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add synchronization to the error list (see #3651)

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Ben Fry
2015-08-17 20:44:04 -04:00
parent 3dd19310bb
commit 810045f3cc
1 changed files with 3 additions and 1 deletions
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4
java/src/processing/mode/java/ErrorColumn.java
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@@ -30,6 +30,7 @@ import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.swing.JPanel;
@@ -98,7 +99,8 @@ public class ErrorColumn extends JPanel {
/**
* Stores error markers displayed PER TAB along the error bar.
*/
protected List<ErrorMarker> errorPoints = new ArrayList<ErrorMarker>();
protected List<ErrorMarker> errorPoints =
Collections.synchronizedList(new ArrayList<ErrorMarker>());
/**
* Stores previous list of error markers.