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https://issues.apache.org/jira/browse/CALCITE-1952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16140572#comment-16140572
]
Julian Hyde commented on CALCITE-1952:
--------------------------------------
I added a test case in
http://git-wip-us.apache.org/repos/asf/calcite/commit/210fa866.
> Apache Calcite 1.13.0 produced null pointer exception compared to 1.12.0
> ------------------------------------------------------------------------
>
> Key: CALCITE-1952
> URL: https://issues.apache.org/jira/browse/CALCITE-1952
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.13.0
> Environment: Windows 7
> Java 8
> Maven
> IntelliJ
> Reporter: Mark Ashworth
> Assignee: Julian Hyde
> Priority: Minor
> Fix For: 1.14.0
>
>
> Using Apache Calcite on Windows and trying to query the DEPTS.csv used on the
> website tutorial I get a NullPointerException when using Calcite Core 1.13.0
> but when I use 1.12.0 the issue disappears.
> {code}
> Properties info = new Properties();
> info.put("model", "../src/test/resources/files.json");
> info.setProperty("lex", "JAVA");
> Connection connection = DriverManager.getConnection("jdbc:calcite:",
> info);
> Statement stmt = connection.createStatement();
> String sql = "select * from FILES.DEPTS";
> ResultSet rs = stmt.executeQuery(sql);
> while(rs.next()) {
> System.out.println(rs.getString(1));
> }
> {code}
> And the exception is as follows:-
> {noformat}
> java.sql.SQLException: Error while executing SQL "select * from FILES.DEPTS":
> null
> at org.apache.calcite.avatica.Helper.createException(Helper.java:56)
> at org.apache.calcite.avatica.Helper.createException(Helper.java:41)
> at
> org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:156)
> at
> org.apache.calcite.avatica.AvaticaStatement.executeQuery(AvaticaStatement.java:218)
> at za.co.bb8.CalciteTests.testConnection(CalciteTests.java:24)
> 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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
> at
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
> at
> com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
> at
> com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
> at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
> Caused by: java.lang.NullPointerException
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.validate(VolcanoPlanner.java:891)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.register(VolcanoPlanner.java:866)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:883)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.ensureRegistered(VolcanoPlanner.java:101)
> at
> org.apache.calcite.rel.AbstractRelNode.onRegister(AbstractRelNode.java:336)
> at
> org.apache.calcite.plan.volcano.VolcanoPlanner.registerImpl(VolcanoPlanner.java:1496)
> {noformat}
> Below is the files.json
> {code}
> {
> "version": "1.0",
> "defaultSchema": "XXX",
> "schemas": [
> {
> "name": "FILES",
> "type": "custom",
> "factory": "org.apache.calcite.adapter.file.FileSchemaFactory",
> "operand": {
> "directory": "files"
> }
> }
> ]
> }
> {code}
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