Jun 20 05:51:06 localhost cerebro[4237]: java.sql.SQLTransientConnectionException: db - Connection is not available, request timed out after 30001ms.
Jun 20 05:51:06 localhost cerebro[4237]: at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:676)
Jun 20 05:51:06 localhost cerebro[4237]: at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:190)
Jun 20 05:51:06 localhost cerebro[4237]: at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:155)
Jun 20 05:51:06 localhost cerebro[4237]: at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:100)
Jun 20 05:51:06 localhost cerebro[4237]: at slick.jdbc.hikaricp.HikariCPJdbcDataSource.createConnection(HikariCPJdbcDataSource.scala:14)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.db.slick.evolutions.internal.DBApiAdapter$DatabaseAdapter.getConnection(DBApiAdapter.scala:57)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.db.evolutions.DatabaseEvolutions.databaseEvolutions(EvolutionsApi.scala:136)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.db.evolutions.DatabaseEvolutions.scripts(EvolutionsApi.scala:114)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.db.evolutions.DatabaseEvolutions.scripts(EvolutionsApi.scala:129)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.db.evolutions.DefaultEvolutionsApi.scripts(EvolutionsApi.scala:94)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.db.evolutions.ApplicationEvolutions$.$anonfun$runEvolutions$1(ApplicationEvolutions.scala:177)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.db.evolutions.ApplicationEvolutions$.withLock(ApplicationEvolutions.scala:203)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.db.evolutions.ApplicationEvolutions$.runEvolutions(ApplicationEvolutions.scala:173)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.db.evolutions.ApplicationEvolutions.$anonfun$start$1(ApplicationEvolutions.scala:53)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.db.evolutions.ApplicationEvolutions.$anonfun$start$1$adapted(ApplicationEvolutions.scala:53)
Jun 20 05:51:06 localhost cerebro[4237]: at scala.collection.immutable.Stream.foreach(Stream.scala:533)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.db.evolutions.ApplicationEvolutions.start(ApplicationEvolutions.scala:53)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.db.evolutions.ApplicationEvolutions.<init>(ApplicationEvolutions.scala:85)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.db.evolutions.ApplicationEvolutionsProvider.get$lzycompute(EvolutionsModule.scala:51)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.db.evolutions.ApplicationEvolutionsProvider.get(EvolutionsModule.scala:50)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.db.evolutions.ApplicationEvolutionsProvider.get(EvolutionsModule.scala:41)
Jun 20 05:51:06 localhost cerebro[4237]: at com.google.inject.internal.ProviderInternalFactory.provision(ProviderInternalFactory.java:85)
Jun 20 05:51:06 localhost cerebro[4237]: at com.google.inject.internal.BoundProviderFactory.provision(BoundProviderFactory.java:77)
Jun 20 05:51:06 localhost cerebro[4237]: at com.google.inject.internal.ProviderInternalFactory.circularGet(ProviderInternalFactory.java:59)
Jun 20 05:51:06 localhost cerebro[4237]: at com.google.inject.internal.BoundProviderFactory.get(BoundProviderFactory.java:61)
Jun 20 05:51:06 localhost cerebro[4237]: at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
Jun 20 05:51:06 localhost cerebro[4237]: at com.google.inject.internal.SingletonScope$1.get(SingletonScope.java:168)
Jun 20 05:51:06 localhost cerebro[4237]: at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:39)
Jun 20 05:51:06 localhost cerebro[4237]: at com.google.inject.internal.InternalInjectorCreator.loadEagerSingletons(InternalInjectorCreator.java:211)
Jun 20 05:51:06 localhost cerebro[4237]: at com.google.inject.internal.InternalInjectorCreator.injectDynamically(InternalInjectorCreator.java:182)
Jun 20 05:51:06 localhost cerebro[4237]: at com.google.inject.internal.InternalInjectorCreator.build(InternalInjectorCreator.java:109)
Jun 20 05:51:06 localhost cerebro[4237]: at com.google.inject.Guice.createInjector(Guice.java:87)
Jun 20 05:51:06 localhost cerebro[4237]: at com.google.inject.Guice.createInjector(Guice.java:78)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.inject.guice.GuiceBuilder.injector(GuiceInjectorBuilder.scala:186)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.inject.guice.GuiceApplicationBuilder.build(GuiceApplicationBuilder.scala:139)
Jun 20 05:51:06 localhost cerebro[4237]: at play.api.inject.guice.GuiceApplicationLoader.load(GuiceApplicationLoader.scala:21)
Jun 20 05:51:06 localhost cerebro[4237]: at play.core.server.ProdServerStart$.start(ProdServerStart.scala:57)
Jun 20 05:51:06 localhost cerebro[4237]: at play.core.server.ProdServerStart$.main(ProdServerStart.scala:29)
Jun 20 05:51:06 localhost cerebro[4237]: at play.core.server.ProdServerStart.main(ProdServerStart.scala)
Jun 20 05:51:06 localhost cerebro[4237]: Caused by: java.sql.SQLException: opening db: './cerebro.db': Permission denied
Jun 20 05:51:06 localhost cerebro[4237]: at org.sqlite.core.CoreConnection.open(CoreConnection.java:203)
Jun 20 05:51:06 localhost cerebro[4237]: at org.sqlite.core.CoreConnection.<init>(CoreConnection.java:76)
Jun 20 05:51:06 localhost cerebro[4237]: at org.sqlite.jdbc3.JDBC3Connection.<init>(JDBC3Connection.java:25)
Jun 20 05:51:06 localhost cerebro[4237]: at org.sqlite.jdbc4.JDBC4Connection.<init>(JDBC4Connection.java:24)
Jun 20 05:51:06 localhost cerebro[4237]: at org.sqlite.SQLiteConnection.<init>(SQLiteConnection.java:45)
Jun 20 05:51:06 localhost cerebro[4237]: at org.sqlite.JDBC.createConnection(JDBC.java:114)
Jun 20 05:51:06 localhost cerebro[4237]: at org.sqlite.JDBC.connect(JDBC.java:88)
Jun 20 05:51:06 localhost cerebro[4237]: at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:119)
Jun 20 05:51:06 localhost cerebro[4237]: at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:369)
Jun 20 05:51:06 localhost cerebro[4237]: at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:198)
Jun 20 05:51:06 localhost cerebro[4237]: at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:467)
Jun 20 05:51:06 localhost cerebro[4237]: at com.zaxxer.hikari.pool.HikariPool.access$100(HikariPool.java:71)
Jun 20 05:51:06 localhost cerebro[4237]: at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:706)
Jun 20 05:51:06 localhost cerebro[4237]: at com.zaxxer.hikari.pool.HikariPool$PoolEntryCreator.call(HikariPool.java:692)
Jun 20 05:51:06 localhost cerebro[4237]: at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
Jun 20 05:51:06 localhost cerebro[4237]: at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
Jun 20 05:51:06 localhost cerebro[4237]: at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
Jun 20 05:51:06 localhost cerebro[4237]: at java.base/java.lang.Thread.run(Thread.java:835)
Jun 20 05:51:06 localhost systemd[1]: cerebro.service: main process exited, code=exited, status=255/n/a
The service fails to start because it cannot write the databse to /usr/share/cerebro/. I fixed this by running chown cerebro:cerebro /usr/share/cerebr. In my opinion, the default permissions of root:root for this directory are a bad idea. Also you could consider switching the homedir for the user from /home/cerebro to /usr/share/cerebro/
Hi, I noticed an error after the installation:
The service fails to start because it cannot write the databse to
/usr/share/cerebro/
. I fixed this by runningchown cerebro:cerebro /usr/share/cerebr
. In my opinion, the default permissions ofroot:root
for this directory are a bad idea. Also you could consider switching the homedir for the user from/home/cerebro
to/usr/share/cerebro/