Re: [Simple-support] NullPointerException for similar Element Names with different @Paths
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Re: [Simple-support] NullPointerException for similar Element Names with different @Paths
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From: Gupta, A. A <ami...@rb...> - 2012-08-10 18:02:07
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If you run this code - it will replicate the scenario. Note that other elements such as 'type' and 'role' are working fine. Only sourcesystem is misbehaving.
If you rename sourceSystem to sourceSystem-remove - it would run fine.
Thanks,
--------------------------------------------------------------------------------
package test.simple.scenario.path;
import java.io.StringWriter;
import org.simpleframework.xml.Attribute;
import org.simpleframework.xml.Element;
import org.simpleframework.xml.Namespace;
import org.simpleframework.xml.Path;
import org.simpleframework.xml.Root;
import org.simpleframework.xml.Serializer;
import org.simpleframework.xml.core.Persister;
@Root(name="header")
public class TradeHeader {
@Element(name = "sourceSystem")
@Path("tradeIdentifier/tradeKey")
@Namespace
private String tradeKeySourceSystem = "VALUE";
@Attribute(name = "id")
@Path("book")
private String bookId = "BOOK";
@Element(name = "code")
@Path("book/identifier")
@Namespace
private String bookCode = "code";
@Element(name = "sourceSystem")
@Path("book/identifier")
@Namespace
private String bookSourceSystem = "VALUE";
@Element(name = "type")
@Path("book/identifier")
@Namespace
private String bookType = "SHORT_NAME";
@Element(name = "role")
@Path("book")
@Namespace
private String bookRole = "VALUE";
@Attribute(name = "id")
@Path("trader")
private String traderId = "TID";
@Element(name = "code")
@Path("trader/identifier")
@Namespace
private String traderCode = "tCode";
@Element(name = "sourceSystem")
@Path("trader/identifier")
@Namespace
private String traderSourceSystem = "VALUE";
@Element(name = "type")
@Path("trader/identifier")
@Namespace
private String traderType = "SHORT_NAME";
@Element(name = "role")
@Path("trader")
@Namespace
private String traderRole = "VALUE";
public static void main(String[] args) throws Exception {
Serializer serializer = new Persister();
StringWriter writer = new StringWriter();
TradeHeader header = new TradeHeader();
serializer.write(header, writer);
String data = writer.getBuffer().toString();
System.out.println(data);
}
}
-----Original Message-----
From: Niall Gallagher [mailto:gal...@ya...]
Sent: 2012, August, 10 12:58 PM
To: sim...@li...; Gupta, Amit A
Subject: Re: [Simple-support] NullPointerException for similar Element Names with different @Paths
Can you provide a test, I find this unlikely..but its possible I guess. Some code to repeat this would be good.
--- On Fri, 10/8/12, amit.shipra <ami...@rb...> wrote:
> From: amit.shipra <ami...@rb...>
> Subject: Re: [Simple-support] NullPointerException for similar Element
> Names with different @Paths
> To: sim...@li...
> Received: Friday, 10 August, 2012, 6:17 AM
>
> In the XML Message 'sourceSystem' is at multiple places. I overlooked
> in my haste. When I tried name="sourceSystem[1]" the actual tags were
> changed to <ns0:sourceSystem[1]>value</sourceSystem[1]>.
>
> Issue remains. Please help.
>
> Amit-G.
>
>
>
> Robert Massaioli-2 wrote:
> >
> > 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(Instantiator
> Builder.java:461)
> >> > at
> >> >
> >>
> org.simpleframework.xml.core.InstantiatorBuilder.register(Instantiator
> Builder.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:114
> 7)
> >> > at
> >>
> org.simpleframework.xml.core.Composite.writeUnion(Composite.java:1124)
> >> > at
> >> >
> >>
> org.simpleframework.xml.core.Composite.writeElements(Composite.java:10
> 98)
> >> > at
> >> >
> >>
> org.simpleframework.xml.core.Composite.writeSection(Composite.java:100
> 4)
> >> > 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:125
> 6)
> >> > at
> >> >
> >>
> org.simpleframework.xml.core.Composite.writeElement(Composite.java:123
> 9)
> >> > at
> >>
> org.simpleframework.xml.core.Composite.writeUnion(Composite.java:1127)
> >> > at
> >> >
> >>
> org.simpleframework.xml.core.Composite.writeElements(Composite.java:10
> 98)
> >> > at
> >> >
> >>
> org.simpleframework.xml.core.Composite.writeSection(Composite.java:100
> 4)
> >> > at
> >> >
> >>
> org.simpleframework.xml.core.Composite.writeElements(Composite.java:10
> 87)
> >> > at
> >> >
> >>
> org.simpleframework.xml.core.Composite.writeSection(Composite.java:100
> 4)
> >> > 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?
> >> >
> >> >
> >> >
> >>
> >> --
> >> View this message in context:
> >> http://old.nabble.com/NullPointerException-for-similar-Element-Name
> >> s-with-different-%40Paths-tp34277238p34281760.html
> >> Sent from the Simple XML Serialization mailing list
> archive at
> >> Nabble.com.
> >>
> >>
> >>
> >>
> ----------------------------------------------------------------------
> --------
> >> Live Security Virtual Conference
> >> Exclusive live event will cover all the ways
> today's security and
> >> threat landscape has changed and how IT managers
> can respond. Discussions
> >> will include endpoint security, mobile security and
> the latest in malware
> >> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
> >> _______________________________________________
> >> Simple-support mailing list
> >> Sim...@li...
> >> https://lists.sourceforge.net/lists/listinfo/simple-support
> >>
> >
> >
> ----------------------------------------------------------------------
> --------
> > Live Security Virtual Conference
> > Exclusive live event will cover all the ways today's
> security and
> > threat landscape has changed and how IT managers can
> respond. Discussions
> > will include endpoint security, mobile security and the
> latest in malware
> > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
> > _______________________________________________
> > Simple-support mailing list
> > Sim...@li...
> > https://lists.sourceforge.net/lists/listinfo/simple-support
> >
> >
>
> --
> View this message in context:
> http://old.nabble.com/NullPointerException-for-similar-Element-Names-w
> ith-different-%40Paths-tp34277238p34281810.html
> Sent from the Simple XML Serialization mailing list archive at
> Nabble.com.
>
>
> ----------------------------------------------------------------------
> --------
> Live Security Virtual Conference
> Exclusive live event will cover all the ways today's security and
> threat landscape has changed and how IT managers can respond.
> Discussions will include endpoint security, mobile security and the
> latest in malware threats.
> http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
> _______________________________________________
> Simple-support mailing list
> Sim...@li...
> https://lists.sourceforge.net/lists/listinfo/simple-support
>
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