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OpenGovIntelligence / json-qb-api-implementation

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NPE #11

Open keeganmcbride opened 7 years ago

keeganmcbride commented 7 years ago

This URL throws an NPE: http://wapps.islab.uom.gr:8084/JSON-QB-REST-API/table?dataset=http://id.mkm.ee/statistics/def/cube/crashes_day_time&measure%5B%5D=http://id.mkm.ee/statistics/def/measure/number_of_crashes&row%5B%5D=http://id.mkm.ee/statistics/def/dimension/day&http://id.mkm.ee/statistics/def/dimension/time=http://id.mkm.ee/statistics/concept/time/09

It seems that in the crash dataset anytime the "time" dimension is a number starting with 0 (00 through 09) an NPE is thrown (see stacktrace).

java.lang.NullPointerException
 org.certh.jsonqb.core.SPARQLresultTransformer.toQBTable(SPARQLresultTransformer.java:268)
 org.certh.jsonqb.core.CubeSPARQL.getTable(CubeSPARQL.java:418)
 org.certh.jsonqb.api.impl.ImplRESTapi.getTable(ImplRESTapi.java:500)
 sun.reflect.GeneratedMethodAccessor39.invoke(Unknown Source)
 sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 java.lang.reflect.Method.invoke(Unknown Source)
 com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
 com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205)
 com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
 com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)
 com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
 com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
 com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
 com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
 com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1542)
 com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1473)
 com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1419)
 com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1409)
 com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:409)
 com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:558)
 com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:733)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
 org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)