Memcache problem socket or its streams already null in trueclose call

Symptom:

If one of the 20 servers reports a monitor error, query the log:

05 11 09:37:48 [maintthread] Error memcached. sockiopool-++ failed to close sockio OBJ from deadpool
05 11 09:37:48 [maintthread] Error memcached. sockiopool-++ socket or its streams already null in trueclose call
Java. Io. ioexception: ++ socket or its streams already null in trueclose call
At CN. Vika. memcached. sockiopool $ sockio. trueclose (sockiopool. Java: 1929)
At CN. Vika. memcached. sockiopool. selfmaint (sockiopool. Java: 1146)
At CN. Vika. memcached. sockiopool $ maintthread. Run (sockiopool. Java: 1661)

 

Similar errors occur on the online backend.

05 18 14:39:23 [thread-1: streamingreceiver] Error C. t. t. s. streamingcycler-streaming process error
JAVA. io. ioexception: ++ stream appears to be dead, so closing it down
at CN. t. trackurl. streaming. simplestreamingclient. readlinebytes (simplestreamingclient. java: 113 )~ [Trackurl-1.0-SNAPSHOT.jar: Na]
at CN. T. trackurl. streaming. streamingcycler. Run (streamingcycler. Java: 51 )~ [Trackurl-1.0-SNAPSHOT.jar: Na]
at java. lang. thread. run (thread. java: 662) [NA: 1.6.0 _ 24]
05 18 14:39:23 [thread-1: streamingcycler] info C. t. t. s. simplestreamingclient-connect to the streaming server OK