Cannot acquire connection on many "refresh"

[manodupont]

When i try to refresh my application running on sbt, it seems like the connection pool is not releasing connections.

Here is the error

[debug] com.zaxxer.hikari.pool.HikariPool - Cannot acquire connection from data source
org.postgresql.util.PSQLException: The connection attempt failed.
	at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:292)
	at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:49)
	at org.postgresql.jdbc.PgConnection.<init>(PgConnection.java:195)
	at org.postgresql.Driver.makeConnection(Driver.java:454)
	at org.postgresql.Driver.connect(Driver.java:256)
	at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:117)
	at com.zaxxer.hikari.util.DriverDataSource.getConnection(DriverDataSource.java:123)
	at com.zaxxer.hikari.pool.PoolBase.newConnection(PoolBase.java:365)
	at com.zaxxer.hikari.pool.PoolBase.newPoolEntry(PoolBase.java:194)
	at com.zaxxer.hikari.pool.HikariPool.createPoolEntry(HikariPool.java:460)
Caused by: java.net.SocketException: Bad file descriptor (Write failed)
	at java.net.SocketOutputStream.socketWrite0(Native Method)
	at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:111)
	at java.net.SocketOutputStream.write(SocketOutputStream.java:155)
	at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
	at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
	at org.postgresql.core.PGStream.flush(PGStream.java:527)
	at org.postgresql.core.v3.ConnectionFactoryImpl.sendStartupPacket(ConnectionFactoryImpl.java:480)
	at org.postgresql.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:138)
	at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:192)
	at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:49)

The config we use is this :

  profile = "utils.MyPostgresProfile$"
  db {
    url = "jdbc:postgresql://localhost:5432/<dbname>?currentSchema=app&loggerLevel=TRACE&loggerFile=./log_pgsql.log&connectTimeout=3&socketTimeout=5&tcpKeepAlive=true&sslmode=disable&ssl=false&"
    properties.driver = "org.postgresql.Driver"
    user = <myuser>
    password = <mypassword>
    poolName = <mypoolname>
    registerMbeans = false
    connectionTimeout = 10s
    connectionInitSql = "SELECT 1"
    connectionTestQuery = "SELECT 1"
    validationTimeout = 5000
    idleTimeout = 300000
    maxLifetime = 50000
    minimumIdle = 10
    leakDetectionThreshold=2000
    maximumPoolSize = 25
    initializationFailTimeout = 0
  }
}

which is then taken under by Hikari and it looks like this

[warn] com.zaxxer.hikari.HikariConfig - The initializationFailFast propery is deprecated, see initializationFailTimeout
[warn] com.zaxxer.hikari.HikariConfig - app - idleTimeout is close to or more than maxLifetime, disabling it.
[debug] com.zaxxer.hikari.HikariConfig - app - configuration:
[debug] com.zaxxer.hikari.HikariConfig - allowPoolSuspension.............false
[debug] com.zaxxer.hikari.HikariConfig - autoCommit......................true
[debug] com.zaxxer.hikari.HikariConfig - catalog.........................none
[debug] com.zaxxer.hikari.HikariConfig - connectionInitSql..............."SELECT 1"
[debug] com.zaxxer.hikari.HikariConfig - connectionTestQuery............."SELECT 1"
[debug] com.zaxxer.hikari.HikariConfig - connectionTimeout...............10000
[debug] com.zaxxer.hikari.HikariConfig - dataSource......................none
[debug] com.zaxxer.hikari.HikariConfig - dataSourceClassName.............none
[debug] com.zaxxer.hikari.HikariConfig - dataSourceJNDI..................none
[debug] com.zaxxer.hikari.HikariConfig - dataSourceProperties............{password=<masked>, driver=org.postgresql.Driver}
[debug] com.zaxxer.hikari.HikariConfig - driverClassName.................none
[debug] com.zaxxer.hikari.HikariConfig - healthCheckProperties...........{}
[debug] com.zaxxer.hikari.HikariConfig - healthCheckRegistry.............none
[debug] com.zaxxer.hikari.HikariConfig - idleTimeout.....................0
[debug] com.zaxxer.hikari.HikariConfig - initializationFailFast..........false
[debug] com.zaxxer.hikari.HikariConfig - initializationFailTimeout.......-1
[debug] com.zaxxer.hikari.HikariConfig - isolateInternalQueries..........false
[debug] com.zaxxer.hikari.HikariConfig - jdbc4ConnectionTest.............false
[debug] com.zaxxer.hikari.HikariConfig - jdbcUrl.........................jdbc:postgresql://localhost:5432/<mydbname>?currentSchema=app&loggerLevel=TRACE&loggerFile=./log_pgsql.log&connectTimeout=3&socketTimeout=5&tcpKeepAlive=true&sslmode=disable&ssl=false&
[debug] com.zaxxer.hikari.HikariConfig - leakDetectionThreshold..........2000
[debug] com.zaxxer.hikari.HikariConfig - maxLifetime.....................50000
[debug] com.zaxxer.hikari.HikariConfig - maximumPoolSize.................100
[debug] com.zaxxer.hikari.HikariConfig - metricRegistry..................none
[debug] com.zaxxer.hikari.HikariConfig - metricsTrackerFactory...........none
[debug] com.zaxxer.hikari.HikariConfig - minimumIdle.....................20
[debug] com.zaxxer.hikari.HikariConfig - password........................<masked>
[debug] com.zaxxer.hikari.HikariConfig - poolName........................<mypoolname>
[debug] com.zaxxer.hikari.HikariConfig - readOnly........................false
[debug] com.zaxxer.hikari.HikariConfig - registerMbeans..................false
[debug] com.zaxxer.hikari.HikariConfig - scheduledExecutor...............none
[debug] com.zaxxer.hikari.HikariConfig - scheduledExecutorService........internal
[debug] com.zaxxer.hikari.HikariConfig - schema..........................none
[debug] com.zaxxer.hikari.HikariConfig - threadFactory...................internal
[debug] com.zaxxer.hikari.HikariConfig - transactionIsolation............default
[debug] com.zaxxer.hikari.HikariConfig - username........................<myuser>
[debug] com.zaxxer.hikari.HikariConfig - validationTimeout...............5000

And its always, always happening after 5 refresh. No matter what I set in maxConnections, numThreads, etc etc etc.

Any idea ?!