SST fails when sstdir is provided with a relative path instead of an absolute path

[sst]

sstdir=sst_test

2025-10-14  7:25:56 2 [Note] WSREP: GCache history reset: 4378884b-a8cc-11f0-b8b0-56049aa5e204:0 -> 4378884b-a8cc-11f0-b8b0-56049aa5e204:35442

WSREP_SST: [INFO] Use user-specified directory for SST: 'sst_test' (20251014 07:25:57.308)

WSREP_SST: [INFO] Proceeding with SST (20251014 07:25:57.318)

WSREP_SST: [INFO] Evaluating socat -u TCP-LISTEN:12459,reuseaddr stdio | '/home/ramesh/10.6/mariadb-10.6.24-linux-x86_64//bin/mbstream' -x; RC=( ${PIPESTATUS[@]} ) (20251014 07:25:57.319)

WSREP_SST: [INFO] Cleaning current state in parallel with SST... (20251014 07:25:57.320)

WSREP_SST: [INFO] Cleaning the old binary logs (20251014 07:25:57.341)

WSREP_SST: [INFO] Cleaning the existing datadir and innodb-data/log directories (20251014 07:25:57.345)

WSREP_SST: [INFO] Waiting for SST streaming to complete! (20251014 07:25:57.352)

2025-10-14  7:25:58 0 [Note] WSREP: (0595b7ab-bb33, 'tcp://127.0.0.1:12965') turning message relay requesting off

/home/ramesh/10.6/mariadb-10.6.24-linux-x86_64//bin/mbstream: Can't create/write to file './ib_logfile0' (Errcode: 2 "No such file or directory")

[00] 2025-10-14 07:26:07 /home/ramesh/10.6/mariadb-10.6.24-linux-x86_64//bin/mbstream: failed to create file.

2025/10/14 07:26:07 socat[438166] E write(1, 0x561c7923c000, 2138): Broken pipe

WSREP_SST: [ERROR] Error while getting data from donor node: exit codes: 1 0 (20251014 07:26:07.546)

WSREP_SST: [ERROR] xtrabackup_checkpoints missing, failed mariadb-backup/SST on donor (20251014 07:26:07.658)

WSREP_SST: [ERROR] Cleanup after exit with status: 2 (20251014 07:26:07.659)

WSREP_SST: [ERROR] Removing sst_test/xtrabackup_galera_info file due to signal (20251014 07:26:07.662)

WSREP_SST: [INFO] Removing the sst_in_progress file (20251014 07:26:07.665)

WSREP_SST: [INFO] Cleaning up temporary directories (20251014 07:26:07.667)

2025-10-14  7:26:07 0 [ERROR] WSREP: Process completed with error: wsrep_sst_mariabackup --role 'joiner' --address '127.0.0.1:12459' --datadir '/home/ramesh/10.6/mariadb-10.6.24-linux-x86_64/node3/' --defaults-file '/home/ramesh/10.6/mariadb-10.6.24-linux-x86_64/n3.cnf' --parent 437663 --progress 0 --binlog 'binlog' --mysqld-args --defaults-file=/home/ramesh/10.6/mariadb-10.6.24-linux-x86_64/n3.cnf: 2 (No such file or directory)

2025-10-14  7:26:07 0 [ERROR] WSREP: Failed to read uuid:seqno and wsrep_gtid_domain_id from joiner script.

2025-10-14  7:26:07 3 [Note] WSREP: SST received