Pool size must be set


The customer was asking the meaning of this error:

Caused by: java.lang.IllegalArgumentException: Pool size must be set and > 0

These error details are shown in development mode. to switch it off, change the operatingMode in the config file.

operatingMode = production


The development environment was installed on a one core machine and this environment does not fit the minimal configuration as defined in our documentation :

Suggested Min. Development Configuration:

  • Dual Core 2GHz or +
  • 2 GB RAM
  • 5 GB HDD