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https://jira.codehaus.org/browse/MSHADE-171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=352629#comment-352629
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Richard Sand commented on MSHADE-171:
-------------------------------------
I have the same error - it occurs for me when one of the dependencies is found
in the local file system as opposed to the local repository, for example in
Eclipse when checking the box "resolve local workspace artifacts".
If the shade plugin did a simple "isDirectory" test before proceeding with
unzipping/unjarring it would probably work fine in all circumstances.
-Richard
> "Access Denied" on Windows because shade plugin seems to try to open a
> directory as Zip-File
> --------------------------------------------------------------------------------------------
>
> Key: MSHADE-171
> URL: https://jira.codehaus.org/browse/MSHADE-171
> Project: Maven Shade Plugin
> Issue Type: Bug
> Affects Versions: 2.3
> Environment: Happens on both Windows and Linux
> Reporter: Dominik Stadler
>
> Config of plugin is fairly simple, but fails with the error below when I call
> "mvn package test", it works when I call only "mvn package", it seems the
> plugin tries to open a directory as zip-file.
> It happens in a multi-module setup when building from the parent-directory.
> It seems the dependency between the module where the shade plugin runs onto
> another module causes the target/classes of that module to be added as
> artifact-file, which causes the shade plugin to fail.
> Let me know if you need a self-contained reproducer project, I can provide
> one, but it will take some time to build it...
> FYI, there was a similar problem in the war plugin at MWAR-192.
> {code}
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-shade-plugin</artifactId>
> <version>2.3</version>
> <executions>
> <execution>
> <phase>package</phase>
> <goals>
> <goal>shade</goal>
> </goals>
> </execution>
> </executions>
> </plugin>
> {code}
> {noformat}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-shade-plugin:2.3:shade (default) on project
> towerrunner-ui: Error creating shaded jar:
> C:\workspaces\workspace.GWT.changeset\towerrunner\towerrunner-base\target\classes
> (Access is denied) -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
> goal org.apache.maven.plugins:maven-shade-plugin:2.3:shade (default) on
> project towerrunner-ui: Error creating shaded jar:
> C:\workspaces\workspace.GWT.changeset\towerrunner\towerrunner-base\target\classes
> (Access is denied)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)
> 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:108)
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:76)
> at
> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
> at
> org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:116)
> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:361)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
> at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
> at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:213)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:157)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> 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: Error creating
> shaded jar:
> C:\workspaces\workspace.GWT.changeset\towerrunner\towerrunner-base\target\classes
> (Access is denied)
> at
> org.apache.maven.plugins.shade.mojo.ShadeMojo.execute(ShadeMojo.java:566)
> at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:133)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
> ... 19 more
> Caused by: java.io.FileNotFoundException:
> C:\workspaces\workspace.GWT.changeset\towerrunner\towerrunner-base\target\classes
> (Access is denied)
> at java.util.zip.ZipFile.open(Native Method)
> at java.util.zip.ZipFile.<init>(ZipFile.java:215)
> at java.util.zip.ZipFile.<init>(ZipFile.java:145)
> at java.util.jar.JarFile.<init>(JarFile.java:153)
> at java.util.jar.JarFile.<init>(JarFile.java:117)
> at
> org.apache.maven.plugins.shade.DefaultShader.newJarFile(DefaultShader.java:267)
> at
> org.apache.maven.plugins.shade.DefaultShader.shade(DefaultShader.java:100)
> at
> org.apache.maven.plugins.shade.mojo.ShadeMojo.execute(ShadeMojo.java:471)
> ... 21 more
> [ERROR]
> {noformat}
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