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Dear experts, running paraview with –multi-servers option generates a fatal error if user opens a file, after disconnecting from a server.

The issue can be reproduced as follows:

• in a terminal, start pvserver

• in a second terminal, type: paraview --multi-servers

• in the main menu bar, click on connect and connect to server

• in the pipeline, select the server and click on disconnect

• in the main menu bar, select File - Open

  ==> Paraview crash.

Digging this out, it seems that in method pqLoadDataReaction::loadData(), pqServer server = pqActiveObjects::instance().activeServer();* returns NULL which leads to the crash.

Replacing :

pqServer* server = pqActiveObjects::instance().activeServer()

with :

pqServer* server = pqApplicationCore::instance()->getActiveServer()

seems to fix the issue which can be reproduced with Paraview 5.9 Thanks.