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 @@@@@@