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Fatal Error running the 'Creating a JRuby Plugin' Example
The 'Creating a JRuby Plugin' Example (18-4) does not seem to work for me. When I run the `mvn install` command, I get the following error:
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] edu/emory/mathcs/backport/java/util/concurrent/locks/ReentrantLock
[INFO] ------------------------------------------------------------------------
[INFO] Trace
java.lang.NoClassDefFoundError: edu/emory/mathcs/backport/java/util/concurrent/locks/ReentrantLock
at org.jruby.internal.runtime.ThreadService.<init>(ThreadService.java:55)
at org.jruby.Ruby.<init>(Ruby.java:115)
at org.jruby.Ruby.newInstance(Ruby.java:242)
at org.jruby.Ruby.getDefaultInstance(Ruby.java:232)
at org.codehaus.plexus.component.jruby.JRubyRuntimeInvoker.invoke(JRubyRuntimeInvoker.java:288)
My guess is that the jruby-maven-plugin has a dependency on the code JRuby lib, but not the complete lib. I have tried adding the missing dependencies but it doesn't work. I am using Maven version 2.0.9. Has anyone came across this? </init></init>
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] edu/emory/mathcs/backport/java/util/concurrent/locks/ReentrantLock
[INFO] ------------------------------------------------------------------------
[INFO] Trace
java.lang.NoClassDefFoundError: edu/emory/mathcs/backport/java/util/concurrent/locks/ReentrantLock
at org.jruby.internal.runtime.ThreadService.<init>(ThreadService.java:55)
at org.jruby.Ruby.<init>(Ruby.java:115)
at org.jruby.Ruby.newInstance(Ruby.java:242)
at org.jruby.Ruby.getDefaultInstance(Ruby.java:232)
at org.codehaus.plexus.component.jruby.JRubyRuntimeInvoker.invoke(JRubyRuntimeInvoker.java:288)
My guess is that the jruby-maven-plugin has a dependency on the code JRuby lib, but not the complete lib. I have tried adding the missing dependencies but it doesn't work. I am using Maven version 2.0.9. Has anyone came across this? </init></init>
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The company marked this question as answered.
-
Inappropriate?Resolved this problem. I added the following two dependencies to the pom:
<dependency>
<groupid>backport-util-concurrent</groupid>
<artifactid>backport-util-concurrent</artifactid>
<version>3.0</version>
</dependency>
<dependency>
<groupid>asm</groupid>
<artifactid>asm-all</artifactid>
<version>2.2.3</version>
</dependency>
I’m happy
-
Inappropriate?Thanks for the fix kman.
Just wanted to let everyone know to be sure to add the dependency in both areas of the dependency tags like so:
<project>
<modelversion>4.0.0</modelversion>
<groupid>com.mycompany</groupid>
<artifactid>rubyplugin</artifactid>
<version>1.0-SNAPSHOT</version>
<packaging>maven-plugin</packaging>
<dependencies>
<dependency>
<groupid>org.codehaus.mojo</groupid>
<artifactid>jruby-maven-plugin</artifactid>
<version>1.0-beta-4</version>
</dependency>
<dependency>
<groupid>backport-util-concurrent</groupid>
<artifactid>backport-util-concurrent</artifactid>
<version>3.0</version>
</dependency>
<dependency>
<groupid>asm</groupid>
<artifactid>asm-all</artifactid>
<version>2.2.3</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactid>maven-plugin-plugin</artifactid>
<dependencies>
<dependency>
<groupid>org.codehaus.mojo</groupid>
<artifactid>jruby-maven-plugin</artifactid>
<version>1.0-beta-4</version>
</dependency>
<dependency>
<groupid>backport-util-concurrent</groupid>
<artifactid>backport-util-concurrent</artifactid>
<version>3.0</version>
</dependency>
<dependency>
<groupid>asm</groupid>
<artifactid>asm-all</artifactid>
<version>2.2.3</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
</project>
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