[traccar@localhost ~]$ tail -f /opt/traccar/logs/wrapper.log.20180601
INFO|36658/0|Service traccar|18-06-01 00:11:35| at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
INFO|36658/0|Service traccar|18-06-01 00:11:35| at java.lang.Class.forName0(Native Method)
INFO|36658/0|Service traccar|18-06-01 00:11:35| at java.lang.Class.forName(Class.java:195)
INFO|36658/0|Service traccar|18-06-01 00:11:35| at org.traccar.database.DataManager.initDatabase(DataManager.java:115)
INFO|36658/0|Service traccar|18-06-01 00:11:35| at org.traccar.database.DataManager.<init>(DataManager.java:87)
INFO|36658/0|Service traccar|18-06-01 00:11:35| at org.traccar.Context.init(Context.java:353)
INFO|36658/0|Service traccar|18-06-01 00:11:35| at org.traccar.Main.main(Main.java:35)
INFO|36658/0|Service traccar|18-06-01 00:11:35| ... 6 more
INFO|wrapper|Service traccar|18-06-01 00:11:35|waitpid 36658 59136
INFO|wrapper|Service traccar|18-06-01 00:11:35|exit code posix process: 59136 application(status/signal): 231/0
INFO|36658/0|Service traccar|18-06-01 00:11:35| at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
I need to see full stack trace, but it looks like you are missing database driver.
tried to use mariadb driver in centos 7
<entry key='database.driver'>org.mariadb.jdbc.Driver</entry>
<entry key='database.driverFile'>./lib/mariadb-java-client-2.0.1.jar</entry>
<entry key='database.url'>jdbc:mariadb://[HOST/IP]:3306/[DATABASE]?allowMultiQueries=true&autoReconnect=true&useUnicode=yes&characterEncoding=UTF-8&sessionVariables=sql_mode=''</entry>
<entry key='database.user'>[DB_USERNAME]</entry>
<entry key='database.password'>[DB_PASSWORD]</entry>
