TINKERPOP-1698 Initialize computedMetrics Without that initialization there are scenarios in sparkgraphcomputer where serialization will fail. The Gryo 3.0 TraversalMetricSerializer gets a collection of computed metrics and null pointers basically.
Project: http://git-wip-us.apache.org/repos/asf/tinkerpop/repo Commit: http://git-wip-us.apache.org/repos/asf/tinkerpop/commit/07c97aaf Tree: http://git-wip-us.apache.org/repos/asf/tinkerpop/tree/07c97aaf Diff: http://git-wip-us.apache.org/repos/asf/tinkerpop/diff/07c97aaf Branch: refs/heads/TINKERPOP-1698 Commit: 07c97aafd404d38ae7d3621b4f17ac987a806567 Parents: 80e08f5 Author: Stephen Mallette <[email protected]> Authored: Mon Jun 26 15:41:38 2017 -0400 Committer: Stephen Mallette <[email protected]> Committed: Wed Jun 28 15:23:14 2017 -0400 ---------------------------------------------------------------------- .../gremlin/process/traversal/util/DefaultTraversalMetrics.java | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/07c97aaf/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/util/DefaultTraversalMetrics.java ---------------------------------------------------------------------- diff --git a/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/util/DefaultTraversalMetrics.java b/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/util/DefaultTraversalMetrics.java index c5f290a..584456a 100644 --- a/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/util/DefaultTraversalMetrics.java +++ b/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/util/DefaultTraversalMetrics.java @@ -52,7 +52,7 @@ public final class DefaultTraversalMetrics implements TraversalMetrics, Serializ The following are computed values upon the completion of profiling in order to report the results back to the user */ private long totalStepDuration; - private Map<String, ImmutableMetrics> computedMetrics; + private Map<String, ImmutableMetrics> computedMetrics = new LinkedHashMap<>(); public DefaultTraversalMetrics() { }
