Here is my wrapper log ....
INFO|wrapper|Service traccar|18-12-06 07:31:47|posix_spawn pid 2356
INFO|wrapper|Service traccar|18-12-06 07:31:47|started process 2356
INFO|wrapper|Service traccar|18-12-06 07:31:47|started process with pid 2356
INFO|2356/0|Service traccar|18-12-06 07:31:50|[INFO] StandardFileSystemManager - Using "/tmp/vfs_cache" as temporary files store.
INFO|2356/0|Service traccar|18-12-06 07:31:51|SLF4J: Class path contains multiple SLF4J bindings.
INFO|2356/0|Service traccar|18-12-06 07:31:51|SLF4J: Found binding in [jar:file:/opt/traccar/lib/slf4j-simple-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]
INFO|2356/0|Service traccar|18-12-06 07:31:51|SLF4J: Found binding in [jar:file:/opt/traccar/lib/logback-classic-1.2.3.jar!/org/slf4j/impl/StaticLoggerBinder.class]
INFO|2356/0|Service traccar|18-12-06 07:31:51|SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
INFO|2356/0|Service traccar|18-12-06 07:31:51|SLF4J: Actual binding is of type [org.slf4j.impl.SimpleLoggerFactory]
INFO|2356/0|Service traccar|18-12-06 07:31:52|[main] INFO com.zaxxer.hikari.HikariDataSource - HikariPool-1 - Starting...
INFO|2356/0|Service traccar|18-12-06 07:31:52|[main] INFO com.zaxxer.hikari.HikariDataSource - HikariPool-1 - Start completed.
INFO|2356/0|Service traccar|18-12-06 07:31:54|[main] INFO liquibase.Liquibase - Clearing database change log checksums
INFO|2356/0|Service traccar|18-12-06 07:31:54|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT COUNT(*) FROM smarttrac.DATABASECHANGELOGLOCK
INFO|2356/0|Service traccar|18-12-06 07:31:54|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT COUNT(*) FROM smarttrac.DATABASECHANGELOGLOCK
INFO|2356/0|Service traccar|18-12-06 07:31:54|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT LOCKED FROM smarttrac.DATABASECHANGELOGLOCK WHERE ID=1
INFO|2356/0|Service traccar|18-12-06 07:31:54|[main] INFO liquibase.lockservice.StandardLockService - Waiting for changelog lock....
INFO|2356/0|Service traccar|18-12-06 07:32:04|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT LOCKED FROM smarttrac.DATABASECHANGELOGLOCK WHERE ID=1
INFO|2356/0|Service traccar|18-12-06 07:32:04|[main] INFO liquibase.lockservice.StandardLockService - Waiting for changelog lock....
INFO|2356/0|Service traccar|18-12-06 07:32:14|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT LOCKED FROM smarttrac.DATABASECHANGELOGLOCK WHERE ID=1
INFO|2356/0|Service traccar|18-12-06 07:32:14|[main] INFO liquibase.lockservice.StandardLockService - Waiting for changelog lock....
INFO|2356/0|Service traccar|18-12-06 07:32:24|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT LOCKED FROM smarttrac.DATABASECHANGELOGLOCK WHERE ID=1
INFO|2356/0|Service traccar|18-12-06 07:32:24|[main] INFO liquibase.lockservice.StandardLockService - Waiting for changelog lock....
INFO|2356/0|Service traccar|18-12-06 07:32:34|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT LOCKED FROM smarttrac.DATABASECHANGELOGLOCK WHERE ID=1
INFO|2356/0|Service traccar|18-12-06 07:32:34|[main] INFO liquibase.lockservice.StandardLockService - Waiting for changelog lock....
INFO|2356/0|Service traccar|18-12-06 07:32:44|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT LOCKED FROM smarttrac.DATABASECHANGELOGLOCK WHERE ID=1
INFO|2356/0|Service traccar|18-12-06 07:32:44|[main] INFO liquibase.lockservice.StandardLockService - Waiting for changelog lock....
INFO|2356/0|Service traccar|18-12-06 07:32:54|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT LOCKED FROM smarttrac.DATABASECHANGELOGLOCK WHERE ID=1
INFO|2356/0|Service traccar|18-12-06 07:32:54|[main] INFO liquibase.lockservice.StandardLockService - Waiting for changelog lock....
INFO|2356/0|Service traccar|18-12-06 07:33:04|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT LOCKED FROM smarttrac.DATABASECHANGELOGLOCK WHERE ID=1
INFO|2356/0|Service traccar|18-12-06 07:33:04|[main] INFO liquibase.lockservice.StandardLockService - Waiting for changelog lock....
INFO|2356/0|Service traccar|18-12-06 07:33:14|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT LOCKED FROM smarttrac.DATABASECHANGELOGLOCK WHERE ID=1
INFO|2356/0|Service traccar|18-12-06 07:33:14|[main] INFO liquibase.lockservice.StandardLockService - Waiting for changelog lock....
INFO|2356/0|Service traccar|18-12-06 07:33:24|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT LOCKED FROM smarttrac.DATABASECHANGELOGLOCK WHERE ID=1
INFO|2356/0|Service traccar|18-12-06 07:33:24|[main] INFO liquibase.lockservice.StandardLockService - Waiting for changelog lock....
INFO|2356/0|Service traccar|18-12-06 07:33:34|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT LOCKED FROM smarttrac.DATABASECHANGELOGLOCK WHERE ID=1
INFO|2356/0|Service traccar|18-12-06 07:33:34|[main] INFO liquibase.lockservice.StandardLockService - Waiting for changelog lock....
INFO|2356/0|Service traccar|18-12-06 07:33:44|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT LOCKED FROM smarttrac.DATABASECHANGELOGLOCK WHERE ID=1
INFO|2356/0|Service traccar|18-12-06 07:33:44|[main] INFO liquibase.lockservice.StandardLockService - Waiting for changelog lock....
INFO|2356/0|Service traccar|18-12-06 07:33:54|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT LOCKED FROM smarttrac.DATABASECHANGELOGLOCK WHERE ID=1
INFO|2356/0|Service traccar|18-12-06 07:33:54|[main] INFO liquibase.lockservice.StandardLockService - Waiting for changelog lock....
INFO|2356/0|Service traccar|18-12-06 07:34:04|[main] INFO liquibase.executor.jvm.JdbcExecutor - SELECT LOCKED FROM smarttrac.DATABASECHANGELOGLOCK WHERE ID=1
INFO|2356/0|Service traccar|18-12-06 07:34:04|[main] INFO liquibase.lockservice.StandardLockService - Waiting for changelog lock....
Here is my traccar -server log
2018-12-06 03:45:22 INFO: Operating system name: Linux version: 4.4.0-139-generic architecture: amd64
2018-12-06 03:45:22 INFO: Java runtime name: OpenJDK 64-Bit Server VM vendor: Oracle Corporation version: 25.191-b12
2018-12-06 03:45:22 INFO: Memory limit heap: 878mb non-heap: 0mb
2018-12-06 03:45:22 INFO: Character encoding: UTF-8 charset: UTF-8
2018-12-06 03:45:22 INFO: Version: 3.17-SNAPSHOT
...
2018-12-06 07:31:51 INFO: Version: 3.17-SNAPSHOT
but while hit the url it shows 502 server error
I looked the port by default 8082 port used by the system ad while i see the port it shows that 8082 is opened but while listing the listening port 8082 i got blank so pleas help what is causing this error.
Your database is locked. Search forum for more information on what it means how to fix it.
Here is my wrapper log ....
Here is my traccar -server log
but while hit the url it shows 502 server error
I looked the port by default 8082 port used by the system ad while i see the port it shows that 8082 is opened but while listing the listening port 8082 i got blank so pleas help what is causing this error.