作者:沙上的蜃楼 | 来源:互联网 | 2022-11-28 10:05
我在我的项目中添加了graal库来执行Java中的Javascript。我的项目在spingboot框架上工作。
compile group: 'org.graalvm.sdk', name: 'graal-sdk', version: '1.0.0-rc9'
compile group: 'org.graalvm.js', name: 'js', version: '1.0.0-rc9'
compile group: 'org.graalvm.js', name: 'js-scriptengine', version: '1.0.0-rc9'
compile group: 'org.graalvm.tools', name: 'profiler', version: '1.0.0-rc9'
compile group: 'org.graalvm.tools', name: 'chromeinspector', version: '1.0.0-rc9'
compile group: 'org.graalvm.truffle', name: 'truffle-api', version: '1.0.0-rc9'
如果我直接使用“ gradle bootRun”或IDEA运行我的项目,则初始化成功并可以正常工作。
如果我将项目投标到包含所有库的胖罐中,graal初始化将失败并抛出FileSystemNotFoundException。
java.nio.file.FileSystemNotFoundException: null
at jdk.zipfs/jdk.nio.zipfs.ZipFileSystemProvider.getFileSystem(ZipFileSystemProvider.java:169)
at jdk.zipfs/jdk.nio.zipfs.ZipFileSystemProvider.getPath(ZipFileSystemProvider.java:155)
at java.base/java.nio.file.Paths.get(Paths.java:143)
at com.oracle.truffle.polyglot.LanguageCache.collectLanguages(LanguageCache.java:284)
at com.oracle.truffle.polyglot.LanguageCache.createLanguages(LanguageCache.java:211)
at com.oracle.truffle.polyglot.LanguageCache.languages(LanguageCache.java:201)
at com.oracle.truffle.polyglot.PolyglotEngineImpl.initializeLanguages(PolyglotEngineImpl.java:480)
at com.oracle.truffle.polyglot.PolyglotEngineImpl.(PolyglotEngineImpl.java:168)
at com.oracle.truffle.polyglot.PolyglotEngineImpl.(PolyglotEngineImpl.java:152)
at com.oracle.truffle.polyglot.PolyglotImpl.buildEngine(PolyglotImpl.java:197)
at org.graalvm.polyglot.Engine$Builder.build(Engine.java:488)
at org.graalvm.polyglot.Context$Builder.build(Context.java:1083)
at org.graalvm.polyglot.Context.create(Context.java:660)
at ocpm.pcf.policyengine.engine.cache.JavascriptPolicyParser.graalParse(JavascriptPolicyParser.java:48)
我在异常堆栈中调试了ponit,发现graal希望在js-1.0.0-rc9.jar中初始化“启动”配置文件。但是在上述情况下,它使用了不同的URI模式。
- In the first scenario, the URI is "jar:file:/C:/Users/texu/.gradle/caches/modules-2/files-2.1/org.graalvm.js/js/1.0.0-rc9/25f41dd171dfa5c5921bc1f6bbdf7860279fc43c/js-1.0.0-rc9.jar!/META-INF/truffle/language", which is a normal file path;
- In the second scenario, the URI is "jar:file:/app/policy-engine.jar!/BOOT-INF/lib/js-1.0.0-rc9.jar!/META-INF/truffle/language", which is a path of nested jar.
那么,如何在springboot胖子罐中初始化graal?