panic in the disttask/framework/scheduler.(*Manager).startScheduler #49941
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panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x678e332]
goroutine 39534 [running]:
github.com/pingcap/tidb/pkg/disttask/framework/scheduler.(*Manager).startScheduler(0xc00832c360, 0xc00953bee0, {0x0, 0x0})
pkg/disttask/framework/scheduler/scheduler_manager.go:267 +0x232
github.com/pingcap/tidb/pkg/disttask/framework/scheduler.(*Manager).scheduleTaskLoop(0xc00832c360)
pkg/disttask/framework/scheduler/scheduler_manager.go:219 +0x10ba
github.com/pingcap/tidb/pkg/util.(*WaitGroupWrapper).Run.func1()
pkg/util/wait_group_wrapper.go:157 +0x59
created by github.com/pingcap/tidb/pkg/util.(*WaitGroupWrapper).Run in goroutine 36840
pkg/util/wait_group_wrapper.go:155 +0x7c
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