Snap2stamps warning

snap
1

Running the snap2stamp using Anaconda on a virtual environment using Python version 2.7 and Snap 11.

using snap2stamp version 1

Does this warning affects the processed data and how do I fix this?

C:\Thesis\Training/slaves\20211101
[‘C:\Thesis\Training/slaves\20211101\S1A_IW_SLC__1SDV_20211101T213141_20211101T213207_040383_04C95B_E3D1.SAFE.zip’]
FILE(s) : C:\Thesis\Training/slaves\20211101\S1A_IW_SLC__1SDV_20211101T213141_20211101T213207_040383_04C95B_E3D1.SAFE.zip
[‘C:\Program Files\esa-snap\bin\gpt’, ‘C:\Thesis\Training/graphs/splitgraph2run.xml’, ‘-c’, ‘12G’, ‘-q’, ‘20’]
SNAP STDOUT:WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.esa.snap.runtime.Engine (file:/C:/Program%20Files/esa-snap/snap/modules/ext/org.esa.snap.snap-core/org-esa-snap/snap-runtime.jar) to method java.lang.ClassLoader.initializePath(java.lang.String)
WARNING: Please consider reporting this to the maintainers of org.esa.snap.runtime.Engine
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
INFO: org.esa.snap.core.gpf.operators.tooladapter.ToolAdapterIO: Initializing external tool adapters
INFO: org.esa.snap.core.util.EngineVersionCheckActivator: Please check regularly for new updates for the best SNAP experience.
Executing processing graph
INFO: org.esa.snap.engine_utilities.download.DownloadableContentImpl: http retrieving http://step.esa.int/auxdata/orbits/Sentinel-1/POEORB/S1A/2021/10/S1A_OPER_AUX_POEORB_OPOD_20211121T122257_V20211031T225942_20211102T005942.EOF.zip
…10%…20%…30%…40%…50%…60%…70%…80%…90% done.

[1] Finished process in 95.5499999523 seconds.
Split slave [‘C:\Thesis\Training/slaves\20211101\S1A_IW_SLC__1SDV_20211101T213141_20211101T213207_040383_04C95B_E3D1.SAFE.zip’] successfully completed.

2

Dear @thinkingbot,

The An illegal reflective access operation has occurred warning does not affect SNAP processing.

1 Like
3

you can also consider to update to the snap2stamps v2, which uses python 3.x instead of the 2.7

1 Like
4

I will be checking that out, just using this old version since this one do have tutorials and related reference. Also, is this result normal?

[‘C:\Program Files\esa-snap\bin\gpt’, ‘D:\Goni_Bicol\graphs/export2run.xml’, ‘-c’, ‘12G’, ‘-q’, ‘6’]
SNAP STDOUT:WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.esa.snap.runtime.Engine (file:/C:/Program%20Files/esa-snap/snap/modules/ext/org.esa.snap.snap-core/org-esa-snap/snap-runtime.jar) to method java.lang.ClassLoader.initializePath(java.lang.String)
WARNING: Please consider reporting this to the maintainers of org.esa.snap.runtime.Engine
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
INFO: org.esa.snap.core.gpf.operators.tooladapter.ToolAdapterIO: Initializing external tool adapters
INFO: org.esa.snap.core.util.EngineVersionCheckActivator: Please check regularly for new updates for the best SNAP experience.
Executing processing graph
…first_line_time metadata value is null
last_line_time metadata value is null
INFO: org.esa.snap.core.dataop.dem.ElevationFile: http retrieving https://download.esa.int/step/auxdata/dem/SRTM90/tiff/srtm_61_10.zip
– org.jblas INFO Starting temp DLL cleanup task.
– org.jblas INFO Deleted 4 unused temp DLL libraries from C:\Users\Jash\AppData\Local\Temp
.11%…22%…32%…43%…53%…64%…75%…85%… done.

[1] Finished process in 81.7100000381 seconds.
Stamps export of _20200802_IW3.dim successfully completed.

5

do I have to worry about the executing processing graph first line time metadata value is null?