No suitable generator found!

[abhas-19]

Upon following the epic tutorial https://eic.github.io/tutorial-jana2/03-end-user-plugin/index.html, I'm encountering the following error with nothing being produced as output in eicrecon.root file.

Exception: Unable to open event source "2022-09-26_ncdis10x100_minq2-1_100ev.edm4hep.root": No suitable generator found!
Backtrace:

   `- JComponentManager::resolve_event_sources() (0x7f65a7c4d31d)
    `- JApplication::Initialize() (0x7f65a7c01a44)
     `- JApplication::Run(bool) (0x7f65a7c03071)
      `- jana::Execute(JApplication*, jana::UserOptions&) (0x56488f994d7a)
       `- eicrecon (0x56488f98ec83)
        `- /lib/x86_64-linux-gnu/libc.so.6 (0x7f65a5a2224a)
         `- __libc_start_main (0x7f65a5a22305)
          `- eicrecon (0x56488f98eae1)

[simonge]

This is a problem with an outdated tutorial rather than an EICrecon issue. You can follow the instructions to locate and download a more recent file from here:
https://eic.github.io/tutorial-analysis/setup.html
or check whether any of the more recent tutorials meet your learning requirements more closely.
It is worth creating an issue highlighting this problem on the tutorial github repository:
https://github.com/eic/tutorial-jana2

[simonge]

Although eicrecon could probably exit more elegantly on this error