CODE:

if (ret.sqle != null) { // SQLException
			System.out.println("getcause = "+ret.sqle.getCause()+" getnext = " + ret.sqle.getNextException());
			System.out.println(ret.sqle.getMessage());
			System.out.println(" @@@@@@@@@ EXIT @@@@@@");
			System.exit(1);

OUTPUT:

getcause = null getnext = null
Communications link failure due to underlying exception: 

** BEGIN NESTED EXCEPTION ** 

com.mysql.jdbc.CommunicationsException
MESSAGE: Communications link failure due to underlying exception: 

** BEGIN NESTED EXCEPTION ** 

java.io.EOFException
MESSAGE: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.

STACKTRACE:

java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
	at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1997)
	at com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:573)
	at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1044)
	at com.mysql.jdbc.Connection.createNewIO(Connection.java:2748)
	at com.mysql.jdbc.Connection.<init>(Connection.java:1553)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285)
	at java.sql.DriverManager.getConnection(DriverManager.java:582)
	at java.sql.DriverManager.getConnection(DriverManager.java:185)
	at morganizer.store.DB.connectToDB(DB.java:55)
	at morganizer.store.DB.<init>(DB.java:64)
	at morganizer.store.StorageDB.run(StorageDB.java:135)
	at java.lang.Thread.run(Thread.java:619)


** END NESTED EXCEPTION **



Last packet sent to the server was 0 ms ago.

STACKTRACE:

com.mysql.jdbc.CommunicationsException: Communications link failure due to underlying exception: 

** BEGIN NESTED EXCEPTION ** 

java.io.EOFException
MESSAGE: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.

STACKTRACE:

java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
	at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1997)
	at com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:573)
	at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1044)
	at com.mysql.jdbc.Connection.createNewIO(Connection.java:2748)
	at com.mysql.jdbc.Connection.<init>(Connection.java:1553)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285)
	at java.sql.DriverManager.getConnection(DriverManager.java:582)
	at java.sql.DriverManager.getConnection(DriverManager.java:185)
	at morganizer.store.DB.connectToDB(DB.java:55)
	at morganizer.store.DB.<init>(DB.java:64)
	at morganizer.store.StorageDB.run(StorageDB.java:135)
	at java.lang.Thread.run(Thread.java:619)


** END NESTED EXCEPTION **



Last packet sent to the server was 0 ms ago.
	at com.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java:641)
	at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1044)
	at com.mysql.jdbc.Connection.createNewIO(Connection.java:2748)
	at com.mysql.jdbc.Connection.<init>(Connection.java:1553)
	at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:285)
	at java.sql.DriverManager.getConnection(DriverManager.java:582)
	at java.sql.DriverManager.getConnection(DriverManager.java:185)
	at morganizer.store.DB.connectToDB(DB.java:55)
	at morganizer.store.DB.<init>(DB.java:64)
	at morganizer.store.StorageDB.run(StorageDB.java:135)
	at java.lang.Thread.run(Thread.java:619)


** END NESTED EXCEPTION **



Last packet sent to the server was 1 ms ago.
 @@@@@@@@@ EXIT @@@@@@