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Posted to issues@maven.apache.org by "Gili (JIRA)" <ji...@apache.org> on 2018/11/04 22:39:00 UTC
[jira] [Commented] (MSHADE-302) maven-shade-plugin fails to
minimize JAR with Java 11
[ https://issues.apache.org/jira/browse/MSHADE-302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16674540#comment-16674540 ]
Gili commented on MSHADE-302:
-----------------------------
Can you please release a snapshot version containing this fix?
> maven-shade-plugin fails to minimize JAR with Java 11
> -----------------------------------------------------
>
> Key: MSHADE-302
> URL: https://issues.apache.org/jira/browse/MSHADE-302
> Project: Maven Shade Plugin
> Issue Type: Bug
> Environment: maven-shade-plugin 3.2.1-SNAPSHOT or master branch.
> openjdk version "11" 2018-09-25
> OpenJDK Runtime Environment 18.9 (build 11+28)
> OpenJDK 64-Bit Server VM 18.9 (build 11+28, mixed mode)
> Reporter: Clément MATHIEU
> Priority: Major
> Attachments: 0001-MSHADE-302-Fix-Java-11-support.patch
>
>
> While checking whether maven-shade-plugin is Java 11 compatible or not, I noticed that it fails when minimizeJar is set to true and a class contains a nested static class.
> I was able to reproduce the issue by patching the shading-with-java-11-sources integration test:
> {code}
> diff --git a/src/it/shading-with-java-11-sources/pom.xml b/src/it/shading-with-java-11-sources/pom.xml
> index 0ea23fe..34898b7 100644
> --- a/src/it/shading-with-java-11-sources/pom.xml
> +++ b/src/it/shading-with-java-11-sources/pom.xml
> @@ -76,2 +76,3 @@ under the License.
> <configuration>
> + <minimizeJar>true</minimizeJar>
> <shadedArtifactAttached>true</shadedArtifactAttached>
> diff --git a/src/it/shading-with-java-11-sources/src/main/java/org/apache/maven/plugins/shade/its/App.java b/src/it/shading-with-java-11-sources/src/main/java/org/apache/maven/plugins/shade/its/App.java
> index a92156e..c9fc298 100644
> --- a/src/it/shading-with-java-11-sources/src/main/java/org/apache/maven/plugins/shade/its/App.java
> +++ b/src/it/shading-with-java-11-sources/src/main/java/org/apache/maven/plugins/shade/its/App.java
> @@ -49,2 +49,5 @@ public class App
> }
> +
> + static class Foo {
> + }
> }
> {code}
>
> Running {{mvn -Prun-its -Dinvoker.test="*java-11*" verify}} leads to the following exception
> {code}
> Caused by: java.lang.UnsupportedOperationException: This feature requires ASM7
> at org.objectweb.asm.ClassVisitor.visitNestMember (ClassVisitor.java:236)
> at org.objectweb.asm.ClassVisitor.visitNestMember (ClassVisitor.java:239)
> at org.objectweb.asm.commons.ClassRemapper.visitNestMember (ClassRemapper.java:190)
> at org.objectweb.asm.ClassReader.accept (ClassReader.java:651)
> at org.objectweb.asm.ClassReader.accept (ClassReader.java:391)
> at org.vafer.jdependency.Clazzpath.addClazzpathUnit (Clazzpath.java:179)
> at org.vafer.jdependency.Clazzpath.addClazzpathUnit (Clazzpath.java:140)
> at org.apache.maven.plugins.shade.filter.MinijarFilter.<init> (MinijarFilter.java:97)
> at org.apache.maven.plugins.shade.mojo.ShadeMojo.getFilters (ShadeMojo.java:834)
> at org.apache.maven.plugins.shade.mojo.ShadeMojo.execute (ShadeMojo.java:434)
> at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:137)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:208)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:154)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:146)
> 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:954)
> 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: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)
> {code}
> I have not yet troubleshooted the issue. Other jdendency users seems to be facing a similar issue, see https://github.com/tcurdt/jdependency/issues/21. I have also seen a similar stack trace in Spring SPR-17371.
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