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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TINKERPOP-2106) When gremlin executes timeout, throw TimeoutException instead of TraversalInterruptedException/InterruptedIOException
Date Fri, 07 Dec 2018 12:39:00 GMT

    [ https://issues.apache.org/jira/browse/TINKERPOP-2106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16712791#comment-16712791

ASF GitHub Bot commented on TINKERPOP-2106:

spmallette closed pull request #1009: TINKERPOP-2106 throw TimeoutException instead of TraversalInterruptedException
URL: https://github.com/apache/tinkerpop/pull/1009

This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:

As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):

diff --git a/gremlin-groovy/src/main/java/org/apache/tinkerpop/gremlin/groovy/engine/GremlinExecutor.java
index fc171bbe28..45775f13c8 100644
--- a/gremlin-groovy/src/main/java/org/apache/tinkerpop/gremlin/groovy/engine/GremlinExecutor.java
+++ b/gremlin-groovy/src/main/java/org/apache/tinkerpop/gremlin/groovy/engine/GremlinExecutor.java
@@ -27,6 +27,7 @@
 import org.apache.tinkerpop.gremlin.jsr223.GremlinScriptEngineManager;
 import org.apache.tinkerpop.gremlin.process.traversal.Bytecode;
 import org.apache.tinkerpop.gremlin.process.traversal.Traversal;
+import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalInterruptedException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -35,6 +36,8 @@
 import javax.script.CompiledScript;
 import javax.script.ScriptException;
 import javax.script.SimpleBindings;
+import java.io.InterruptedIOException;
 import java.lang.ref.WeakReference;
 import java.lang.reflect.Method;
 import java.util.Collection;
@@ -285,7 +288,9 @@ private GremlinExecutor(final Builder builder, final boolean suppliedExecutor,
                 // thread interruptions will typically come as the result of a timeout, so
in those cases,
                 // check for that situation and convert to TimeoutException
-                if (root instanceof InterruptedException) {
+                if (root instanceof InterruptedException
+                        || root instanceof TraversalInterruptedException
+                        || root instanceof InterruptedIOException) {
                     evaluationFuture.completeExceptionally(new TimeoutException(
                             String.format("Script evaluation exceeded the configured 'scriptEvaluationTimeout'
threshold of %s ms or evaluation was otherwise cancelled directly for request [%s]: %s", scriptEvalTimeOut,
script, root.getMessage())));


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> When gremlin executes timeout, throw TimeoutException instead of TraversalInterruptedException/InterruptedIOException
> ---------------------------------------------------------------------------------------------------------------------
>                 Key: TINKERPOP-2106
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-2106
>             Project: TinkerPop
>          Issue Type: Improvement
>          Components: groovy
>    Affects Versions: 3.2.5
>            Reporter: Jermy Li
>            Priority: Major
> When gremlin executes timeout, it throws an error "TraversalInterruptedException: null".
According to our user feedback, the message is not easy to understand. we think it is clearer
if it prompts timeout error directly.

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