first place to drive discussions. Hop you understand this,
Jörg
Jörg Schaible
added a comment - Hi Dang, sorry if I immediately close this again. However, this is IMHO a typical problem related to your data where XStream cannot do a lot about. Please discuss this on the user's list to find a solution. If your case expose a real bug in XStream, you can always reopen this. But JIRA is not here in first place to drive discussions. Hop you understand this,
Jörg Closed after no further comment has been given.
Jörg Schaible
added a comment - Closed after no further comment has been given. 
Sorry, I may have assigned this to the wrong component