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Posted to issues@metron.apache.org by "Nick Allen (JIRA)" <ji...@apache.org> on 2016/11/02 18:16:58 UTC

[jira] [Commented] (METRON-373) Unable to Call Stellar Function with No Arguments

    [ https://issues.apache.org/jira/browse/METRON-373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15629897#comment-15629897 ] 

Nick Allen commented on METRON-373:
-----------------------------------

This has already been addressed under another JIRA.

> Unable to Call Stellar Function with No Arguments
> -------------------------------------------------
>
>                 Key: METRON-373
>                 URL: https://issues.apache.org/jira/browse/METRON-373
>             Project: Metron
>          Issue Type: Bug
>            Reporter: Nick Allen
>            Priority: Minor
>              Labels: stellar
>
> Unable to call a Stellar function with no arguments.  For example, when trying to run something like "STATS_INIT()" I get the following exception.  It does work if I simply pass in a dummy variable like "STATS_INIT(0)".
> org.apache.metron.common.dsl.ParseException: Syntax error @ 1:11 no viable alternative at input 'STATS_INIT()'
> 	at org.apache.metron.common.dsl.ErrorListener.syntaxError(ErrorListener.java:34)
> 	at org.antlr.v4.runtime.ProxyErrorListener.syntaxError(ProxyErrorListener.java:65)
> 	at org.antlr.v4.runtime.Parser.notifyErrorListeners(Parser.java:558)
> 	at org.antlr.v4.runtime.DefaultErrorStrategy.reportNoViableAlternative(DefaultErrorStrategy.java:310)
> 	at org.antlr.v4.runtime.DefaultErrorStrategy.reportError(DefaultErrorStrategy.java:147)
> 	at org.apache.metron.common.stellar.generated.StellarParser.transformation_expr(StellarParser.java:459)
> 	at org.apache.metron.common.stellar.generated.StellarParser.transformation(StellarParser.java:145)
> 	at org.apache.metron.common.stellar.BaseStellarProcessor.parse(BaseStellarProcessor.java:52)
> 	at org.apache.metron.common.stellar.StellarStatisticalFunctionsTest.run(StellarStatisticalFunctionsTest.java:46)
> 	at org.apache.metron.common.stellar.StellarStatisticalFunctionsTest.setup(StellarStatisticalFunctionsTest.java:54)
> 	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:497)
> 	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.RunBefores.evaluate(RunBefores.java:24)
> 	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:117)
> 	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:42)
> 	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:253)
> 	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:84)
> 	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:497)
> 	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
> Caused by: org.antlr.v4.runtime.NoViableAltException
> 	at org.antlr.v4.runtime.atn.ParserATNSimulator.noViableAlt(ParserATNSimulator.java:1894)
> 	at org.antlr.v4.runtime.atn.ParserATNSimulator.execATN(ParserATNSimulator.java:498)
> 	at org.antlr.v4.runtime.atn.ParserATNSimulator.adaptivePredict(ParserATNSimulator.java:424)
> 	at org.apache.metron.common.stellar.generated.StellarParser.transformation_expr(StellarParser.java:320)
> 	... 31 more



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