In attempts to make a standalone JAR that I can launch cleanly and independently, I've ran into issues involving Jersey and my desirable, fat JAR. The final jar will be moved to a Docker image.
The error that I am getting is essentially this:
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.glassfish.jersey.server.ResourceConfig]: Factory method 'jerseyResourceConfig' threw exception; nested exception is org.glassfish.jersey.server.internal.scanning.ResourceFinderException: java.io.FileNotFoundException: /dir/myproject-1.0.0-SNAPSHOT.jar!/BOOT-INF/classes (No such file or directory)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:189)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:588)
... 48 common frames omitted
Caused by: org.glassfish.jersey.server.internal.scanning.ResourceFinderException: java.io.FileNotFoundException: /dir/myproject/target/myproject-1.0.0-SNAPSHOT.jar!/BOOT-INF/classes (No such file or directory)
at org.glassfish.jersey.server.internal.scanning.JarZipSchemeResourceFinderFactory.create(JarZipSchemeResourceFinderFactory.java:89)
at org.glassfish.jersey.server.internal.scanning.JarZipSchemeResourceFinderFactory.create(JarZipSchemeResourceFinderFactory.java:65)
at org.glassfish.jersey.server.internal.scanning.PackageNamesScanner.addResourceFinder(PackageNamesScanner.java:282)
at org.glassfish.jersey.server.internal.scanning.PackageNamesScanner.init(PackageNamesScanner.java:198)
at org.glassfish.jersey.server.internal.scanning.PackageNamesScanner.<init>(PackageNamesScanner.java:154)
at org.glassfish.jersey.server.internal.scanning.PackageNamesScanner.<init>(PackageNamesScanner.java:110)
at org.glassfish.jersey.server.ResourceConfig.packages(ResourceConfig.java:680)
at org.glassfish.jersey.server.ResourceConfig.packages(ResourceConfig.java:660)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162)
... 49 common frames omitted
Caused by: java.io.FileNotFoundException: /dir/myproject/target/myproject-1.0.0-SNAPSHOT.jar!/BOOT-INF/classes (No such file or directory)
Here is my build profile in my POM file:
<profile>
<id>d2</id>
<activation>
<activeByDefault>false</activeByDefault>
</activation>
<properties>
<packaging.type>jar</packaging.type>
<log.dir>logs</log.dir>
<!-- updates bootstrap.properties -->
<config.override.path>./conf</config.override.path>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<requiresUnpack>
<dependency>
<groupId>my.com</groupId>
<artifactId>myArtifact</artifactId>
</dependency>
</requiresUnpack>
</configuration>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
Finally, here are all of the jersey dependencies that I am using:
org.springframework.boot:spring-boot-starter-jersey:jar:1.5.12.RELEASE:compile
| | +- org.glassfish.jersey.core:jersey-server:jar:2.25.1:compile
| | | +- org.glassfish.jersey.core:jersey-client:jar:2.25.1:compile
| | | +- org.glassfish.jersey.media:jersey-media-jaxb:jar:2.25.1:compile
| | +- org.glassfish.jersey.containers:jersey-container-servlet:jar:2.25.1:compile
| | +- org.glassfish.jersey.ext:jersey-bean-validation:jar:2.25.1:compile
| | +- org.glassfish.jersey.ext:jersey-spring3:jar:2.25.1:compile
| | \- org.glassfish.jersey.media:jersey-media-json-jackson:jar:2.25.1:compile
| | +- org.glassfish.jersey.ext:jersey-entity-filtering:jar:2.25.1:compile
................................................................................
| | +- org.glassfish.jersey.connectors:jersey-apache-connector:jar:2.17:compile
................................................................................
| \- io.swagger:swagger-jersey2-jaxrs:jar:1.5.6:compile
| +- org.glassfish.jersey.containers:jersey-container-servlet-core:jar:2.25.1:compile
| | +- org.glassfish.hk2.external:javax.inject:jar:2.5.0-b32:compile
| | \- org.glassfish.jersey.core:jersey-common:jar:2.25.1:compile
| | +- org.glassfish.jersey.bundles.repackaged:jersey-guava:jar:2.25.1:compile
| \- org.glassfish.jersey.media:jersey-media-multipart:jar:2.25.1:compile
I've read through all of the sources that are referenced from this SO question. I was led through a few github issues that both Spring and Jersey have apparently fixed, yet I am still dealing with these complications. The unique thing about my complication is that the boot-inf/classes that are not found is directly inside my jar and referencing the project itself. Its not complaining about a different, depended on jar, its complaining about the project's own /BOOT-INF/classes.
Any additional insight not mentioned in the aforementioned SO question would be extremely useful! I find that Java is incredibly more difficult to work with in Docker than any other stack that I've experienced (python-django and node-js). Let me know if more information is desired.
