I followed the installation tutorial and successfully installed esa_snappy, but there was a problem when using the sample code
Environment:
Python: 3.6
SNAP Desktop: 11
Report an error:
Error while parsing JAI registry file "file:/E:/Software/esa-snap/snap/modules/ext/org.esa.snap.snap-core/org-geotools/gt-coverage.jar!/META-INF/registryFile.jai" :
Error in registry file at line number #31
A descriptor is already registered against the name "org.geotools.ColorReduction" under registry mode "rendered"
Error in registry file at line number #32
A descriptor is already registered against the name "org.geotools.ColorInversion" under registry mode "rendered"
Error while parsing JAI registry file "file:/E:/Software/esa-snap/snap/modules/ext/org.esa.snap.snap-core/org-jaitools/jt-zonalstats.jar!/META-INF/registryFile.jai" :
Error in registry file at line number #4
A descriptor is already registered against the name "ZonalStats" under registry mode "rendered"
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.esa.snap.runtime.Engine (file:/E:/Software/esa-snap/opttbx/modules/ext/eu.esa.opt.opttbx-c2rcc/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
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/E:/Software/esa-snap/snap/modules/org.esa.snap.snap-netcdf/org-slf4j/slf4j-simple.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/E:/Software/esa-snap/snap/modules/ext/org.esa.snap.snap-netcdf/org-slf4j/slf4j-simple.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.slf4j.impl.SimpleLoggerFactory]
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.


I followed the installation tutorial and successfully installed esa_snappy, but there was a problem when using the sample code
Environment:
Python: 3.6
SNAP Desktop: 11
Report an error: