From: Tuukka Lehtonen <tuukka.lehtonen@semantum.fi>
Date: Thu, 15 Mar 2018 14:33:04 +0000 (+0200)
Subject: Disable parallel graph.tg/header read, serializer ctor not thread-safe
X-Git-Tag: v1.43.0~136^2~541
X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F81%2F1581%2F1;p=simantics%2Fplatform.git

Disable parallel graph.tg/header read, serializer ctor not thread-safe

Having parallel() here caused random platform startup problems and
doesn't account for any major speedup in normal use anyway.

refs #7806

Change-Id: I37b26a3df622d4ad3b2ad744e43e2f08cf0284ff
---

diff --git a/bundles/org.simantics.project/src/org/simantics/project/management/PlatformUtil.java b/bundles/org.simantics.project/src/org/simantics/project/management/PlatformUtil.java
index ac08db001..9dfa67efe 100644
--- a/bundles/org.simantics.project/src/org/simantics/project/management/PlatformUtil.java
+++ b/bundles/org.simantics.project/src/org/simantics/project/management/PlatformUtil.java
@@ -315,7 +315,11 @@ public class PlatformUtil {
 		AtomicReference<IOException> problem = new AtomicReference<>();
 
 		Collection<GraphBundle> gbundles = Arrays.stream(getBundles())
-				.parallel()
+				// #7806: Due to databoard Binding/Serializer construction process thread-unsafety
+				// not even the DataContainer.readHeader invocations can run in parallel, most likely
+				// due to recurring serializer construction for Variant datatypes.
+				// Therefore, we must disable parallel loading for now.
+				//.parallel()
 				.map(b -> {
 					try {
 						return problem.get() == null ? getGraph(b) : null;