[MDEV-742] LP:803649 - Xa recovery failed on client disconnection - Jira

Details

Type: Task
Status: Closed (View Workflow)
Priority: Critical
Resolution: Fixed
Fix Version/s: 10.5.2
Component/s: OTHER
Labels:

Description

Dispite prepare phase have been rich you will get nothing when doing a xa recover if the client get disconnected befor commit

In the following php script an error is generated to force the COMMIT to failed cf:XA COMMITEE and close the connection.

<?php

$dt = date_create();

$xid = date_timestamp_get($dt);

echo "xid : ".$xid;

$logger1 = new mysqli('localhost', 'root', 'xxxxx', 'test');

if (mysqli_connect_error()) {

    die('Erreur de connexion (' . mysqli_connect_errno() . ') '. mysqli_connect_error());

$potest = new mysqli('192.168.45.166', 'test', 'xxxxxxx', 'test');

if (mysqli_connect_error()) {

    $logger1->close();

    die('Erreur de connexion (' . mysqli_connect_errno() . ') '. mysqli_connect_error());

echo 'SuccËs logger1 ' . $logger1->host_info . "\n";

echo 'SuccËs potest ' . $potest->host_info . "\n";

##################################

$queryXA = 'XA START "'.$xid.'"';

$queryRes = $logger1->query($queryXA);

if (!$queryRes) {

    $message  = 'RequÍte invalide logger1: ' . $logger1->error . "\n";

    $message .= 'RequÍte complËte : ' . $queryXA;

    $logger1->close();

    $potest->close();

    die($message);

$queryRes = $potest->query($queryXA);

if (!$queryRes) {

    $message  = 'RequÍte invalide potest: ' . $potest->error . "\n";

    $message .= 'RequÍte complËte : ' . $queryXA;

    $logger1->close();

    $potest->close();

    die($message);

##################################

##################################

$queryXA = 'INSERT INTO mthoxa(xamtho_tc) values ("'.$xid.'")';

$queryRes = $logger1->query($queryXA);

if (!$queryRes) {

    $message  = 'RequÍte invalide logger1: ' . $logger1->error . "\n";

    $message .= 'RequÍte complËte : ' . $queryXA;

    $logger1->close();

    $potest->close();

    die($message);

$queryRes = $potest->query($queryXA);

if (!$queryRes) {

    $message  = 'RequÍte invalide logger1: ' . $logger1->error . "\n";

    $message .= 'RequÍte complËte : ' . $queryXA;

    $logger1->close();

    $potest->close();

    die($message);

##################################

##################################

$queryXA = 'XA END "'.$xid.'"';

$queryRes = $logger1->query($queryXA);

if (!$queryRes) {

    $message  = 'RequÍte invalide logger1: ' . $logger1->error . "\n";

    $message .= 'RequÍte complËte : ' . $queryXA;

    $logger1->close();

    $potest->close();

    die($message);

$queryRes = $potest->query($queryXA);

if (!$queryRes) {

    $message  = 'RequÍte invalide potest: ' . $potest->error . "\n";

    $message .= 'RequÍte complËte : ' . $queryXA;

    $logger1->close();

    $potest->close();

    die($message);

##################################

##################################

$queryXA = 'XA PREPARE "'.$xid.'"';

$queryRes = $logger1->query($queryXA);

if (!$queryRes) {

    $message  = 'RequÍte invalide logger1: ' . $logger1->error . "\n";

    $message .= 'RequÍte complËte : ' . $queryXA;

    $logger1->close();

    $potest->close();

    die($message);

$queryRes = $potest->query($queryXA);

if (!$queryRes) {

    $message  = 'RequÍte invalide potest: ' . $potest->error . "\n";

    $message .= 'RequÍte complËte : ' . $queryXA;

    $logger1->close();

    $potest->close();

    die($message);

##################################

##################################

$queryXA = 'XA COMMIT "'.$xid.'"';

$queryRes = $logger1->query($queryXA);

if (!$queryRes) {

    $message  = 'RequÍte invalide logger1: ' . $logger1->error . "\n";

    $message .= 'RequÍte complËte : ' . $queryXA;

    $logger1->close();

    $potest->close();

    die($message);

$queryXA = 'XA COMMITEE "'.$xid.'"';

$queryRes = $potest->query($queryXA);

if (!$queryRes) {

    $message  = 'RequÍte invalide potest: ' . $potest->error . "\n";

    $message .= 'RequÍte complËte : ' . $queryXA;

    $queryXA = 'XA RECOVER';

    $queryRes = $potest->query($queryXA);

    while ($r=$queryRes->fetch_assoc())

    	print_r($r);

    $logger1->close();

    $potest->close();

    die($message);

##################################

$logger1->close();

$potest->close();

echo "Finish !\n"

?>

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LPexportBug803649.xml
6 kB
2012-10-03 11:32

Issue Links

blocks

MDEV-21168 Active XA transactions stop slave from working after backup was restored.

Closed

MDEV-21854 xa commit 'xid' one phase for already prepared transaction must always error out

Closed

causes

MDEV-22733 XA PREPARE breaks MDL in pseudo_slave_mode=1

In Progress

MDEV-26652 xa transactions binlogged in wrong order

Closed

MDEV-26682 slave lock timeout with xa and gap locks

Closed

MDEV-29410 abort-and-replay prepared XA transactions on the slave

Open

MDEV-31949 slow parallel replication of user xa

Stalled

duplicates

MDEV-21304 kill session deletes XA prepared transaktion

Closed

is blocked by

MDEV-21659 XA rollback 'foreign_xid' is allowed inside active XA

Closed

MDEV-21856 XID_t::formatID has to be contrained to 4 byte size

Closed

is duplicated by

MDEV-7974 backport fix for mysql bug#12161 (XA and binlog)

Closed

relates to

MDEV-15532 XA: Assertion `!log->same_pk' failed in row_log_table_apply_delete

Closed

MDEV-21469 Implement crash-safe logging of the user XA

Stalled

MDEV-21766 Forbid XID with empty 'gtrid'

Closed

MDEV-21777 Implement crash-safe execution the user XA on binlog-less slave

Open

MDEV-25055 XA ROLLBACK reports ER_XAER_NOTA for another connection's XA PREPARE

Open

MDEV-29819 Shutdown unexpectedly executes XA ROLLBACK

Open

MDEV-32813 read-only xa prepare may disappear upon server restart

Open

MDEV-11675 Lag Free Alter On Slave

Closed

MDEV-21168 Active XA transactions stop slave from working after backup was restored.

Closed

MDEV-21602 CREATE TABLE…PRIMARY KEY…SELECT workaround causes DROP TABLE to ignore locks

Closed

MDEV-21644 Assertion `thd->transaction.xid_state.is_explicit_XA()' failed in binlog_commit_flush_trx_cache

Closed

MDEV-22445 Crash on HANDLER READ NEXT after XA PREPARE

Closed

MDEV-22656 Document what rollback-xa mariabackup option does

Closed

MDEV-25117 rpl.rpl_parallel_xa_same_xid failed in bb, sync_with_master failed:

Open

MDEV-25616 Binlog event for XA COMMIT is generated without matching XA START, replication aborts

Closed

MDEV-29642 Server Crash During XA Prepare Can Break Replication

Closed

MDEV-32020 XA transaction replicates incorrectly, must be applied at XA COMMIT, not XA PREPARE

Open

MDEV-33668 Adapt parallel slave's round-robin scheduling to XA events

Closed

MDEV-35019 Provide a way to enable "rollback XA on disconnect" behavior we had before 10.5.2

Stalled

links to

Bug #12161 - Xa recovery and client disconnection

(2 causes, 1 duplicates, 2 is blocked by, 1 is duplicated by, 19 relates to, 1 links to)

Activity

Transition	Time In Source Status	Execution Times

Andrei Elkin made transition - 2019-06-20 08:55

Open

In Progress

2912d 11h 37m

Andrei Elkin made transition - 2020-02-03 08:31

In Progress

In Review

227d 23h 35m

Sergey Vojtovich made transition - 2020-03-15 20:24

In Review

Stalled

41d 11h 53m

Andrei Elkin made transition - 2020-03-16 09:50

Stalled

Closed

13h 26m

People

Assignee:: Andrei Elkin

Reporter:: Stephane VAROQUI (Inactive)

Votes:: 2 Vote for this issue

Watchers:: 20 Start watching this issue

Dates

Created:: 2011-06-29 21:17

Updated:: 3 days ago 12:49

Resolved:: 2020-03-16 09:50

Git Integration

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