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JDK 9 support

See original GitHub issue

When I try to compile my project using JDK 9 (https://jdk9.java.net/download/), I get following error.

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project artemis-commons: Fatal error compiling: CompilerException: InvocationTargetException: java.nio.file.NotDirectoryException: /opt/jdk1.9.ea/lib/modules -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project artemis-commons: Fatal error compiling
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
    at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
    at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
    at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
    at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@9-ea/Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@9-ea/NativeMethodAccessorImpl.java:62)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@9-ea/DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(java.base@9-ea/Method.java:535)
    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: org.apache.maven.plugin.MojoExecutionException: Fatal error compiling
    at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:796)
    at org.apache.maven.plugin.compiler.CompilerMojo.execute(CompilerMojo.java:129)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
    ... 20 more
Caused by: org.codehaus.plexus.compiler.CompilerException
    at org.codehaus.plexus.compiler.javac.errorprone.JavacCompilerWithErrorProne.performCompile(JavacCompilerWithErrorProne.java:95)
    at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:785)
    ... 23 more
Caused by: java.lang.reflect.InvocationTargetException
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@9-ea/Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@9-ea/NativeMethodAccessorImpl.java:62)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@9-ea/DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(java.base@9-ea/Method.java:535)
    at org.codehaus.plexus.compiler.javac.errorprone.JavacCompilerWithErrorProne.performCompile(JavacCompilerWithErrorProne.java:91)
    ... 24 more
Caused by: java.io.UncheckedIOException: java.nio.file.NotDirectoryException: /opt/jdk1.9.ea/lib/modules
    at com.sun.tools.javac.file.Locations$BootClassPathLocationHandler.lazy(Locations.java:725)
    at com.sun.tools.javac.file.Locations$BootClassPathLocationHandler.isDefault(Locations.java:559)
    at com.sun.tools.javac.file.Locations.isDefaultBootClassPath(Locations.java:129)
    at com.sun.tools.javac.file.BaseFileManager.isDefaultBootClassPath(BaseFileManager.java:149)
    at com.sun.tools.javac.main.Arguments.validate(Arguments.java:411)
    at com.sun.tools.javac.main.Main.compile(Main.java:218)
    at com.google.errorprone.BaseErrorProneCompiler.run(BaseErrorProneCompiler.java:190)
    at com.google.errorprone.BaseErrorProneCompiler.run(BaseErrorProneCompiler.java:101)
    at com.google.errorprone.ErrorProneCompiler.run(ErrorProneCompiler.java:131)
    at com.google.errorprone.ErrorProneCompiler.compile(ErrorProneCompiler.java:73)
    at org.codehaus.plexus.compiler.javac.errorprone.JavacCompilerWithErrorProne$CompilerInvoker.compile(JavacCompilerWithErrorProne.java:219)
    ... 29 more
Caused by: java.nio.file.NotDirectoryException: /opt/jdk1.9.ea/lib/modules
    at sun.nio.fs.UnixFileSystemProvider.newDirectoryStream(java.base@9-ea/UnixFileSystemProvider.java:427)
    at java.nio.file.Files.newDirectoryStream(java.base@9-ea/Files.java:460)
    at java.nio.file.Files.list(java.base@9-ea/Files.java:3506)
    at com.sun.tools.javac.file.Locations$BootClassPathLocationHandler.systemClasses(Locations.java:678)
    at com.sun.tools.javac.file.Locations$BootClassPathLocationHandler.computePath(Locations.java:634)
    at com.sun.tools.javac.file.Locations$BootClassPathLocationHandler.lazy(Locations.java:722)
    ... 39 more

The error-prone-javac assumes that $JAVA_HOME/lib/modules is a directory but in my case it is regular file. I use 1.9.0-dev-r2973-2 version of error-prone-javac.

Issue Analytics

State:
Created 7 years ago
Reactions:1
Comments:12 (3 by maintainers)

Top GitHub Comments

6reactions

cushoncommented, Oct 13, 2017

Error Prone should run on JDK 9 now (see the “Java 9” section http://errorprone.info/docs/installation for instructions). If anyone encounters issues using it from the command line that way, please let us know.

We haven’t done as much testing of the build system integrations: Bazel will work soon, there’s an issue open for gradle (tbroyer/gradle-errorprone-plugin/issues/27), and I’m not sure about maven yet.

Support for using the Java 9 language level (not just running the tool on JDK 9) is work in progress.

1reaction

cushoncommented, Aug 10, 2018

We need up update the rest of the build system installation docs to mention the -Xplugin integration, but Java 9, 10, and 11 are supported now: #860

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