Print transient failure on tx leader retry for debugging

neo4j · Oct 13, 2016 · 12efc19 · 12efc19
1 parent 00f0f0b
commit 12efc19
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/enterprise/core-edge/src/test/java/org/neo4j/coreedge/discovery/Cluster.java b/enterprise/core-edge/src/test/java/org/neo4j/coreedge/discovery/Cluster.java
@@ -336,17 +336,18 @@ private CoreClusterMember leaderTx( BiConsumer<CoreGraphDatabase, Transaction> o
                 throw new DatabaseShutdownException();
             }
 
-            try
+            try ( Transaction tx = db.beginTx() )
             {
-                Transaction tx = db.beginTx();
                 op.accept( db, tx );
-                tx.close();
                 return member;
             }
             catch ( Throwable e )
             {
                 if ( isTransientFailure( e ) )
                 {
+                    // this is not the best, but it helps in debugging
+                    System.err.println( "Transient failure in leader transaction, trying again." );
+                    e.printStackTrace();
                     // sleep and retry
                     Thread.sleep( DEFAULT_BACKOFF_MS );
                 }