java异常 caused by_Caused by: java.io.EOFException: Can not read response from server.

1、错误描述

The last packet successfully received from the server was 76,997 milliseconds ago. The last packet sent successfully to the server was 78,995

milliseconds ago.

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

at java.lang.reflect.Constructor.newInstance(Constructor.java:526)

at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)

at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117)

at com.mysql.jdbc.MysqlIO.nextRowFast(MysqlIO.java:2144)

at com.mysql.jdbc.MysqlIO.nextRow(MysqlIO.java:1900)

at com.mysql.jdbc.MysqlIO.readSingleRowSet(MysqlIO.java:3401)

at com.mysql.jdbc.MysqlIO.getResultSet(MysqlIO.java:483)

at com.mysql.jdbc.MysqlIO.readResultsForQueryOrUpdate(MysqlIO.java:3096)

at com.mysql.jdbc.MysqlIO.readAllResults(MysqlIO.java:2266)

at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2687)

at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2719)

at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2155)

at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2318)

at sun.reflect.GeneratedMethodAccessor38.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:606)

at org.logicalcobwebs.proxool.ProxyStatement.invoke(ProxyStatement.java:100)

at org.logicalcobwebs.proxool.ProxyStatement.intercept(ProxyStatement.java:57)

at $java.sql.Wrapper$$EnhancerByProxool$$8d43c634.executeQuery()

at base.dao.impl.BaseDaoImpl$2.execute(BaseDaoImpl.java:185)

at base.dao.impl.BaseDaoImpl$2.execute(BaseDaoImpl.java:1)

at org.hibernate.jdbc.WorkExecutor.executeReturningWork(WorkExecutor.java:72)

at org.hibernate.internal.SessionImpl$3.accept(SessionImpl.java:2052)

at org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.coordinateWork(JdbcCoordinatorImpl.java:313)

... 82 more

Caused by: java.io.EOFException: Can not read response from server. Expected to read 5 bytes, read 3 bytes before connection was unexpectedly

lost.

at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3017)

at com.mysql.jdbc.MysqlIO.nextRowFast(MysqlIO.java:2125)

... 102 more

2、错误原因

3、解决办法

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