On Dec 16, 2009, at 8:24 PM, cgswtsu78 wrote:
> Hi Paul,
>
>
>
> I do Have ChartSpecification annotated, see below…anything wrong
> with that?
>
>
>
Have you included the jersey-json dependency?
https://jersey.dev.java.net/nonav/documentation/latest/user-
guide.html#d4e865
Paul.
>
>
> import java.io.Serializable;
>
> import java.util.List;
>
> import java.util.Map;
>
>
>
> import javax.xml.bind.annotation.XmlRootElement;
>
>
>
> import org.eclipse.birt.chart.model.attribute.ChartDimension;
>
>
>
> @XmlRootElement(name="ChartSpecification")
>
> public class ChartSpecification implements Serializable{
>
>
>
> private static final long serialVersionUID =
> -295197254459282522L;
>
> private List xAxis;
>
> private List yAxis;
>
> private Double width;
>
> private Double height;
>
> private ChartDimension chartOrientation;
>
> private String imagePath;
>
> private Object wrapper;
>
> private String chartType;
>
> private String chartSubType;
>
> private String chartTitle;
>
> private String oSeriesIdentifier;
>
> private String desc;
>
> private Map whereClauseStmts;
>
> }
>
>
>
> From: Paul Sandoz [via Jersey] [mailto:[hidden email]]
> Sent: Wednesday, December 16, 2009 11:13 AM
> To: Colin Gray
> Subject: Re: [Jersey] net.sf.json.JSONException: There is a cycle in
> the hierarchy!
>
>
>
> Hi,
>
> The exception you are getting is because Jersey does not know how to
> convert an instance of ChartSpecification to JSON.
>
> You need to annotate ChartSpecification with the JAXB annotation
> @XmlRootElement.
>
> If you use Jackson JAX-RS support then you do not need to annotate
> ChartSpecification.
>
> Paul.
>
> On Dec 16, 2009, at 7:12 PM, cgswtsu78 wrote:
>
>
> >
> > Hi Jakub,
> >
> > Thanks for the quick reply. I did find an Entity Provider and was
> > using it.
> > I removed it from the classpath and I get the below exception when I
> > perform
> > HTTP GET against the /topspamsenderchart resource. Is the Jersey
> > provided
> > writer implemented by default or is there some extra configuration I
> > need to
> > do? I have experimented with Jackson yet and would like to try the
> > Jersey
> > writer, but it looks like I have some dependency issue. I did some
> > searching and it seems to be a JSON dependency issue, but I do have
> > the
> > json-lib-2.2.3-jdk15.jar on the classpath...so I'm a bit stumped
> > here. Any
> > ideas?
> >
> > Resource Method:
> > @GET
> > @Path("/topspamsenderchart")
> > @Produces("application/json")
> > public Response getTopSpamSenderChartTest1() throws Exception{
> >
> > ChartSpecification chartSpec = new ChartSpecification();
> >
> > chartSpec.setWidth(new Double(700));
> > chartSpec.setHeight(new Double(500));
> > chartSpec.setChartType("4");
> >
> > return Response.ok(chartSpec).type("application/json").build();
> > }
> >
> > Exception:
> > javax.ws.rs.WebApplicationException
> > at
> > com
> > .sun
> >
> .jersey.spi.container.ContainerResponse.write(ContainerResponse.java:
> > 253)
> > at
> > com
> > .sun
> > .jersey
> > .server
> > .impl
> > .application
> > .WebApplicationImpl._handleRequest(WebApplicationImpl.java:814)
> > at
> > com
> > .sun
> > .jersey
> > .server
> > .impl
> > .application
> > .WebApplicationImpl.handleRequest(WebApplicationImpl.java:740)
> > at
> > com
> > .sun
> > .jersey
> > .server
> > .impl
> > .application
> > .WebApplicationImpl.handleRequest(WebApplicationImpl.java:731)
> > at
> > com
> > .sun
> >
> .jersey.spi.container.servlet.WebComponent.service(WebComponent.java:
> > 372)
> > at
> > com
> > .sun
> > .jersey
> > .spi
> > .container.servlet.ServletContainer.service(ServletContainer.java:
> 452)
> > at
> > com
> > .sun
> > .jersey
> > .spi
> > .container.servlet.ServletContainer.service(ServletContainer.java:
> 633)
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
> > at
> > org
> > .apache
> > .catalina
> > .core
> >
> .ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:
> > 290)
> > at
> > org
> > .apache
> > .catalina
> > .core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:
> 206)
> > at
> > org
> > .apache
> >
> .catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:
> > 233)
> > at
> > org
> > .apache
> >
> .catalina.core.StandardContextValve.invoke(StandardContextValve.java:
> > 191)
> > at
> > org
> > .apache
> > .catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
> > at
> > org
> > .apache
> > .catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
> > at
> > org
> > .apache
> > .catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:
> > 109)
> > at
> > org
> > .apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:
> > 293)
> > at
> > org
> > .apache.coyote.http11.Http11Processor.process(Http11Processor.java:
> > 849)
> > at
> > org.apache.coyote.http11.Http11Protocol
> > $Http11ConnectionHandler.process(Http11Protocol.java:583)
> > at org.apache.tomcat.util.net.JIoEndpoint
> > $Worker.run(JIoEndpoint.java:454)
> > at java.lang.Thread.run(Unknown Source)
> >
> >
> >
> > Jakub Podlesak wrote:
> >>
> >>
> >> Hi,
> >>
> >> please see inline...
> >>
> >> On Tue, Dec 15, 2009 at 04:28:01PM -0800, cgswtsu78 wrote:
> >>>
> >>> Hello,
> >>>
> >>> When I perform an HTTP GET request against the below resource
> >>> method I
> >>> get a
> >>> net.sf.json.JSONException: There is a cycle in the hierarchy! (see
> >>> below
> >>> for
> >>> full stack trace). The problem seems to be associated to
> >>> returning an
> >>> instance of the ImageDetails object after it is retrieved from the
> >>> ClientResponse.getEntity method. The ImageDetails object is
> >>> successfully
> >>> retrieved but when I try to pass that retrieved instance back I
> >>> get the
> >>> JSONException. When I just create a new version of ImageDetails
> and
> >>> return
> >>> that the below method works fine. Any ideas?
> >>>
> >>> @GET
> >>> @Path("/topspamsenderchart")
> >>> @Produces("application/json")
> >>> public ImageDetails getTopSpamSenderChart() throws Exception{
> >>>
> >>> Client client = Client.create();
> >>> WebResource webResource =
> >>> client.resource("http://localhost:8080/ChartWebWiz/jersey/
> >>> chartsvcs/");
> >>> ClientResponse response =
> >>> webResource
> >>> .path
> >>> ("topspamsenderchart
> >>> ").type(MediaType.APPLICATION_XML).post(ClientResponse.class,
> >>> chartSpec);
> >>>
> >>> ImageDetails imgDetails = response.getEntity(ImageDetails.class);
> >>> return imgDetails;
> >>> }
> >>>
> >>>
> >>> Stack Trace:
> >>> net.sf.json.JSONException: There is a cycle in the hierarchy!
> >>>
> >>> net.sf.json.util.CycleDetectionStrategy
> >>> $
> >>> StrictCycleDetectionStrategy
> >>> .handleRepeatedReferenceAsObject(CycleDetectionStrategy.java:97)
> >>> net.sf.json.JSONObject._fromBean(JSONObject.java:859)
> >>> net.sf.json.JSONObject.fromObject(JSONObject.java:194)
> >>> net.sf.json.JSONObject._processValue(JSONObject.java:2793)
> >>> net.sf.json.JSONObject._setInternal(JSONObject.java:2817)
> >>> net.sf.json.JSONObject.setValue(JSONObject.java:1527)
> >>> net.sf.json.JSONObject._fromBean(JSONObject.java:946)
> >>> net.sf.json.JSONObject.fromObject(JSONObject.java:194)
> >>> net.sf.json.JSONObject._processValue(JSONObject.java:2793)
> >>> net.sf.json.JSONObject._setInternal(JSONObject.java:2817)
> >>> net.sf.json.JSONObject.setValue(JSONObject.java:1527)
> >>> net.sf.json.JSONObject._fromBean(JSONObject.java:946)
> >>> net.sf.json.JSONObject.fromObject(JSONObject.java:194)
> >>> net.sf.json.JSONObject._processValue(JSONObject.java:2793)
> >>> net.sf.json.JSONObject._setInternal(JSONObject.java:2817)
> >>> net.sf.json.JSONObject.setValue(JSONObject.java:1527)
> >>> net.sf.json.JSONObject._fromBean(JSONObject.java:946)
> >>> net.sf.json.JSONObject.fromObject(JSONObject.java:194)
> >>> net.sf.json.JSONObject._processValue(JSONObject.java:2793)
> >>> net.sf.json.JSONObject._setInternal(JSONObject.java:2817)
> >>> net.sf.json.JSONObject.setValue(JSONObject.java:1527)
> >>> net.sf.json.JSONObject._fromBean(JSONObject.java:946)
> >>> net.sf.json.JSONObject.fromObject(JSONObject.java:194)
> >>> net.sf.json.JSONArray.fromObject(JSONArray.java:194)
> >>> net.sf.json.JSONSerializer.toJSON(JSONSerializer.java:113)
> >>> net.sf.json.JSONSerializer.toJSON(JSONSerializer.java:84)
> >>>
> >>> com
> >>> .proofpoint
> >>> .resources
> >>> .chartsvcs.impl.MyEntityProvider.writeTo(MyEntityProvider.java:33)
> >>
> >> you are apparently using either your own or a 3rd party entity
> >> writer,
> >> com.proofpoint.resources.chartsvcs.impl.MyEntityProvider.
> >> It is hard to diagnose your issue, given that i have no clue what
> >> it does.
> >>
> >> By any chance, have you tried using either Jersey provided writer
> >> or the Jackson writer?
> >>
> >> ~Jakub
> >>
> >>>
> >>> com
> >>> .sun
> >>> .jersey
> >>> .spi.container.ContainerResponse.write(ContainerResponse.java:266)
> >>>
> >>> com
> >>> .sun
> >>> .jersey
> >>> .server
> >>> .impl
> >>> .application
> >>> .WebApplicationImpl._handleRequest(WebApplicationImpl.java:814)
> >>>
> >>> com
> >>> .sun
> >>> .jersey
> >>> .server
> >>> .impl
> >>> .application
> >>> .WebApplicationImpl.handleRequest(WebApplicationImpl.java:740)
> >>>
> >>> com
> >>> .sun
> >>> .jersey
> >>> .server
> >>> .impl
> >>> .application
> >>> .WebApplicationImpl.handleRequest(WebApplicationImpl.java:731)
> >>>
> >>> com
> >>> .sun
> >>> .jersey
> >>> .spi.container.servlet.WebComponent.service(WebComponent.java:372)
> >>>
> >>> com
> >>> .sun
> >>> .jersey
> >>> .spi
> >>> .container.servlet.ServletContainer.service(ServletContainer.java:
> >>> 452)
> >>>
> >>> com
> >>> .sun
> >>> .jersey
> >>> .spi
> >>> .container.servlet.ServletContainer.service(ServletContainer.java:
> >>> 633)
> >>> javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
> >>>
> >>> --
> >>> View this message in context:
> >>> http://n2.nabble.com/net-sf-json-JSONException-There-is-a-cycle-in-the-hierarchy-tp4173118p4173118.html
> >>> Sent from the Jersey mailing list archive at Nabble.com.
> >>>
> >>>
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> >>>
> >>
> >> --
> >> http://blogs.sun.com/japod
> >>
> >>
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> >>
> >>
> >>
> >
> > --
> > View this message in context: http://n2.nabble.com/net-sf-json-JSONException-There-is-a-cycle-in-the-hierarchy-tp4173118p4177065.html
> > Sent from the Jersey mailing list archive at Nabble.com.
> >
> >
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> in the hierarchy!, click here.
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> View this message in context: RE: [Jersey]
> net.sf.json.JSONException: There is a cycle in the hierarchy!
> Sent from the Jersey mailing list archive at Nabble.com.