From 7057e920b41f05ea4a98d904abbc708d7f131fa2 Mon Sep 17 00:00:00 2001
From: Tuukka Lehtonen <tuukka.lehtonen@semantum.fi>
Date: Thu, 4 Oct 2018 08:21:50 +0300
Subject: [PATCH] Fixed Acorn MainProgram and GraphClientImpl2 to use Logger

Previously the t.printStackTrace() in MainProrgam.run caused an
unexpected error that killed MainProgram to go down the drain.

gitlab #141

Change-Id: If68244b0e0f029ca43bbc45159936d3d89e49262
---
 .../src/org/simantics/acorn/GraphClientImpl2.java          | 3 +--
 .../src/org/simantics/acorn/MainProgram.java               | 7 ++++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/bundles/org.simantics.acorn/src/org/simantics/acorn/GraphClientImpl2.java b/bundles/org.simantics.acorn/src/org/simantics/acorn/GraphClientImpl2.java
index 2ffdc715f..a0c2ef860 100644
--- a/bundles/org.simantics.acorn/src/org/simantics/acorn/GraphClientImpl2.java
+++ b/bundles/org.simantics.acorn/src/org/simantics/acorn/GraphClientImpl2.java
@@ -46,7 +46,6 @@ import org.simantics.db.server.ProCoreException;
 import org.simantics.db.service.ClusterSetsSupport;
 import org.simantics.db.service.ClusterUID;
 import org.simantics.db.service.LifecycleSupport;
-import org.simantics.utils.DataContainer;
 import org.simantics.utils.datastructures.Pair;
 import org.simantics.utils.logging.TimeLogger;
 import org.slf4j.Logger;
@@ -689,7 +688,7 @@ public class GraphClientImpl2 implements Database.Session {
 		    						LOGGER.info("performUndo " + ccsid);
 		    					performUndo(ccsid, clusterChanges, support);
 		    				} catch (DatabaseException e) {
-		    					e.printStackTrace();
+		    					LOGGER.error("failed to perform undo for cluster change set {}", ccsid, e);
 		    				}
 		    			}
 		    		}
diff --git a/bundles/org.simantics.acorn/src/org/simantics/acorn/MainProgram.java b/bundles/org.simantics.acorn/src/org/simantics/acorn/MainProgram.java
index 8dea16d7f..ec4d56c21 100644
--- a/bundles/org.simantics.acorn/src/org/simantics/acorn/MainProgram.java
+++ b/bundles/org.simantics.acorn/src/org/simantics/acorn/MainProgram.java
@@ -61,6 +61,7 @@ public class MainProgram implements Runnable, Closeable {
 		}
 	}
 
+	@SuppressWarnings("unchecked")
 	MainProgram(GraphClientImpl2 client, ClusterManager clusters) {
 
 		this.client = client;
@@ -128,7 +129,7 @@ public class MainProgram implements Runnable, Closeable {
 				try {
 					swapChunks();
 				} catch (AcornAccessVerificationException | IllegalAcornStateException e) {
-				    e.printStackTrace();
+					LOGGER.error("cluster chunk swapping failed", e);
 				} finally {
 					clusters.streamLRU.releaseMutex();
 				}
@@ -146,7 +147,7 @@ public class MainProgram implements Runnable, Closeable {
 			}
 
 		} catch (Throwable t) {
-			t.printStackTrace();
+			LOGGER.error("FATAL: MainProgram died unexpectedly", t);
 		} finally {
 			deathBarrier.release();
 		}
@@ -356,7 +357,7 @@ public class MainProgram implements Runnable, Closeable {
                 executor.awaitTermination(500, TimeUnit.MILLISECONDS);
                 clusterUpdateThreads[i] = null;
             } catch (InterruptedException e) {
-                e.printStackTrace();
+                LOGGER.error("clusterUpdateThread[{}] termination interrupted", i, e);
             }
         }
     }
-- 
2.47.1