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[IDV #JKM-362576]: Java heap space



Youssef,

You have a few different options here:

Choose a smaller number of time steps for the WRF output you are trying to load
into the IDV.

Increase the amount of memory available to the IDV:
https://www.unidata.ucar.edu/software/idv/docs/userguide/misc/PerformanceTuning.html

Find a computer with greater memory capacity and use the IDV from that computer.

Best,

Unidata IDV Support

> Full Name: Youssef
> Package Version: 5.3 build date:2016-05-23 19:17 UTC
> Operating System: Windows 7
> Hardware: Java: home: D:\IDV_5.3\jre version: 1.8.0_45 
> j3d:1.6.0-pre9-daily-experimental daily
> Description of problem: Creating display: Color-Shaded Plan View
> Java heap space
> 
> ******************
> Stack trace:
> java.lang.OutOfMemoryError: Java heap space
> at visad.Set.copyFloats(Set.java:553)
> at visad.SampledSet.getSamples(SampledSet.java:384)
> at visad.SampledSet.getSamples(SampledSet.java:364)
> at 
> visad.EmpiricalCoordinateSystem.ensureNoCoordinateSystem(EmpiricalCoordinateSystem.java:150)
> at visad.EmpiricalCoordinateSystem.<init>(EmpiricalCoordinateSystem.java:105)
> at 
> ucar.unidata.data.grid.GeoGridAdapter.makeDomainWithVerticalTransform(GeoGridAdapter.java:1082)
> at 
> ucar.unidata.data.grid.GeoGridAdapter.getSpatialDomainSetInner(GeoGridAdapter.java:438)
> at 
> ucar.unidata.data.grid.GeoGridAdapter.getSpatialDomainSet(GeoGridAdapter.java:353)
> at 
> ucar.unidata.data.grid.GeoGridAdapter.getFlatField(GeoGridAdapter.java:1233)
> at 
> ucar.unidata.data.grid.GeoGridAdapter.readTimeStep(GeoGridAdapter.java:1560)
> at ucar.unidata.data.grid.GeoGridAdapter.access$100(GeoGridAdapter.java:113)
> at ucar.unidata.data.grid.GeoGridAdapter$1.run(GeoGridAdapter.java:1455)
> at visad.util.ThreadManager.runInParallel(ThreadManager.java:273)
> at visad.util.ThreadManager.runInParallel(ThreadManager.java:245)
> at visad.util.ThreadManager.runSequentially(ThreadManager.java:223)
> at 
> ucar.unidata.data.grid.GeoGridAdapter.makeSequence(GeoGridAdapter.java:1470)
> at ucar.unidata.data.grid.GeoGridAdapter.getSequence(GeoGridAdapter.java:1140)
> at 
> ucar.unidata.data.grid.GeoGridDataSource.makeFieldImpl(GeoGridDataSource.java:2139)
> at 
> ucar.unidata.data.grid.GeoGridDataSource.getDataInner(GeoGridDataSource.java:1401)
> at ucar.unidata.data.DataSourceImpl.getData(DataSourceImpl.java:2399)
> at ucar.unidata.data.DirectDataChoice.getData(DirectDataChoice.java:333)
> at ucar.unidata.data.DerivedDataChoice.setData(DerivedDataChoice.java:643)
> at 
> ucar.unidata.data.DerivedDataChoice.collectOperands(DerivedDataChoice.java:547)
> at ucar.unidata.data.DerivedDataChoice.getData(DerivedDataChoice.java:746)
> at ucar.unidata.data.DataChoice.getData(DataChoice.java:628)
> at ucar.unidata.data.DataInstance.getData(DataInstance.java:243)
> at ucar.unidata.data.DataInstance.getData(DataInstance.java:207)
> at ucar.unidata.data.grid.GridDataInstance.init(GridDataInstance.java:206)
> at ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java:163)
> at ucar.unidata.data.grid.GridDataInstance.<init>(GridDataInstance.java:144)
> at 
> ucar.unidata.idv.control.GridDisplayControl.doMakeDataInstance(GridDisplayControl.java:294)
> at 
> ucar.unidata.idv.control.DisplayControlImpl.initializeDataInstance(DisplayControlImpl.java:3319)
> 
> 
> 


Ticket Details
===================
Ticket ID: JKM-362576
Department: Support IDV
Priority: Normal
Status: Closed
===================
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