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  1. Calcite
  2. CALCITE-1360

Custom schema in file in current directory gives NullPointerException

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Trivial
    • Resolution: Fixed
    • Affects Version/s: 1.8.0
    • Fix Version/s: 1.9.0
    • Component/s: core
    • Labels:
      None

      Description

      ModelHandler won't accept a file name without a directory component. A model referencing file with no directory component throws an NPE. In the example below replacing

      foo.json

      with

      ./foo.json

      resolves the problem.

      sqlline> !connect jdbc:calcite:model=foo.json druid druid
      java.lang.RuntimeException: Error instantiating JsonCustomSchema(name=foo)
      	at org.apache.calcite.model.ModelHandler.visit(ModelHandler.java:219)
      	at org.apache.calcite.model.JsonCustomSchema.accept(JsonCustomSchema.java:45)
      	at org.apache.calcite.model.ModelHandler.visit(ModelHandler.java:142)
      	at org.apache.calcite.model.ModelHandler.<init>(ModelHandler.java:84)
      	at org.apache.calcite.jdbc.Driver$1.onConnectionInit(Driver.java:104)
      	at org.apache.calcite.avatica.UnregisteredDriver.connect(UnregisteredDriver.java:145)
      	at sqlline.DatabaseConnection.connect(DatabaseConnection.java:157)
      	at sqlline.DatabaseConnection.getConnection(DatabaseConnection.java:203)
      	at sqlline.Commands.connect(Commands.java:1064)
      	at sqlline.Commands.connect(Commands.java:996)
      	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      	at java.lang.reflect.Method.invoke(Method.java:498)
      	at sqlline.ReflectiveCommandHandler.execute(ReflectiveCommandHandler.java:36)
      	at sqlline.SqlLine.dispatch(SqlLine.java:803)
      	at sqlline.SqlLine.begin(SqlLine.java:681)
      	at sqlline.SqlLine.start(SqlLine.java:398)
      	at sqlline.SqlLine.main(SqlLine.java:292)
      Caused by: java.lang.NullPointerException: null value in entry: baseDirectory=null
      	at com.google.common.collect.CollectPreconditions.checkEntryNotNull(CollectPreconditions.java:33)
      	at com.google.common.collect.ImmutableMap.entryOf(ImmutableMap.java:135)
      	at com.google.common.collect.ImmutableMap$Builder.put(ImmutableMap.java:206)
      	at org.apache.calcite.model.ModelHandler.operandMap(ModelHandler.java:240)
      	at org.apache.calcite.model.ModelHandler.visit(ModelHandler.java:215)
      	... 18 more
      

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            • Assignee:
              julianhyde Julian Hyde
              Reporter:
              dossett Aaron Dossett
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              Dates

              • Created:
                Updated:
                Resolved: