java.util.zip.ZipException: error in opening zip file

at java.util.zip.ZipFile.open(Native Method)

at java.util.zip.ZipFile.(Unknown Source)

at java.util.zip.ZipFile.(Unknown Source)

at java.util.zip.ZipFile.(Unknown Source)

at org.esa.snap.dem.dataio.EarthGravitationalModel96.(EarthGravitationalModel96.java:104)

at org.esa.snap.dem.dataio.EarthGravitationalModel96.create(EarthGravitationalModel96.java:85)

at org.esa.snap.dem.dataio.EarthGravitationalModel96.instance(EarthGravitationalModel96.java:77)

at org.esa.snap.dem.dataio.FileElevationTile.(FileElevationTile.java:42)

at org.esa.snap.dem.dataio.FileElevationModel.init(FileElevationModel.java:64)

at org.esa.snap.dem.dataio.FileElevationModel.(FileElevationModel.java:49)

at org.esa.s1tbx.sar.gpf.geometric.RangeDopplerGeocodingOp.getElevationModel(RangeDopplerGeocodingOp.java:486)

at org.esa.s1tbx.sar.gpf.geometric.RangeDopplerGeocodingOp.computeTileStack(RangeDopplerGeocodingOp.java:846)

Caused: org.esa.snap.core.gpf.OperatorException: error in opening zip file

at org.esa.s1tbx.sar.gpf.geometric.RangeDopplerGeocodingOp.computeTileStack(RangeDopplerGeocodingOp.java:849)

Caused: org.esa.snap.core.gpf.OperatorException: error in opening zip file

at org.esa.snap.engine_utilities.gpf.OperatorUtils.catchOperatorException(OperatorUtils.java:415)

at org.esa.s1tbx.sar.gpf.geometric.RangeDopplerGeocodingOp.computeTileStack(RangeDopplerGeocodingOp.java:1063)

at org.esa.snap.core.gpf.internal.OperatorImageTileStack.computeRect(OperatorImageTileStack.java:116)

at org.esa.snap.core.gpf.internal.OperatorImageTileStack.computeTile(OperatorImageTileStack.java:85)

at com.sun.media.jai.util.SunTileScheduler.scheduleTile(SunTileScheduler.java:904)

Caused: org.esa.snap.core.gpf.OperatorException: error in opening zip file

at org.esa.snap.core.gpf.internal.OperatorExecutor$GPFImagingListener.errorOccurred(OperatorExecutor.java:376)

at com.sun.media.jai.util.SunTileScheduler.sendExceptionToListener(SunTileScheduler.java:1646)

at com.sun.media.jai.util.SunTileScheduler.scheduleTile(SunTileScheduler.java:921)

at javax.media.jai.OpImage.getTile(OpImage.java:1129)

at javax.media.jai.PlanarImage.getData(PlanarImage.java:2085)

at com.bc.ceres.glevel.MultiLevelImage.getData(MultiLevelImage.java:64)

at org.esa.snap.core.gpf.internal.OperatorContext.getSourceTile(OperatorContext.java:407)

at org.esa.snap.core.gpf.internal.OperatorContext.getSourceTile(OperatorContext.java:393)

at org.esa.snap.core.gpf.internal.OperatorImage.computeRect(OperatorImage.java:73)

at javax.media.jai.SourcelessOpImage.computeTile(SourcelessOpImage.java:137)

at com.sun.media.jai.util.SunTileScheduler.scheduleTile(SunTileScheduler.java:904)

at javax.media.jai.OpImage.getTile(OpImage.java:1129)

at com.sun.media.jai.util.RequestJob.compute(SunTileScheduler.java:247)

[catch] at com.sun.media.jai.util.WorkerThread.run(SunTileScheduler.java:468)

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