Issue
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?
Solution
- By referring to pom of jaxb-api/2.3.0, the target jdk version is 9.
- 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>
Answered By - samabcde