It will be great if you can provide a test to reproduce the problem, and attach it in the JIRA.
On Wed, Mar 28, 2018 at 2:50 PM, Muhammad Gelbana <[email protected]> wrote: > Absolutely: https://issues.apache.org/jira/browse/CALCITE-2228 > > Please tell me if I should modify any of the information I supplied. Like > the affected version\component. > > Thanks, > Gelbana > > On Wed, Mar 28, 2018 at 11:26 PM, Julian Hyde <[email protected]> wrote: > > > It does indeed look as if that piece of code (AggregateNode.java line > 149) > > has never been run. Can you please log a JIRA case? > > > > > On Mar 28, 2018, at 1:42 PM, Muhammad Gelbana <[email protected]> > > wrote: > > > > > > Looking at this line > > > <https://github.com/apache/calcite/blob/master/core/src/ > > main/java/org/apache/calcite/interpreter/AggregateNode.java#L150>, > > > and the referenced instance variable > > > <https://github.com/apache/calcite/blob/master/core/src/ > > main/java/org/apache/calcite/adapter/enumerable/AggImpState.java#L33>, > > > it looks to me that *int stateSize = agg.state.size* will always throw > a > > > NPE because the *agg.state* object reference is never initialized > before > > > it's being used ! > > > > > > I'm facing the following exception > > > > > > java.sql.SQLException: Error while executing SQL "SELECT > MAX(COUNTRY_ID), > > > MAX(COUNTRY_TOTAL_ID) FROM SALES.COUNTRIES": 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 > > > com.mg.sqlinterface.data.provider.calcite.internal. > > Test_SQLi.testMG(Test_SQLi.java:35) > > > 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$2.evaluate(ParentRunner.java:268) > > > at > > > org.junit.internal.runners.statements.RunBefores. > > evaluate(RunBefores.java:26) > > > at > > > org.junit.internal.runners.statements.RunAfters.evaluate( > > RunAfters.java:27) > > > at org.junit.runners.ParentRunner.run(ParentRunner.java:363) > > > at > > > org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run( > > JUnit4TestReference.java:86) > > > at > > > org.eclipse.jdt.internal.junit.runner.TestExecution. > > run(TestExecution.java:38) > > > at > > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner. > > runTests(RemoteTestRunner.java:459) > > > at > > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner. > > runTests(RemoteTestRunner.java:678) > > > at > > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner. > > run(RemoteTestRunner.java:382) > > > at > > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner. > > main(RemoteTestRunner.java:192) > > > Caused by: *java.lang.NullPointerException* > > > at org.apache.calcite.interpreter.AggregateNode.getAccumulator( > > > *AggregateNode.java:150*) > > > at > > > org.apache.calcite.interpreter.AggregateNode.< > > init>(AggregateNode.java:86) > > > at > > > org.apache.calcite.interpreter.Nodes$CoreCompiler.visit(Nodes.java:47) > > > 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.apache.calcite.util.ReflectUtil.invokeVisitorInternal( > > ReflectUtil.java:257) > > > at > > > org.apache.calcite.util.ReflectUtil.invokeVisitor( > ReflectUtil.java:214) > > > at > > > org.apache.calcite.util.ReflectUtil$1.invokeVisitor( > > ReflectUtil.java:464) > > > at > > > org.apache.calcite.interpreter.Interpreter$Compiler.visit(Interpreter. > > java:480) > > > at > > > org.apache.calcite.interpreter.Interpreter$Compiler.visitRoot( > > Interpreter.java:437) > > > at > > > org.apache.calcite.interpreter.Interpreter.<init>(Interpreter.java:78) > > > at Baz.bind(Unknown Source) > > > at > > > org.apache.calcite.jdbc.CalcitePrepare$CalciteSignature.enumerable( > > CalcitePrepare.java:365) > > > at > > > org.apache.calcite.jdbc.CalciteConnectionImpl.enumerable( > > CalciteConnectionImpl.java:301) > > > at > > > org.apache.calcite.jdbc.CalciteMetaImpl._createIterable( > > CalciteMetaImpl.java:559) > > > at > > > org.apache.calcite.jdbc.CalciteMetaImpl.createIterable( > > CalciteMetaImpl.java:550) > > > at > > > org.apache.calcite.avatica.AvaticaResultSet.execute( > > AvaticaResultSet.java:204) > > > at > > > org.apache.calcite.jdbc.CalciteResultSet.execute( > > CalciteResultSet.java:67) > > > at > > > org.apache.calcite.jdbc.CalciteResultSet.execute( > > CalciteResultSet.java:44) > > > at > > > org.apache.calcite.avatica.AvaticaConnection$1.execute( > > AvaticaConnection.java:630) > > > at > > > org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute( > > CalciteMetaImpl.java:619) > > > at > > > org.apache.calcite.avatica.AvaticaConnection. > prepareAndExecuteInternal( > > AvaticaConnection.java:638) > > > at > > > org.apache.calcite.avatica.AvaticaStatement.executeInternal( > > AvaticaStatement.java:149) > > > ... 27 more > > > > > > > > > Thanks, > > > Gelbana > > > > > > > > -- "So you have to trust that the dots will somehow connect in your future."
