Re: [thredds] Subset service fails as Point Data

• To: Kyle Wilcox <KWilcox@xxxxxxxxxxxxxx>
• Subject: Re: [thredds] Subset service fails as Point Data
• From: John Caron <caron@xxxxxxxxxxxxxxxx>
• Date: Fri, 10 Jul 2009 18:44:13 -0600

Hi Kyle:

I am working on a fix for this, thanks for reporting the problem....

Kyle Wilcox wrote:

Hello all,

I have a dataset that works correctly with the grid subset, ncWMS, and any other NetCDF tool I can come across. It is failing with the THREDDS NetCDF subset when requesting point data.

Dataset: http://staging.asascience.com:8989/thredds/catalog/Cadiz/Currents/catalog.html?dataset=Cadiz/Currents/EGM200_3.nc

Point Subset: http://staging.asascience.com:8989/thredds/ncss/grid/Cadiz/Currents/EGM200_3.nc/pointDataset.html

Request: http://staging.asascience.com:8989 /thredds/ncss/grid/Cadiz/Currents/EGM200_3.nc?var=u_wind,v_wind&latitude=35&longitude=-6&temporal=point&accept=xml&point=true&time_end=present&time_duration=P3D

Trace:

2009-07-08T17:32:13.277 -0400 [ 5142656][ 167] ERROR - thredds.server.ncSubset.GridServlet - GridServlet.processGridAsPoint

java.lang.ArrayIndexOutOfBoundsException

                at ucar.ma2.Index2D.setDirect(Index2D.java:135)

                at ucar.ma2.ArrayDouble$D2.get(ArrayDouble.java:295)

at ucar.nc2.dataset.CoordinateAxis2D.getCoordValue(CoordinateAxis2D.java:75)

at ucar.nc2.dt.grid.GridCoordSys.getLatLon(GridCoordSys.java:1026)

at ucar.nc2.dt.grid.GridAsPointDataset.readData(GridAsPointDataset.java:100)

at thredds.server.ncSubset.GridPointWriter.write(GridPointWriter.java:253)

at thredds.server.ncSubset.GridServlet.processGridAsPoint(GridServlet.java:259)

at thredds.server.ncSubset.GridServlet.doGet(GridServlet.java:171)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)

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 thredds.servlet.filter.RequestQueryFilter.doFilter(RequestQueryFilter.java:121)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)

at thredds.servlet.filter.RequestPathFilter.doFilter(RequestPathFilter.java:105)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)

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.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)

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)

Is this most likely caused by an incorrect dataset?

*Kyle Wilcox*

*ASA **|** Science. Services. Solutions.*

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• References:
  • [thredds] Subset service fails as Point Data
    • From: Kyle Wilcox