Details
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Type:
Bug
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Status:
Closed
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Priority:
Major
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Resolution: Duplicate
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Affects Version/s: 1.2.2
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Fix Version/s: None
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Component/s: Annotations
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Labels:None
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JDK version and platform:Sun 1.6.0_04 on Linux
Description
When using Annotations to structure the XML output, I have run across a "NullPointerException"
Stack information:
java.lang.NullPointerException
at com.thoughtworks.xstream.annotations.Annotations.getFieldParameterizedType(Annotations.java:232)
at com.thoughtworks.xstream.annotations.Annotations.configureClass(Annotations.java:161)
at com.thoughtworks.xstream.annotations.Annotations.configureAliases(Annotations.java:49)
Upon digging a bit into the source, it appears there should at least be a null check in the "Annotations.getFieldParameterizedType(Annotations.java:232)" method, with a more descriptive error (if it IS an error) relayed to the user.
Issue Links
- duplicates
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XSTR-425
NPE thrown when @XStreamImplicit is used on collection with interface parameter type
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Activity
You may try the latest SNAPSHOT.
Jörg Schaible
added a comment - You may try the latest SNAPSHOT. 
A little more digging shows that Implicit Collections cause this one...
@XStreamImplicit(itemFieldName="history")
private SortedSet<IHistoryItem> statusHistory;
where "SortedSet" is an interface, and IHistoryItem is also an interface.