[jira] [Assigned] (TINKERPOP-2298) Bytecode.java flattenArguments throw exception when null

["stephen mallette (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TINKERPOP-2298?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stephen mallette reassigned TINKERPOP-2298:
-------------------------------------------

    Component/s:     (was: server)
                 process
       Assignee: stephen mallette
       Priority: Major  (was: Critical)

> Bytecode.java  flattenArguments throw exception when null 
> ----------------------------------------------------------
>
>                 Key: TINKERPOP-2298
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-2298
>             Project: TinkerPop
>          Issue Type: Bug
>          Components: process
>    Affects Versions: 3.3.3
>            Reporter: Stark Arya
>            Assignee: stephen mallette
>            Priority: Major
>
> In Bytecode.java,  current flattenArguments function  will trigger NPE exception when == null, which effect all version later from 3.3.3
> {quote}private final Object[] flattenArguments(final Object... arguments) {
>     if (arguments.length == 0)
>           return EMPTY_ARRAY;
> }{quote}
>  
> Recurrent step：
>  # with TinkerGraph.Mordern Graph
>  # 
> {quote}gremlin> g.V(1).outE(null)gremlin> g.V(1).outE(null)java.lang.NullPointerExceptionType ':help' or ':h' for help.Display stack trace? [yN]y
> java.lang.NullPointerException at org.apache.tinkerpop.gremlin.process.traversal.Bytecode.flattenArguments(Bytecode.java:265) at org.apache.tinkerpop.gremlin.process.traversal.Bytecode.addStep(Bytecode.java:84) at org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal.outE(GraphTraversal.java:394) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method){quote}
>       3. but when has more arguments, it could produce results correctly
> {quote}remlin> g.V(1).outE("knows", null)
> ==>e[7][1-knows->2]
> ==>e[8][1-knows->4]
> {quote}



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