Re: [Simple-support] NullPointerException for similar Element Names with different @Paths

[Robert M. <rob...@gm...>]

You just said previously that you had solved the problem? Is that not the
case?

On Fri, Aug 10, 2012 at 11:04 PM, amit.shipra <ami...@rb...>wrote:

>
> Could someone please help with this issue. Let me know if I am doing
> anything
> wrong here?? :-/
>
>
> amit.shipra wrote:
> >
> > Hi there,
> >
> > XML looks like:
> >
> >             <ns0:book id="BOOK">
> >                <ns0:identifier>
> >                   <ns0:sourceSystem>DTCC</ns0:sourceSystem>
> >                </ns0:identifier>
> >             </ns0:book>
> >             <ns0:trader id="ID_EXECUTING_TRADER">
> >                <ns0:identifier>
> >                   <ns0:sourceSystem>NYSE</ns0:sourceSystem>
> >                </ns0:identifier>
> >             </ns0:trader>
> >
> >
> > and my JAVA code (for sourceSystem Element) is:
> >
> >       @Element(name="sourceSystem")
> >       @Path("ns0:book/ns0:identifier")
> >       private String bookSourceSystem="system1";
> >
> >
> >       @Element(name="sourceSystem")
> >       @Path("ns0:trader/ns0:identifier")
> >       private String traderSourceSystem="system2";
> >
> >
> > However, I am getting the NullPointerException:
> >
> > StackTrace:
> > Exception in thread "main" java.lang.NullPointerException
> >       at
> >
> org.simpleframework.xml.core.InstantiatorBuilder.register(InstantiatorBuilder.java:461)
> >       at
> >
> org.simpleframework.xml.core.InstantiatorBuilder.register(InstantiatorBuilder.java:433)
> >       at
> >
> org.simpleframework.xml.core.StructureBuilder.process(StructureBuilder.java:283)
> >       at
> >
> org.simpleframework.xml.core.StructureBuilder.process(StructureBuilder.java:259)
> >       at
> >
> org.simpleframework.xml.core.StructureBuilder.process(StructureBuilder.java:200)
> >       at org.simpleframework.xml.core.Scanner.field(Scanner.java:511)
> >       at org.simpleframework.xml.core.Scanner.scan(Scanner.java:395)
> >       at org.simpleframework.xml.core.Scanner.<init>(Scanner.java:104)
> >       at
> >
> org.simpleframework.xml.core.ScannerFactory.getInstance(ScannerFactory.java:77)
> >       at
> org.simpleframework.xml.core.Support.getScanner(Support.java:203)
> >       at org.simpleframework.xml.core.Source.getScanner(Source.java:271)
> >       at org.simpleframework.xml.core.Source.getCaller(Source.java:300)
> >       at
> > org.simpleframework.xml.core.Composite.writeReplace(Composite.java:1147)
> >       at
> org.simpleframework.xml.core.Composite.writeUnion(Composite.java:1124)
> >       at
> > org.simpleframework.xml.core.Composite.writeElements(Composite.java:1098)
> >       at
> > org.simpleframework.xml.core.Composite.writeSection(Composite.java:1004)
> >       at org.simpleframework.xml.core.Composite.write(Composite.java:975)
> >       at org.simpleframework.xml.core.Composite.write(Composite.java:952)
> >       at
> > org.simpleframework.xml.core.Composite.writeElement(Composite.java:1256)
> >       at
> > org.simpleframework.xml.core.Composite.writeElement(Composite.java:1239)
> >       at
> org.simpleframework.xml.core.Composite.writeUnion(Composite.java:1127)
> >       at
> > org.simpleframework.xml.core.Composite.writeElements(Composite.java:1098)
> >       at
> > org.simpleframework.xml.core.Composite.writeSection(Composite.java:1004)
> >       at
> > org.simpleframework.xml.core.Composite.writeElements(Composite.java:1087)
> >       at
> > org.simpleframework.xml.core.Composite.writeSection(Composite.java:1004)
> >       at org.simpleframework.xml.core.Composite.write(Composite.java:975)
> >       at org.simpleframework.xml.core.Composite.write(Composite.java:952)
> >       at org.simpleframework.xml.core.Traverser.write(Traverser.java:236)
> >       at org.simpleframework.xml.core.Traverser.write(Traverser.java:208)
> >       at org.simpleframework.xml.core.Traverser.write(Traverser.java:186)
> >       at
> org.simpleframework.xml.core.Persister.write(Persister.java:1180)
> >       at
> org.simpleframework.xml.core.Persister.write(Persister.java:1162)
> >       at
> org.simpleframework.xml.core.Persister.write(Persister.java:1140)
> >       at
> org.simpleframework.xml.core.Persister.write(Persister.java:1259)
> >       at
> org.simpleframework.xml.core.Persister.write(Persister.java:1241)
> >       at
> org.simpleframework.xml.core.Persister.write(Persister.java:1222)
> >       at
> org.simpleframework.xml.core.Persister.write(Persister.java:1201)
> >
> >
> > Source code block:
> >
> >    private void register(Label label, LabelMap map) throws Exception {
> >       String name = label.getName();
> >       String path = label.getPath();
> >
> >       if(map.containsKey(name)) {
> >          Label current = map.get(name);  <-- THIS RETURNS current AS
> NULL.
> >          String key = current.getPath();
> >
> >
> > Could we have only one Element even if @Paths are different? Struck
> around
> > this for long. Is there a work around?
> >
> >
> >
>
> --
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> Sent from the Simple XML Serialization mailing list archive at Nabble.com.
>
>
>
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