Maven crashes when trying to compile a project "Error executing Maven."

Question

I'm trying to compile a project that uses maven.

Running mvn compile results in the following error:

[ERROR] Error executing Maven.
[ERROR] java.lang.IllegalStateException: Unable to load cache item
[ERROR] Caused by: Unable to load cache item
[ERROR] Caused by: Could not initialize class com.google.inject.internal.cglib.core.$ReflectUtils

This happens anywhere that I run this, it doesn't have to be in the project directory.

What am I doing wrong?

maven 3.3.9, ubuntu 17.04

Full output from mvn -X:

Apache Maven 3.3.9
Maven home: /usr/share/maven
Java version: 9-Ubuntu, vendor: Oracle Corporation
Java home: /usr/lib/jvm/java-9-openjdk-amd64
Default locale: en_GB, platform encoding: UTF-8
OS name: "linux", version: "4.10.0-21-generic", arch: "amd64", family: "unix"
[ERROR] Error executing Maven.
com.google.common.util.concurrent.UncheckedExecutionException: java.lang.IllegalStateException: Unable to load cache item
    at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2205)
    at com.google.common.cache.LocalCache.get(LocalCache.java:3951)
    at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3955)
    at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4870)
    at com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4876)
    at com.google.inject.internal.FailableCache.get(FailableCache.java:48)
    at com.google.inject.internal.ConstructorInjectorStore.get(ConstructorInjectorStore.java:50)
    at com.google.inject.internal.ConstructorBindingImpl.initialize(ConstructorBindingImpl.java:137)
    at com.google.inject.internal.InjectorImpl.initializeBinding(InjectorImpl.java:533)
    at com.google.inject.internal.AbstractBindingProcessor$Processor$1.run(AbstractBindingProcessor.java:160)
    at com.google.inject.internal.ProcessedBindingData.initializeBindings(ProcessedBindingData.java:44)
    at com.google.inject.internal.InternalInjectorCreator.initializeStatically(InternalInjectorCreator.java:123)
    at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:107)
    at com.google.inject.Guice.createInjector(Guice.java:99)
    at com.google.inject.Guice.createInjector(Guice.java:73)
    at com.google.inject.Guice.createInjector(Guice.java:62)
    at org.codehaus.plexus.DefaultPlexusContainer.addPlexusInjector(DefaultPlexusContainer.java:481)
    at org.codehaus.plexus.DefaultPlexusContainer.<init>(DefaultPlexusContainer.java:206)
    at org.apache.maven.cli.MavenCli.container(MavenCli.java:545)
    at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:281)
    at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:547)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: java.lang.IllegalStateException: Unable to load cache item
    at com.google.inject.internal.cglib.core.internal.$LoadingCache.createEntry(LoadingCache.java:79)
    at com.google.inject.internal.cglib.core.internal.$LoadingCache.get(LoadingCache.java:34)
    at com.google.inject.internal.cglib.core.$AbstractClassGenerator$ClassLoaderData.get(AbstractClassGenerator.java:116)
    at com.google.inject.internal.cglib.core.$AbstractClassGenerator.create(AbstractClassGenerator.java:291)
    at com.google.inject.internal.cglib.reflect.$FastClass$Generator.create(FastClass.java:65)
    at com.google.inject.internal.BytecodeGen.newFastClass(BytecodeGen.java:204)
    at com.google.inject.internal.DefaultConstructionProxyFactory.create(DefaultConstructionProxyFactory.java:55)
    at com.google.inject.internal.ProxyFactory.create(ProxyFactory.java:159)
    at com.google.inject.internal.ConstructorInjectorStore.createConstructor(ConstructorInjectorStore.java:90)
    at com.google.inject.internal.ConstructorInjectorStore.access$000(ConstructorInjectorStore.java:29)
    at com.google.inject.internal.ConstructorInjectorStore$1.create(ConstructorInjectorStore.java:37)
    at com.google.inject.internal.ConstructorInjectorStore$1.create(ConstructorInjectorStore.java:33)
    at com.google.inject.internal.FailableCache$1.load(FailableCache.java:37)
    at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3540)
    at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2321)
    at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2284)
    at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2199)
    ... 28 more
Caused by: java.lang.NoClassDefFoundError: Could not initialize class com.google.inject.internal.cglib.core.$ReflectUtils
    at com.google.inject.internal.cglib.reflect.$FastClassEmitter.<init>(FastClassEmitter.java:67)
    at com.google.inject.internal.cglib.reflect.$FastClass$Generator.generateClass(FastClass.java:77)
    at com.google.inject.internal.cglib.core.$DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:25)
    at com.google.inject.internal.cglib.core.$AbstractClassGenerator.generate(AbstractClassGenerator.java:329)
    at com.google.inject.internal.cglib.core.$AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:93)
    at com.google.inject.internal.cglib.core.$AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:91)
    at com.google.inject.internal.cglib.core.internal.$LoadingCache$2.call(LoadingCache.java:54)
    at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
    at com.google.inject.internal.cglib.core.internal.$LoadingCache.createEntry(LoadingCache.java:61)
    ... 44 more

Answer 1

Looks like that version of maven doesn't work on Java 9, but it does on Java 8.

Ensure that you have the relevant packages installed, e.g...

sudo apt install openjdk-8-jre openjdk-8-jdk

And then make sure that maven uses the correct version. The simplest way to do this is to add the following line to the end of ~/.mavenrc (Creating it if needed):

export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64/

(You might need to look around in /usr/lib/jvm/ for the exact name you need as it might be different for your system)