Bug 563041 - NPE in IOConsolePartitioner output appendingI20200511-1800

Unlikely but possible that after output appending job is started but
before entering the synchronized block a partitioner disconnect happens
and 'nulls' the document.

Change-Id: I8be692b7f7374dfe8234e22571c1561f63e07c80
Signed-off-by: Paul Pazderski <paul-eclipse@ppazderski.de>

1 files changed, 7 insertions, 3 deletions

diff --git a/org.eclipse.ui.console/src/org/eclipse/ui/internal/console/IOConsolePartitioner.java b/org.eclipse.ui.console/src/org/eclipse/ui/internal/console/IOConsolePartitioner.java
index d6a73d3d2..6f593fe1b 100644
--- a/org.eclipse.ui.console/src/org/eclipse/ui/internal/console/IOConsolePartitioner.java
+++ b/org.eclipse.ui.console/src/org/eclipse/ui/internal/console/IOConsolePartitioner.java
@@ -447,8 +447,10 @@ public class IOConsolePartitioner
 			pendingSize = 0;
 		}
 		synchronized (partitions) {
-			trimJob.setTrimOffset(document.getLength());
-			trimJob.schedule();
+			if (document != null) {
+				trimJob.setTrimOffset(document.getLength());
+				trimJob.schedule();
+			}
 		}
 	}
 
@@ -803,7 +805,9 @@ public class IOConsolePartitioner
 				pendingPartitions.notifyAll();
 			}
 			synchronized (partitions) {
-				applyStreamOutput(pendingCopy, size);
+				if (document != null) {
+					applyStreamOutput(pendingCopy, size);
+				}
 			}
 			checkFinished();
 			checkBufferSize();