cascading.flow.planner.PlannerException: could not build flow from assembly: [null]*

Google Groups | Richard Whitcomb | 3 years ago
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    java.lang.ClassCastException on Enumerable linq4.

    Google Groups | 3 years ago | Richard Whitcomb
    cascading.flow.planner.PlannerException: could not build flow from assembly: [null]*

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at cascading.lingual.optiq.enumerable.CascadingFlowRunnerEnumerable.createEnumerator()
    2. cascading.lingual.optiq
      CascadingFlowRunnerEnumerable.enumerator
      1. cascading.lingual.optiq.enumerable.CascadingFlowRunnerEnumerable.createEnumerator(CascadingFlowRunnerEnumerable.java:141)
      2. cascading.lingual.optiq.enumerable.CascadingFlowRunnerEnumerable.enumerator(CascadingFlowRunnerEnumerable.java:124)
      2 frames
    3. net.hydromatic.linq4j
      DefaultEnumerable.orderBy
      1. net.hydromatic.linq4j.EnumerableDefaults.toLookup_(EnumerableDefaults.java:1769)
      2. net.hydromatic.linq4j.EnumerableDefaults.orderBy(EnumerableDefaults.java:1170)
      3. net.hydromatic.linq4j.DefaultEnumerable.orderBy(DefaultEnumerable.java:471)
      3 frames
    4. Unknown
      Baz.bind
      1. Baz.bind(Unknown Source)
      1 frame
    5. Calcite Core
      OptiqPrepareImpl.prepareSql
      1. net.hydromatic.optiq.prepare.OptiqPrepareImpl$OptiqPreparingStmt$2.bind(OptiqPrepareImpl.java:755)
      2. net.hydromatic.optiq.prepare.OptiqPrepareImpl.prepare2_(OptiqPrepareImpl.java:359)
      3. net.hydromatic.optiq.prepare.OptiqPrepareImpl.prepare_(OptiqPrepareImpl.java:250)
      4. net.hydromatic.optiq.prepare.OptiqPrepareImpl.prepareSql(OptiqPrepareImpl.java:195)
      4 frames
    6. cascading.lingual.flow
      SQLPlanner.resolveTails
      1. cascading.lingual.flow.SQLPlanner.resolveTails(SQLPlanner.java:114)
      1 frame
    7. cascading.flow.planner
      FlowPlanner.resolveTails
      1. cascading.flow.planner.FlowPlanner.resolveAssemblyPlanners(FlowPlanner.java:151)
      2. cascading.flow.planner.FlowPlanner.resolveTails(FlowPlanner.java:138)
      2 frames
    8. cascading.flow.local
      LocalPlanner.buildFlow
      1. cascading.flow.local.planner.LocalPlanner.buildFlow(LocalPlanner.java:81)
      2. cascading.flow.local.planner.LocalPlanner.buildFlow(LocalPlanner.java:40)
      2 frames
    9. cascading.flow
      FlowConnector.connect
      1. cascading.flow.FlowConnector.connect(FlowConnector.java:459)
      1 frame
    10. cascading.lingual.examples
      FlowExample.main
      1. cascading.lingual.examples.foodmart.FlowExample.run(FlowExample.java:70)
      2. cascading.lingual.examples.foodmart.FlowExample.main(FlowExample.java:40)
      2 frames
    11. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:601)
      4 frames
    12. Hadoop
      RunJar.main
      1. org.apache.hadoop.util.RunJar.main(RunJar.java:212)
      1 frame