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make websocket send threadsafe

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This commit is contained in:
Lee moon soo 2016-10-06 08:01:26 +09:00
parent 578fdf3e06
commit 0b60743530
1 changed files with 1 additions and 1 deletions
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zeppelin-server/src/main/java/org/apache/zeppelin/socket/NotebookSocket.java
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@ -65,7 +65,7 @@ public class NotebookSocket extends WebSocketAdapter {
return protocol;
}
public void send(String serializeMessage) throws IOException {
public synchronized void send(String serializeMessage) throws IOException {
connection.getRemote().sendString(serializeMessage);
}