Troubleshooting
Problem 1: An Error Is Reported When Running CMake
Symptom:
"Error in <TInterpreter::InspectMembers>: TClass and cling disagree on the size of the class TBaseClass" is displayed when running CMake.
Possible Causes:
The GNU version is incorrect.
Procedure:
Check whether the GNU version matches the compilation environment and whether the /usr/local/lib library is correct. For details, see 5 and 4.
Problem 2: An Error is Reported When Running runProof
Symptom:
"SysError in <TUnixSystem::UnixTcpConnect>: connect (localhost:40000) (Connection refused)" is displayed when running runProof("simple(nevt=10000000000000000,nhist=100)").
Possible Causes:
You do not need to start the xproofd daemon the runProof is run on a local server.
Procedure:
Add the lite:// parameter when running runProof. For details, see 8.
Parent topic: ROOT 6.20 Porting Guide (CentOS 7.6)