周浩 修改部分阻断问题

代码/workspace_robo4/plugins/dotnet/robocode.dotnet.installer/src/main/java/net/sf/robocode/installer/AutoExtract.java

@@ -44,6 +44,8 @@ public class AutoExtract implements ActionListener {
 			is = extractJar.getInputStream(extractJar.getJarEntry("license/cpl-v10.html"));
 		} catch (IOException e) {
 			return true;
+		}finally{
+            extractJar.close();
         }
 		if (is == null) {
 			return true;