I'm trying to migrate a project to Quarkus. The project has a dependency on a local .jar file. Running the app with Quarkus results in java.lang.NoClassDefFoundError/java.lang.ClassNotFoundException for classes residing in said jar.
I'm using gradle as the build tool and the local jar file is added as a dependency using:
implementation fileTree(dir: 'libs', include: ['*.jar'])
Suppose the library contains some class Foo with a static method init(), then the following code results in an error:
// From the local jar
import org.somepackage.Foo;
@Startup
@Singleton
public class Main {
@PostConstruct
public void initLocalLibrary() {
Foo.init();
}
}
The exact output is
2020-04-19 18:31:21,266 ERROR [io.qua.application] (main) Failed to start application: java.lang.NoClassDefFoundError: org/somepackage/Foo
at Main.initLocalLibrary(Main.java:)
at Main.initLocalLibrary_Bean.create(Main_Bean.zig:129)
at Main_Bean.create(Main_Bean.zig:183)
Caused by: java.lang.ClassNotFoundException: org.somepackage.Foo
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
at io.quarkus.bootstrap.classloading.QuarkusClassLoader.loadClass(QuarkusClassLoader.java:322)
at io.quarkus.bootstrap.classloading.QuarkusClassLoader.loadClass(QuarkusClassLoader.java:275)
at io.quarkus.bootstrap.classloading.QuarkusClassLoader.loadClass(QuarkusClassLoader.java:322)
at io.quarkus.bootstrap.classloading.QuarkusClassLoader.loadClass(QuarkusClassLoader.java:275)
... 35 more
2020-04-19 18:31:21,302 ERROR [io.qua.dev.DevModeMain] (main) Failed to start Quarkus: java.lang.RuntimeException: Failed to start quarkus
at io.quarkus.runner.ApplicationImpl.doStart(ApplicationImpl.zig:232)
at io.quarkus.runtime.Application.start(Application.java:90)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at io.quarkus.runner.bootstrap.StartupActionImpl.run(StartupActionImpl.java:99)
at io.quarkus.dev.IsolatedDevModeMain.firstStart(IsolatedDevModeMain.java:60)
at io.quarkus.dev.IsolatedDevModeMain.accept(IsolatedDevModeMain.java:236)
at io.quarkus.dev.IsolatedDevModeMain.accept(IsolatedDevModeMain.java:39)
at io.quarkus.bootstrap.app.CuratedApplication.runInCl(CuratedApplication.java:131)
at io.quarkus.bootstrap.app.CuratedApplication.runInAugmentClassLoader(CuratedApplication.java:84)
at io.quarkus.dev.DevModeMain.start(DevModeMain.java:113)
at io.quarkus.dev.DevModeMain.main(DevModeMain.java:54)
Running the application without Quarkus works fine.
