[netcdf-java] SecurityException while reading a grib2 dataset

• To: NetCDF-Java community <netcdf-java@xxxxxxxxxxxxxxxx>
• Subject: [netcdf-java] SecurityException while reading a grib2 dataset
• From: John Caron <caron@xxxxxxxx>
• Date: Sun, 2 Nov 2014 16:40:39 -0700

   - *To*: netcdf-java@xxxxxxxxxxxxxxxx <netcdf-java@DOMAIN.HIDDEN>
   - *Subject*: [netcdf-java] SecurityException while reading a grib2
   dataset
   - *From*: "Akkineni, Vijay" <akkineni.vijay@xxxxxxxxx
   <akkineni.vijay@DOMAIN.HIDDEN>>
   - *Date*: Wed, 29 Oct 2014 14:53:07 -0400

HI All,


 Having an issue after upgrading Netcdf-java from 4.5.2 to 4.5.3, I am seeing
the below exception while reading grib file. Any suggestions on how to resolve
this exception.

014-10-29 14:19:58,760 [1414606797613:102313601] ERROR ucar.nc2.dt.grid.GeoGrid
- GeoGrid.getdataSlice() on dataset
VAR0-15-193_FROM_161-0--1_altitude_above_msl
/tmp/raster/grid.global_hqnowrad.20141014T162500Z.NIL.P0D.TILE1@xxxxxxxxxxxxxxxxxxx
java.lang.SecurityException: sealing violation: package jj2000.j2k.util is
sealed
        at java.net.URLClassLoader.getAndVerifyPackage(URLClassLoader.java:388)
~[na:1.7.0_51]
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:417)
~[na:1.7.0_51]
        at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
~[na:1.7.0_51]
        at java.net.URLClassLoader$1.run(URLClassLoader.java:361) ~[na:1.7.0_51]
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355) ~[na:1.7.0_51]
        at java.security.AccessController.doPrivileged(Native Method)
~[na:1.7.0_51]
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
~[na:1.7.0_51]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:425) ~[na:1.7.0_51]
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
~[na:1.7.0_51]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ~[na:1.7.0_51]
        at
ucar.nc2.grib.grib2.Grib2JpegDecoder.<init>(Grib2JpegDecoder.java:119)
~[grib-4.5.3.jar:4.5.3]
        at
ucar.nc2.grib.grib2.Grib2DataReader2.getData40(Grib2DataReader2.java:726)
~[grib-4.5.3.jar:4.5.3]
        at
ucar.nc2.grib.grib2.Grib2DataReader2.getData(Grib2DataReader2.java:109)
~[grib-4.5.3.jar:4.5.3]
        at ucar.nc2.grib.grib2.Grib2Record.readData(Grib2Record.java:319)
~[grib-4.5.3.jar:4.5.3]
        at ucar.nc2.grib.collection.Grib2Iosp.readData(Grib2Iosp.java:404)
~[grib-4.5.3.jar:4.5.3]
        at ucar.nc2.grib.collection.GribIosp$DataReader.read(GribIosp.java:912)
~[grib-4.5.3.jar:4.5.3]
        at
ucar.nc2.grib.collection.GribIosp.readDataFromCollection(GribIosp.java:847)
~[grib-4.5.3.jar:4.5.3]
        at ucar.nc2.grib.collection.GribIosp.readData(GribIosp.java:797)
~[grib-4.5.3.jar:4.5.3]
        at ucar.nc2.NetcdfFile.readData(NetcdfFile.java:1982)
~[cdm-4.5.3.jar:4.5.3]
        at ucar.nc2.Variable.reallyRead(Variable.java:858)
~[cdm-4.5.3.jar:4.5.3]
        at ucar.nc2.Variable._read(Variable.java:829) ~[cdm-4.5.3.jar:4.5.3]
        at ucar.nc2.Variable.read(Variable.java:707) ~[cdm-4.5.3.jar:4.5.3]
        at ucar.nc2.dataset.VariableDS.reallyRead(VariableDS.java:523)
~[cdm-4.5.3.jar:4.5.3]
        at ucar.nc2.dataset.VariableDS._read(VariableDS.java:507)
~[cdm-4.5.3.jar:4.5.3]
        at ucar.nc2.dataset.VariableDS._read(VariableDS.java:531)
~[cdm-4.5.3.jar:4.5.3]
        at ucar.nc2.Variable.read(Variable.java:693) ~[cdm-4.5.3.jar:4.5.3]
        at ucar.nc2.Variable.read(Variable.java:639) ~[cdm-4.5.3.jar:4.5.3]
        at ucar.nc2.dt.grid.GeoGrid.readDataSlice(GeoGrid.java:606)
[cdm-4.5.3.jar:4.5.3]
        at ucar.nc2.dt.grid.GeoGrid.readDataSlice(GeoGrid.java:517)
[cdm-4.5.3.jar:4.5.3]


Hi:


Its likely a classpath issue. How are you starting up your java program?

Are you using netCDFAll.jar? Which version?


John