socket failed: EMFILE (Too many open files)

java.net.SocketException: socket failed: EMFILE (Too many open files)
	at libcore.io.IoBridge.socket(IoBridge.java:622)
	at java.net.PlainSocketImpl.create(PlainSocketImpl.java:201)
	at java.net.Socket.checkOpenAndCreate(Socket.java:676)
	at java.net.Socket.setSoTimeout(Socket.java:528)
	at com.android.org.conscrypt.OpenSSLSocketImpl.setSoTimeout(OpenSSLSocketImpl.java:951)
	at com.android.org.conscrypt.OpenSSLSocketImplWrapper.setSoTimeout(OpenSSLSocketImplWrapper.java:111)
	at okhttp3.internal.connection.RealConnection.newCodec(RealConnection.java:518)
	at okhttp3.internal.connection.StreamAllocation.newStream(StreamAllocation.java:116)
	at okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.java:42)
	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147)
	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:121)
	at okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.java:93)
	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147)
	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:121)
	at okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.java:93)
	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147)
	at okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.java:126)
	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:147)
	at okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.java:121)
	at okhttp3.RealCall.getResponseWithInterceptorChain(RealCall.java:254)
	at okhttp3.RealCall$AsyncCall.execute(RealCall.java:200)
	at okhttp3.internal.NamedRunnable.run(NamedRunnable.java:32)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
	at java.lang.Thread.run(Thread.java:848)
Caused by: libcore.io.ErrnoException: socket failed: EMFILE (Too many open files)
	at libcore.io.Posix.socket(Native Method)
	at libcore.io.BlockGuardOs.socket(BlockGuardOs.java:181)
	at libcore.io.IoBridge.socket(IoBridge.java:607)
	... 24 more