Kevin Birch created MSHADE-109:
----------------------------------
Summary: NullPointerException when using minimizeJar
Key: MSHADE-109
URL: https://jira.codehaus.org/browse/MSHADE-109
Project: Maven 2.x Shade Plugin
Issue Type: Bug
Affects Versions: 1.5
Environment: Apache Maven 3.0.3 (r1075438; 2011-02-28 12:31:09-0500)
Maven home: /usr/share/maven
Java version: 1.6.0_29, vendor: Apple Inc.
Java home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
Default locale: en_US, platform encoding: MacRoman
OS name: "mac os x", version: "10.7.2", arch: "x86_64", family: "mac"
plugin configuration:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>1.5</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<outputFile>target/${project.artifactId}-${project.version}-uber.jar</outputFile>
<transformers>
<transformer
implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>com.webguys.djinn.marid.REPL</mainClass>
</transformer>
</transformers>
<artifactSet>
<excludes>
<exclude>org.fusesource.jansi:jansi</exclude>
</excludes>
</artifactSet>
<minimizeJar>true</minimizeJar>
</configuration>
</execution>
</executions>
</plugin>
Reporter: Kevin Birch
Priority: Critical
When setting minimizeJar=true, the below exception is thrown. When this
configuration is not set, everything works fine. Could this be a API
compatibility issue between Maven 2.x and 3.x?
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-shade-plugin:1.5:shade (default) on project
djinn: Error creating shaded jar: null: NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal
org.apache.maven.plugins:maven-shade-plugin:1.5:shade (default) on project
djinn: Error creating shaded jar: null
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:217)
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:84)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
at
org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
at
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:319)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
at
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
at
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
at org.codehaus.classworlds.Launcher.main(Launcher.java:47)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
Caused by: org.apache.maven.plugin.MojoExecutionException: Error creating
shaded jar: null
at
org.apache.maven.plugins.shade.mojo.ShadeMojo.execute(ShadeMojo.java:503)
at
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
... 25 more
Caused by: java.lang.NullPointerException
at java.io.FileInputStream.<init>(FileInputStream.java:116)
at
org.apache.maven.plugins.shade.filter.MinijarFilter.<init>(MinijarFilter.java:63)
at
org.apache.maven.plugins.shade.mojo.ShadeMojo.getFilters(ShadeMojo.java:696)
at
org.apache.maven.plugins.shade.mojo.ShadeMojo.execute(ShadeMojo.java:438)
... 27 more
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