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From aaron morton <aa...@thelastpickle.com>
Subject Re: run Cassandra tutorial example
Date Wed, 24 Aug 2011 09:14:12 GMT
HColumn(city=Austin) 
Is the data you are after. 

Have a look in src/main/resources/log4j.properties if you want to change the logging settings.


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

On 24/08/2011, at 4:06 AM, Alvin UW wrote:

> Thanks.
> 
> By your solution, the problem is fixed.
> But my output is like this.
> I don't understand what's the meaning of " Error stacktraces are turned on." 
> And I hope only the results are outputted, not the INFO.
> 
>  mvn -e exec:java -Dexec.args="get" -Dexec.mainClass="com.datastax.tutorial.TutorialRunner"
> + 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}]
> HColumn(city=Austin)
> [INFO] ------------------------------------------------------------------------
> [INFO] BUILD SUCCESSFUL
> [INFO] ------------------------------------------------------------------------
> [INFO] Total time: 1 second
> [INFO] Finished at: Tue Aug 23 12:02:27 EDT 2011
> [INFO] Final Memory: 11M/100M
> 
> 
> 2011/8/23 aaron morton <aaron@thelastpickle.com>
> 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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