Hello,
My question is, is it possible to build the GDAL bindings for Java 17? I am
trying to build GDAL with Java bindings for Java temurin-17.jdk when prior I
have been able to build and use the bindings successfully for Java
adoptopenjdk-8.jdk, using the exact same build process. However when I run the
equivalent build steps with Java 17 I continue to receive this link error when
implementing the bindings:
Native library load failed.
java.lang.UnsatisfiedLinkError: no gdalalljni in java.library.path: ...
Exception in thread "main" java.lang.UnsatisfiedLinkError: 'void
org.gdal.gdal.gdalJNI.AllRegister()'
at org.gdal.gdal.gdalJNI.AllRegister(Native Method)
at org.gdal.gdal.gdal.AllRegister(gdal.java:664) at Main.main(Main.java:14)
My system specs:
System Version: macOS 12.6.1 (21G217)
Kernel Version: Darwin 21.6.0
Boot Volume: Macintosh HD
Boot Mode: Normal
Secure Virtual Memory: Enabled
System Integrity Protection: Enabled
Time since boot: 15 days 20:17
Model Name: MacBook Pro
Model Identifier: MacBookPro18,3
Chip: Apple M1 Pro
When I run the build I see that the Java bindings are generated, the .jar and
libgdalalljni.dylib are created in /build/swig/java. Here are the build
commands used:
sudo arch -x86_64 /usr/local/homebrew/bin/cmake .. -DCMAKE_BUILD_TYPE=Release
-DCMAKE_INSTALL_PREFIX=/usr/local/bin -DBUILD_JAVA_BINDINGS=ON
-DBUILD_PYTHON_BINDINGS=OFF -DCMAKE_OSX_ARCHITECTURES=x86_64 -DGDAL_USE_ZSTD=OFF
sudo arch -x86_64 /usr/local/homebrew/bin/cmake --build .
sudo arch -x86_64 /usr/local/homebrew/bin/cmake --build . --target install
Again, all of the above steps work when I am using JDK 8. So does GDAL support
Java bindings for JDK 17? Is there a way to resolve the error no gdalalljni in
java.library.path? Here are the path settings in IntelliJ IDE:
VM options:
-Djava.library.path=/Users/<username>/code/gdal-<version>/build/swig/java:$PATH$
Environment Vars:
PATH=/Users/<username>/code/gdal-<version>:/Users/<username>/code/gdal-<version>/build/swig/java:$PATH$
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