java的MySQL連接鏈路故障

34個節點上運行好後..我的計劃得到一些消息的錯誤是這樣的：java的MySQL連接鏈路故障
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure 
The last packet sent successfully to the server was 0 milliseconds ago. 
The driver has not received any packets from the server. 
     at sun.reflect.GeneratedConstructorAccessor8.newInstance(Unknown Source) 
     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance 
         (DelegatingConstructorAccessorImpl.java:27) 
     at java.lang.reflect.Constructor.newInstance(Constructor.java:513) 
     at com.mysql.jdbc.Util.handleNewInstance(Util.java:409) 
     at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1122) 
     at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2260) 
     at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:787) 
     at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:49) 
     at sun.reflect.GeneratedConstructorAccessor4.newInstance(Unknown Source) 
     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(
         DelegatingConstructorAccessorImpl.java:27) 
     at java.lang.reflect.Constructor.newInstance(Constructor.java:513) 
     at com.mysql.jdbc.Util.handleNewInstance(Util.java:409) 
     at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:357) 
     at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285) 
     at java.sql.DriverManager.getConnection(DriverManager.java:582) 
     at java.sql.DriverManager.getConnection(DriverManager.java:207) 
     at org.sc.timetable.core.Database.Koneksi2DBMS(Database.java:77) 
     at org.sc.timetable.core.Node.jumlahNode(Node.java:55) 
     at org.sc.timetable.core.Node.DataPemetaan(Node.java:73) 
     at org.sc.timetable.core.Node.matriknode(Node.java:123) 
     at org.sc.timetable.core.Node.main(Node.java:158) 

Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure 

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. 
     at sun.reflect.GeneratedConstructorAccessor8.newInstance(Unknown Source) 
     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance 
         (DelegatingConstructorAccessorImpl.java:27) 
     at java.lang.reflect.Constructor.newInstance(Constructor.java:513) 
     at com.mysql.jdbc.Util.handleNewInstance(Util.java:409) 
     at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1122) 
     at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:344) 
     at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2181) 
     ... 15 more 
Caused by: java.net.SocketException: No buffer space available (maximum connections reached?): connect 
     at java.net.PlainSocketImpl.socketConnect(Native Method) 
     at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351) 
     at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213) 
     at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200) 
     at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366) 
     at java.net.Socket.connect(Socket.java:529) 
     at java.net.Socket.connect(Socket.java:478) 
     at java.net.Socket.<init>(Socket.java:375) 
     at java.net.Socket.<init>(Socket.java:218) 
     at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:256) 
     at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:293) 
     ... 16 more
Java結果：1
有人可以幫助我嗎？
來源
2011-08-05 henni
我在Windows 7上遇到了一些問題。我解決了它的https://support.microsoft.com/en-us/kb/196271 – Megaprog
java的MySQL連接鏈路故障

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