[jira] [Closed] (TINKERPOP-2496) GremlinDslProcessor fails when SocialTraversalSourceDsl overrides close

["Stephen Mallette (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TINKERPOP-2496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephen Mallette closed TINKERPOP-2496.
---------------------------------------
    Fix Version/s: 3.4.10
                   3.5.0
         Assignee: Stephen Mallette
       Resolution: Fixed

> GremlinDslProcessor fails when SocialTraversalSourceDsl overrides close
> -----------------------------------------------------------------------
>
>                 Key: TINKERPOP-2496
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-2496
>             Project: TinkerPop
>          Issue Type: Bug
>          Components: process
>    Affects Versions: 3.4.9
>            Reporter: Faron Dutton
>            Assignee: Stephen Mallette
>            Priority: Major
>             Fix For: 3.5.0, 3.4.10
>
>
> It appears that GremlinDslProcessor assumes all declared methods return some value. This causes it to fail if the traversal source DSL overrides the close method.
> When compiling with Java 14, one receives the following error:
> {noformat}
> [ERROR] class com.sun.tools.javac.code.Type$JCVoidType cannot be cast to class javax.lang.model.type.DeclaredType (com.sun.tools.javac.code.Type$JCVoidType is in module jdk.compiler of loader 'app'; javax.lang.model.type.DeclaredType is in module java.compiler of loader 'platform')
> {noformat}
> h1. Example Code
> {code:java}
> public class MyTraversalSourceDsl extends GraphTraversalSource {
>     private static final Logger logger = LoggerFactory.getLogger(MyTraversalSourceDsl.class);
>     public MyTraversalSourceDsl(final Graph graph, final TraversalStrategies traversalStrategies) {
>         super(graph, traversalStrategies);
>     }
>     public MyTraversalSourceDsl(final Graph graph) {
>         super(graph);
>     }
>     public MyTraversalSourceDsl(final RemoteConnection connection) {
>         super(connection);
>     }
>     @Override
>     public void close() {
>         try {
>             super.close();
>         } catch (Exception e) {
>             logger.error("Unable to close connection: {}", e.getMessage());
>         }
>     }
> }
> {code}



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