RejectedExecutionException

[alla2040]

I have a lot of RejectedExecutionException in Crash Repost in Firebase from users, here are the logs:

Exception java.util.concurrent.RejectedExecutionException: Task okhttp3.internal.ws.RealWebSocket$1$2@c80eb66 rejected from java.util.concurrent.ThreadPoolExecutor@1817ea7[Terminated, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0]
java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution (ThreadPoolExecutor.java:2014)
java.util.concurrent.ThreadPoolExecutor.reject (ThreadPoolExecutor.java:794)
java.util.concurrent.ThreadPoolExecutor.execute (ThreadPoolExecutor.java:1340)
okhttp3.internal.ws.RealWebSocket$1.onClose (RealWebSocket.java:82)
okhttp3.internal.ws.WebSocketReader.readControlFrame (WebSocketReader.java:205)
okhttp3.internal.ws.WebSocketReader.processNextFrame (WebSocketReader.java:106)
okhttp3.internal.ws.RealWebSocket.readMessage (RealWebSocket.java:97)
okhttp3.ws.WebSocketCall.createWebSocket (WebSocketCall.java:152)
okhttp3.ws.WebSocketCall.access$000 (WebSocketCall.java:41)
okhttp3.ws.WebSocketCall$1.onResponse (WebSocketCall.java:97)
okhttp3.RealCall$AsyncCall.execute (RealCall.java:133)
okhttp3.internal.NamedRunnable.run (NamedRunnable.java:33)
java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1113)
java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:588)
java.lang.Thread.run (Thread.java:818)

in gradle of my project: compile('io.socket:socket.io-client:0.7.0') { // excluding org.json which is provided by Android exclude group: 'org.json', module: 'json' }

[a1134788957]

线程数不够啊 加大