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From "Eugene Kirpichov (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (BEAM-2883) Poor error message when forgetting to specify a Datastore project.
Date Mon, 11 Sep 2017 21:48:00 GMT

     [ https://issues.apache.org/jira/browse/BEAM-2883?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eugene Kirpichov reassigned BEAM-2883:
--------------------------------------

    Assignee: Eugene Kirpichov  (was: Chamikara Jayalath)

> Poor error message when forgetting to specify a Datastore project.
> ------------------------------------------------------------------
>
>                 Key: BEAM-2883
>                 URL: https://issues.apache.org/jira/browse/BEAM-2883
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-gcp
>            Reporter: Scott Wegner
>            Assignee: Eugene Kirpichov
>            Priority: Minor
>
> From: https://stackoverflow.com/questions/46155781/mojoexecutionexception-while-writing-to-bigquery
> A Beam user using DatastoreIO.v1() encountered an error because their pipeline didn't
specify a Datastore project via DatastoreIO.v1().read().withProject(..). But the error was
not very informative. Even when referencing the source code, it is difficult to trace through
the code due to use of AutoValue and ValueProvider.
> The error was:
> [ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.4.0:java (default-cli)
on project pubsub-bigquery: An exception occured while executing the Java class. null: InvocationTargetException:
projectId -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.4.0:java
(default-cli) on project pubsub-bigquery: 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$1.run(ExecJavaMojo.java:293)
>     at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.NullPointerException: projectId
>     at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:787)
>     at org.apache.beam.sdk.io.gcp.datastore.DatastoreV1$Read.validate(DatastoreV1.java:624)
>     at org.apache.beam.sdk.Pipeline$ValidateVisitor.enterCompositeTransform(Pipeline.java:610)
>     at org.apache.beam.sdk.runners.TransformHierarchy$Node.visit(TransformHierarchy.java:590)
>     at org.apache.beam.sdk.runners.TransformHierarchy$Node.visit(TransformHierarchy.java:594)
>     at org.apache.beam.sdk.runners.TransformHierarchy$Node.access$500(TransformHierarchy.java:276)
>     at org.apache.beam.sdk.runners.TransformHierarchy.visit(TransformHierarchy.java:210)
>     at org.apache.beam.sdk.Pipeline.traverseTopologically(Pipeline.java:440)
>     at org.apache.beam.sdk.Pipeline.validate(Pipeline.java:552)
>     at org.apache.beam.sdk.Pipeline.run(Pipeline.java:296)
>     at org.apache.beam.sdk.Pipeline.run(Pipeline.java:283)
>     at org.druk.twc.tobq.DsToBQ.main(DsToBQ.java:126)
>     ... 6 more
> [ERROR]
> [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> [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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