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rheem-examples's Issues

how to run the examples

Run "java com.github.sekruse.wordcount.java.WordCount java input.txt 1..3"

the result is :

Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main" java.lang.NoClassDefFoundError: org/qcri/rheem/core/plugin/Plugin

Help me run example code

When you run the example code, you will see "package org.qcri.rheem ... does not exist".

Is there any other condition besides running Rheem's build.sh in order to run the example code?

Run pagerank encountered a problem

Please give some more details to run the examples. I just used
mvn package
and the:
mvn -e -X package exec:java -Dexec.mainClass=com.github.sekruse.pagerank.PageRank -Dexec.args="spark pagerank.txt 10"
to run the pagerank example. but i got the following errors:

[com.github.sekruse.pagerank.PageRank.main()] INFO org.qcri.rheem.core.api.Job - StopWatch results:
* Optimization                            - 0:00:00.299
  * Prepare                               - 0:00:00.087
    * Prune&Isolate                       - 0:00:00.017
    * Transformations                     - 0:00:00.070
    * Sanity                              - 0:00:00.000
  * Cardinality&Load Estimation           - 0:00:00.161
    * Create OptimizationContext          - 0:00:00.007
    * Create CardinalityEstimationManager - 0:00:00.001
    * Push Estimation                     - 0:00:00.153
  * Create Initial Execution Plan         - 0:00:00.051
    * Enumerate                           - 0:00:00.049
* Execution                               - 0:00:00.000
* Post-processing                         - 0:00:00.001
  * Release Resources                     - 0:00:00.001
[WARNING]
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:294)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.qcri.rheem.core.api.exception.RheemException: Could not find a single execution plan.
	at org.qcri.rheem.core.optimizer.enumeration.PlanEnumerator.enumerate(PlanEnumerator.java:201)
	at org.qcri.rheem.core.api.Job.createInitialExecutionPlan(Job.java:288)
	at org.qcri.rheem.core.api.Job.doExecute(Job.java:185)
	at org.qcri.rheem.core.util.OneTimeExecutable.tryExecute(OneTimeExecutable.java:23)
	at org.qcri.rheem.core.util.OneTimeExecutable.execute(OneTimeExecutable.java:36)
	at org.qcri.rheem.core.api.Job.execute(Job.java:160)
	at org.qcri.rheem.core.api.RheemContext.execute(RheemContext.java:92)
	at org.qcri.rheem.api.PlanBuilder.buildAndExecute(PlanBuilder.scala:84)
	at org.qcri.rheem.api.DataQuanta.collect(DataQuanta.scala:601)
	at com.github.sekruse.pagerank.PageRank.apply(PageRank.scala:63)
	at com.github.sekruse.pagerank.PageRank$.main(PageRank.scala:90)
	at com.github.sekruse.pagerank.PageRank.main(PageRank.scala)
	... 6 more
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.500 s
[INFO] Finished at: 2017-02-17T13:11:55+00:00
[INFO] Final Memory: 35M/642M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.5.0:java (default-cli) on project pagerank: An exception occured while executing the Java class. null: InvocationTargetException: Could not find a single execution plan. -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.5.0:java (default-cli) on project pagerank: An exception occured while executing the Java class. null
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
	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:116)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	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: An exception occured while executing the Java class. null
	at org.codehaus.mojo.exec.ExecJavaMojo.execute(ExecJavaMojo.java:345)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
	... 20 more
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:294)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.qcri.rheem.core.api.exception.RheemException: Could not find a single execution plan.
	at org.qcri.rheem.core.optimizer.enumeration.PlanEnumerator.enumerate(PlanEnumerator.java:201)
	at org.qcri.rheem.core.api.Job.createInitialExecutionPlan(Job.java:288)
	at org.qcri.rheem.core.api.Job.doExecute(Job.java:185)
	at org.qcri.rheem.core.util.OneTimeExecutable.tryExecute(OneTimeExecutable.java:23)
	at org.qcri.rheem.core.util.OneTimeExecutable.execute(OneTimeExecutable.java:36)
	at org.qcri.rheem.core.api.Job.execute(Job.java:160)
	at org.qcri.rheem.core.api.RheemContext.execute(RheemContext.java:92)
	at org.qcri.rheem.api.PlanBuilder.buildAndExecute(PlanBuilder.scala:84)
	at org.qcri.rheem.api.DataQuanta.collect(DataQuanta.scala:601)
	at com.github.sekruse.pagerank.PageRank.apply(PageRank.scala:63)
	at com.github.sekruse.pagerank.PageRank$.main(PageRank.scala:90)
	at com.github.sekruse.pagerank.PageRank.main(PageRank.scala)
	... 6 more
[ERROR]
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

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