mvn jetty:run failing Caused by: java.lang.RuntimeException: Error scanning entry META-INF/versions/9/javax/xml/bind/ModuleUtil.class

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I am trying to perform an mvn jetty:run on my project, however, the process keeps failing and I can't get the project running locally. From the error stack trace, I think a relevant one to focus on is Caused by: java.lang.RuntimeException: Error scanning entry META-INF/versions/9/javax/xml/bind/ModuleUtil.class from jar file:///C:/Users/Tabish/.m2/repository/javax/xml/bind/jaxb-api/2.3.0/jaxb-api-2.3.0.jar. I have tried changing the versions of jaxb but to no avail.

Here is the error trace

[WARNING] Failed startup of context o.e.j.m.p.JettyWebAppContext@4998e74b{/myntra-v4-proxy,[file:///C:/Users/Tabish/Documents/Increff/Code/proxies/myntra-v4-proxy/target/webapp-tmp/, jar:file:///C:/Users/Tabish/.m2/repository/io/springfox/springfox-swagger-ui/2.4.0/springfox-swagger-ui-2.4.0.jar!/META-INF/resources],STARTING}{file:///C:/Users/Tabish/Documents/Increff/Code/proxies/myntra-v4-proxy/target/webapp-tmp/}
org.eclipse.jetty.util.MultiException: Multiple exceptions
    at org.eclipse.jetty.annotations.AnnotationConfiguration.scanForAnnotations (AnnotationConfiguration.java:536)
    at org.eclipse.jetty.annotations.AnnotationConfiguration.configure (AnnotationConfiguration.java:447)
    at org.eclipse.jetty.webapp.WebAppContext.configure (WebAppContext.java:491)
    at org.eclipse.jetty.webapp.WebAppContext.startContext (WebAppContext.java:1336)
    at org.eclipse.jetty.server.handler.ContextHandler.doStart (ContextHandler.java:772)
    at org.eclipse.jetty.servlet.ServletContextHandler.doStart (ServletContextHandler.java:263)
    at org.eclipse.jetty.webapp.WebAppContext.doStart (WebAppContext.java:517)
    at org.eclipse.jetty.maven.plugin.JettyWebAppContext.doStart (JettyWebAppContext.java:398)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start (AbstractLifeCycle.java:68)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start (ContainerLifeCycle.java:132)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart (ContainerLifeCycle.java:114)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart (AbstractHandler.java:61)
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.doStart (ContextHandlerCollection.java:161)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start (AbstractLifeCycle.java:68)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start (ContainerLifeCycle.java:132)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart (ContainerLifeCycle.java:114)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart (AbstractHandler.java:61)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start (AbstractLifeCycle.java:68)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start (ContainerLifeCycle.java:132)
    at org.eclipse.jetty.server.Server.start (Server.java:405)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart (ContainerLifeCycle.java:106)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart (AbstractHandler.java:61)
    at org.eclipse.jetty.server.Server.doStart (Server.java:372)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start (AbstractLifeCycle.java:68)
    at org.eclipse.jetty.maven.plugin.AbstractJettyMojo.startJetty (AbstractJettyMojo.java:460)
    at org.eclipse.jetty.maven.plugin.AbstractJettyMojo.execute (AbstractJettyMojo.java:328)
    at org.eclipse.jetty.maven.plugin.JettyRunMojo.execute (JettyRunMojo.java:170)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:137)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:210)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:81)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:56)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:566)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)
    at org.codehaus.classworlds.Launcher.main (Launcher.java:47)
Caused by: org.eclipse.jetty.util.MultiException: Multiple exceptions
    at org.eclipse.jetty.annotations.AnnotationParser.parseJar (AnnotationParser.java:923)
    at org.eclipse.jetty.annotations.AnnotationParser.parse (AnnotationParser.java:851)
    at org.eclipse.jetty.annotations.AnnotationConfiguration$ParserTask.call (AnnotationConfiguration.java:163)
    at org.eclipse.jetty.annotations.AnnotationConfiguration$1.run (AnnotationConfiguration.java:548)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob (QueuedThreadPool.java:654)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run (QueuedThreadPool.java:572)
    at java.lang.Thread.run (Thread.java:834)
Caused by: java.lang.RuntimeException: Error scanning entry META-INF/versions/9/javax/xml/bind/ModuleUtil.class from jar file:///C:/Users/Tabish/.m2/repository/javax/xml/bind/jaxb-api/2.3.0/jaxb-api-2.3.0.jar
    at org.eclipse.jetty.annotations.AnnotationParser.parseJar (AnnotationParser.java:937)
    at org.eclipse.jetty.annotations.AnnotationParser.parse (AnnotationParser.java:851)
    at org.eclipse.jetty.annotations.AnnotationConfiguration$ParserTask.call (AnnotationConfiguration.java:163)
    at org.eclipse.jetty.annotations.AnnotationConfiguration$1.run (AnnotationConfiguration.java:548)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob (QueuedThreadPool.java:654)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run (QueuedThreadPool.java:572)
    at java.lang.Thread.run (Thread.java:834)
Caused by: java.lang.IllegalArgumentException
    at org.objectweb.asm.ClassReader.<init> (Unknown Source)
    at org.objectweb.asm.ClassReader.<init> (Unknown Source)
    at org.objectweb.asm.ClassReader.<init> (Unknown Source)
    at org.eclipse.jetty.annotations.AnnotationParser.scanClass (AnnotationParser.java:1003)
    at org.eclipse.jetty.annotations.AnnotationParser.parseJarEntry (AnnotationParser.java:984)
    at org.eclipse.jetty.annotations.AnnotationParser.parseJar (AnnotationParser.java:933)
    at org.eclipse.jetty.annotations.AnnotationParser.parse (AnnotationParser.java:851)
    at org.eclipse.jetty.annotations.AnnotationConfiguration$ParserTask.call (AnnotationConfiguration.java:163)
    at org.eclipse.jetty.annotations.AnnotationConfiguration$1.run (AnnotationConfiguration.java:548)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob (QueuedThreadPool.java:654)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run (QueuedThreadPool.java:572)
    at java.lang.Thread.run (Thread.java:834)
[INFO] Started ServerConnector@721bf7ad{HTTP/1.1,[http/1.1]}{0.0.0.0:9000}
[INFO] Started @31575ms
[INFO] Started Jetty Server

I am running with jdk-11.0.2. My pom.xml has the following dependencies and jetty plugin (one of which is causing the problem, I think)

        <dependency>
            <groupId>javax.xml.bind</groupId>
            <artifactId>jaxb-api</artifactId>
            <version>2.3.1</version>
        </dependency>

        <dependency>
            <groupId>org.glassfish</groupId>
            <artifactId>javax.el</artifactId>
            <version>3.0.0</version>
        </dependency>

        <!-- Lombok -->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.8</version>
            <scope>provided</scope>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.mockito/mockito-all -->
        <dependency>
            <groupId>org.mockito</groupId>
            <artifactId>mockito-all</artifactId>
            <version>${mockito.version}</version>
        </dependency>
...
            <plugin>
                <groupId>org.eclipse.jetty</groupId>
                <artifactId>jetty-maven-plugin</artifactId>
                <version>9.3.7.v20160115</version>
            </plugin>
...

How can I fix this to allow my project to run on the local machine?

pom.xml maven spring java
1 Answers
  1. By referring to pom of jaxb-api/2.3.0, the target jdk version is 9.
  2. By finding the dependency of jetty-annotations/9.3.7.v20160115, the dependency for "org.ow2.asm/asm" is 5.0.1 As JDK 9 is release in September 2017, it is quite certain that the asm library will not support java 9, we can also refer to source code for ClassReader
public class ClassReader {
...
    /**
     * Constructs a new {@link ClassReader} object.
     * 
     * @param b
     *            the bytecode of the class to be read.
     * @param off
     *            the start offset of the class data.
     * @param len
     *            the length of the class data.
     */
    public ClassReader(final byte[] b, final int off, final int len) {
        this.b = b;
        // checks the class version
        if (readShort(off + 6) > Opcodes.V1_8) {
            throw new IllegalArgumentException();
        }
...
}

We see that the class version is checked if the version is later than 1.8. Following program show how to check if the jar contain class not supported for ClassReader.

import java.io.ByteArrayOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.jar.JarFile;

import org.objectweb.asm.ClassReader;

public class ClassReaderJarVersionCheck {
    public static void main(String[] args) throws FileNotFoundException, IOException {
        checkClassVersion();
    }

    private static void checkClassVersion() {

        String jarPath = "{path_to_jar}\\jaxb-api-2.3.0.jar";
        try (JarFile jarFile = new JarFile(jarPath)) {
            jarFile.stream().forEach(jarEntry -> {
                if (jarEntry.isDirectory() || !jarEntry.getName().endsWith(".class")) {
                    return;
                }
                int version = -1;
                try {
                    byte[] byteArray = toByteArray(jarFile.getInputStream(jarEntry));
                    version = readShort(byteArray, 6);
                    new ClassReader(byteArray);
                } catch (IOException e) {
                    throw new RuntimeException(e);
                } catch (IllegalArgumentException e) {
                    System.out.println(jarEntry.getName() + " version: " + version);
                }
            });
        } catch (IOException ioe) {
            throw new RuntimeException(ioe);
        }
    }

    private static short readShort(byte[] b, int index) {
        return (short) (((b[index] & 0xFF) << 8) | (b[index + 1] & 0xFF));
    }

    private static byte[] toByteArray(InputStream is) throws IOException {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        int nRead;
        byte[] data = new byte[1024];
        while ((nRead = is.read(data, 0, data.length)) != -1) {
            buffer.write(data, 0, nRead);
        }
        buffer.flush();
        byte[] byteArray = buffer.toByteArray();
        return byteArray;
    }
}

Solution

Upgrade Jetty for JDK>=11

By referring to jetty 9.4.12 release announcement, update the dependency of jetty to version 9.4.12 to support JDK 11 should solve the problem.

Downgrade jaxb-api for JDK 8

Use version 2.2.11 as the next version 2.3.0 start adopting JDK 9

        <dependency>
            <groupId>javax.xml.bind</groupId>
            <artifactId>jaxb-api</artifactId>
            <version>2.2.11</version>
        </dependency>
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