You are connected as 'root' with no password, which corresponds to the default MySQL privileged account. Your MySQL server is running with this default, is open to intrusion, and you really should fix this security hole by setting a password for user 'root'.
Warning in ./libraries/dbi/DBIMysqli.class.php#261
mysqli_query(): MySQL server has gone away
Backtrace
./libraries/dbi/DBIMysqli.class.php#261: mysqli_query(
object,
string 'SELECT `SCHEMA_NAME` FROM `INFORMATION_SCHEMA`.`SCHEMATA`, (SELECT DB_first_level FROM ( SELECT DISTINCT SUBSTRING_INDEX(SCHEMA_NAME, \'_\', 1) DB_first_level FROM INFORMATION_SCHEMA.SCHEMATA WHERE TRUE ) t ORDER BY DB_first_level ASC LIMIT 0, 100) t2 WHERE TRUE AND 1 = LOCATE(CONCAT(DB_first_level, \'_\'), CONCAT(SCHEMA_NAME, \'_\')) ORDER BY SCHEMA_NAME ASC',
integer 0,
)
./libraries/DatabaseInterface.class.php#246: PMA_DBI_Mysqli->realQuery(
string 'SELECT `SCHEMA_NAME` FROM `INFORMATION_SCHEMA`.`SCHEMATA`, (SELECT DB_first_level FROM ( SELECT DISTINCT SUBSTRING_INDEX(SCHEMA_NAME, \'_\', 1) DB_first_level FROM INFORMATION_SCHEMA.SCHEMATA WHERE TRUE ) t ORDER BY DB_first_level ASC LIMIT 0, 100) t2 WHERE TRUE AND 1 = LOCATE(CONCAT(DB_first_level, \'_\'), CONCAT(SCHEMA_NAME, \'_\')) ORDER BY SCHEMA_NAME ASC',
object,
integer 0,
)
./libraries/DatabaseInterface.class.php#2106: PMA_DatabaseInterface->tryQuery(
string 'SELECT `SCHEMA_NAME` FROM `INFORMATION_SCHEMA`.`SCHEMATA`, (SELECT DB_first_level FROM ( SELECT DISTINCT SUBSTRING_INDEX(SCHEMA_NAME, \'_\', 1) DB_first_level FROM INFORMATION_SCHEMA.SCHEMATA WHERE TRUE ) t ORDER BY DB_first_level ASC LIMIT 0, 100) t2 WHERE TRUE AND 1 = LOCATE(CONCAT(DB_first_level, \'_\'), CONCAT(SCHEMA_NAME, \'_\')) ORDER BY SCHEMA_NAME ASC',
NULL,
integer 0,
boolean false,
)
./libraries/navigation/Nodes/Node.class.php#460: PMA_DatabaseInterface->fetchResult(string 'SELECT `SCHEMA_NAME` FROM `INFORMATION_SCHEMA`.`SCHEMATA`, (SELECT DB_first_level FROM ( SELECT DISTINCT SUBSTRING_INDEX(SCHEMA_NAME, \'_\', 1) DB_first_level FROM INFORMATION_SCHEMA.SCHEMATA WHERE TRUE ) t ORDER BY DB_first_level ASC LIMIT 0, 100) t2 WHERE TRUE AND 1 = LOCATE(CONCAT(DB_first_level, \'_\'), CONCAT(SCHEMA_NAME, \'_\')) ORDER BY SCHEMA_NAME ASC')
./libraries/navigation/NavigationTree.class.php#279: Node->getData(
string 'databases',
integer 0,
string '',
)
./libraries/navigation/NavigationTree.class.php#830: PMA_NavigationTree->_buildPath()
./libraries/navigation/Navigation.class.php#44: PMA_NavigationTree->renderState()
./libraries/Header.class.php#433: PMA_Navigation->getDisplay()
./libraries/Response.class.php#263: PMA_Header->getDisplay()
./libraries/Response.class.php#276: PMA_Response->_getDisplay()
./libraries/Response.class.php#397: PMA_Response->_htmlResponse()
PMA_Response::response()
Warning in ./libraries/dbi/DBIMysqli.class.php#261
mysqli_query(): Error reading result set's header
Backtrace
./libraries/dbi/DBIMysqli.class.php#261: mysqli_query(
object,
string 'SELECT `SCHEMA_NAME` FROM `INFORMATION_SCHEMA`.`SCHEMATA`, (SELECT DB_first_level FROM ( SELECT DISTINCT SUBSTRING_INDEX(SCHEMA_NAME, \'_\', 1) DB_first_level FROM INFORMATION_SCHEMA.SCHEMATA WHERE TRUE ) t ORDER BY DB_first_level ASC LIMIT 0, 100) t2 WHERE TRUE AND 1 = LOCATE(CONCAT(DB_first_level, \'_\'), CONCAT(SCHEMA_NAME, \'_\')) ORDER BY SCHEMA_NAME ASC',
integer 0,
)
./libraries/DatabaseInterface.class.php#246: PMA_DBI_Mysqli->realQuery(
string 'SELECT `SCHEMA_NAME` FROM `INFORMATION_SCHEMA`.`SCHEMATA`, (SELECT DB_first_level FROM ( SELECT DISTINCT SUBSTRING_INDEX(SCHEMA_NAME, \'_\', 1) DB_first_level FROM INFORMATION_SCHEMA.SCHEMATA WHERE TRUE ) t ORDER BY DB_first_level ASC LIMIT 0, 100) t2 WHERE TRUE AND 1 = LOCATE(CONCAT(DB_first_level, \'_\'), CONCAT(SCHEMA_NAME, \'_\')) ORDER BY SCHEMA_NAME ASC',
object,
integer 0,
)
./libraries/DatabaseInterface.class.php#2106: PMA_DatabaseInterface->tryQuery(
string 'SELECT `SCHEMA_NAME` FROM `INFORMATION_SCHEMA`.`SCHEMATA`, (SELECT DB_first_level FROM ( SELECT DISTINCT SUBSTRING_INDEX(SCHEMA_NAME, \'_\', 1) DB_first_level FROM INFORMATION_SCHEMA.SCHEMATA WHERE TRUE ) t ORDER BY DB_first_level ASC LIMIT 0, 100) t2 WHERE TRUE AND 1 = LOCATE(CONCAT(DB_first_level, \'_\'), CONCAT(SCHEMA_NAME, \'_\')) ORDER BY SCHEMA_NAME ASC',
NULL,
integer 0,
boolean false,
)
./libraries/navigation/Nodes/Node.class.php#460: PMA_DatabaseInterface->fetchResult(string 'SELECT `SCHEMA_NAME` FROM `INFORMATION_SCHEMA`.`SCHEMATA`, (SELECT DB_first_level FROM ( SELECT DISTINCT SUBSTRING_INDEX(SCHEMA_NAME, \'_\', 1) DB_first_level FROM INFORMATION_SCHEMA.SCHEMATA WHERE TRUE ) t ORDER BY DB_first_level ASC LIMIT 0, 100) t2 WHERE TRUE AND 1 = LOCATE(CONCAT(DB_first_level, \'_\'), CONCAT(SCHEMA_NAME, \'_\')) ORDER BY SCHEMA_NAME ASC')
./libraries/navigation/NavigationTree.class.php#279: Node->getData(
string 'databases',
integer 0,
string '',
)
./libraries/navigation/NavigationTree.class.php#830: PMA_NavigationTree->_buildPath()
./libraries/navigation/Navigation.class.php#44: PMA_NavigationTree->renderState()
./libraries/Header.class.php#433: PMA_Navigation->getDisplay()
./libraries/Response.class.php#263: PMA_Header->getDisplay()
./libraries/Response.class.php#276: PMA_Response->_getDisplay()
./libraries/Response.class.php#397: PMA_Response->_htmlResponse()
PMA_Response::response()
Warning in ./libraries/dbi/DBIMysqli.class.php#261
Error while sending QUERY packet. PID=4086502
Backtrace
./libraries/dbi/DBIMysqli.class.php#261: mysqli_query(
object,
string 'SELECT `db_name`, COUNT(*) AS `count` FROM `phpmyadmin`.`pma__navigationhiding` WHERE `username`=\'root\' GROUP BY `db_name`',
integer 0,
)
./libraries/DatabaseInterface.class.php#246: PMA_DBI_Mysqli->realQuery(
string 'SELECT `db_name`, COUNT(*) AS `count` FROM `phpmyadmin`.`pma__navigationhiding` WHERE `username`=\'root\' GROUP BY `db_name`',
object,
integer 0,
)
./libraries/DatabaseInterface.class.php#2106: PMA_DatabaseInterface->tryQuery(
string 'SELECT `db_name`, COUNT(*) AS `count` FROM `phpmyadmin`.`pma__navigationhiding` WHERE `username`=\'root\' GROUP BY `db_name`',
object,
integer 0,
boolean false,
)
./libraries/navigation/Nodes/Node.class.php#814: PMA_DatabaseInterface->fetchResult(
string 'SELECT `db_name`, COUNT(*) AS `count` FROM `phpmyadmin`.`pma__navigationhiding` WHERE `username`=\'root\' GROUP BY `db_name`',
string 'db_name',
string 'count',
object,
)
./libraries/navigation/NavigationTree.class.php#280: Node->getNavigationHidingData()
./libraries/navigation/NavigationTree.class.php#830: PMA_NavigationTree->_buildPath()
./libraries/navigation/Navigation.class.php#44: PMA_NavigationTree->renderState()
./libraries/Header.class.php#433: PMA_Navigation->getDisplay()
./libraries/Response.class.php#263: PMA_Header->getDisplay()
./libraries/Response.class.php#276: PMA_Response->_getDisplay()
./libraries/Response.class.php#397: PMA_Response->_htmlResponse()
PMA_Response::response()