如何在AWS Lambda中加载本机库？

Question

task buildZip(type: Zip) {
archiveName = "${project.name}.zip"
from compileJava
from processResources
from('.') {
    include 'lib/**'
    include 'bin/**'
}
into('lib') {
    from configurations.runtime
}
}

ava.lang.UnsatisfiedLinkError: Unable to load library '/var/task/lib/libvips.so': Native library (var/task/lib/libvips.so) not found in resource path ([file:/var/task/, file:/var/task/lib/aopalliance-repackaged-2.5.0-b42.jar, file:/var/task/lib/asm-all-repackaged-2.5.0-b42.jar, file:/var/task/lib/aws-java-sdk-core-1.11.336.jar, file:/var/task/lib/aws-java-sdk-kms-1.11.336.jar, file:/var/task/lib/aws-java-sdk-s3-1.11.336.jar, file:/var/task/lib/aws-lambda-java-core-1.1.0.jar,....

Answer 1

您需要指定java.library.pathJVM属性。

通过修改JVM命令行选项

 JAVA_OPTS = $JAVA_OPS -Djava.library.path= /var/task/lib/ 
 java $JAVA_OPTS ...

或者直接在代码中修改

System.setProperty("java.library.path", "/var/task/lib/");
System.loadLibrary("libvips.so");