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From aaron morton <aa...@thelastpickle.com>
Subject Re: run Cassandra tutorial example
Date Tue, 23 Aug 2011 07:19:23 GMT
Did you sort this out ? The #cassandra IRC room is a good place to get help as well.

I tried to build it first using 
mvn compile and got this different error 
"[ERROR] Failed to execute goal on project cassandra-tutorial: Could not resolve dependencies
for project com.datastax.tutorial:cassandra-tutorial:jar:1.0-SNAPSHOT: Could not find artifact
me.prettyprint:hector-core:jar:0.8.0-2-SNAPSHOT -> [Help 1]"

There is a fix here...
https://github.com/zznate/cassandra-tutorial/pull/1

After than I did mvn compile and it worked. 

So added the schema…
path-to-cassandra/bin/cassandra-cli --host localhost < ~/code/github/datastax/cassandra-tutorial/npanxx_script.txt


And ran 
mvn -e exec:java -Dexec.args="get" -Dexec.mainClass="com.datastax.tutorial.TutorialRunner"

Which outputted 
HColumn(city=Austin)

Hope that helps. 

-----------------
Aaron Morton
Freelance Cassandra Developer
@aaronmorton
http://www.thelastpickle.com

On 23/08/2011, at 10:30 AM, Alvin UW wrote:

> Hello,
> 
> I'd like to try the cassandra tutorial example: https://github.com/zznate/cassandra-tutorial
>  by following the readme.
> 
> After typing  mvn -e exec:java -Dexec.args="get" -Dexec.mainClass="com.datastax.tutorial.TutorialRunner"
> I got the following errors.
> Should I do something before the above command?
> Thanks.
> 
> + Error stacktraces are turned on.
> [INFO] Scanning for projects...
> [INFO] ------------------------------------------------------------------------
> [INFO] Building cassandra-tutorial
> [INFO]    task-segment: [exec:java]
> [INFO] ------------------------------------------------------------------------
> [INFO] Preparing exec:java
> [INFO] No goals needed for project - skipping
> [INFO] [exec:java {execution: default-cli}]
> [INFO] ------------------------------------------------------------------------
> [ERROR] BUILD ERROR
> [INFO] ------------------------------------------------------------------------
> [INFO] An exception occured while executing the Java class. com.datastax.tutorial.TutorialRunner
> 
> [INFO] ------------------------------------------------------------------------
> [INFO] Trace
> org.apache.maven.lifecycle.LifecycleExecutionException: An exception occured while executing
the Java class. com.datastax.tutorial.TutorialRunner
>     at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:719)
>     at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:569)
>     at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:539)
>     at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
>     at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
>     at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
>     at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
>     at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
>     at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
>     at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
>     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.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>     at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>     at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>     at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> Caused by: org.apache.maven.plugin.MojoExecutionException: An exception occured while
executing the Java class. com.datastax.tutorial.TutorialRunner
>     at org.codehaus.mojo.exec.ExecJavaMojo.execute(ExecJavaMojo.java:346)
>     at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490)
>     at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
>     ... 17 more
> Caused by: java.lang.ClassNotFoundException: com.datastax.tutorial.TutorialRunner
>     at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
>     at java.security.AccessController.doPrivileged(Native Method)
>     at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>     at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
>     at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
>     at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:284)
>     at java.lang.Thread.run(Thread.java:619)
> [INFO] ------------------------------------------------------------------------
> [INFO] Total time: < 1 second
> [INFO] Finished at: Mon Aug 22 18:24:05 EDT 2011
> [INFO] Final Memory: 7M/100M
> 


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