com.oceanbase.ocp.core.exception.UnexpectedException: [OCP UnexpectedException]: status=500 INTERNAL_SERVER_ERROR, errorCode=BACKUP_START_DATA_BACKUP_FAILED, args=data backup pre-check failed, log backup not started
	at com.oceanbase.ocp.backup.internal.operation.PhysicalBackupTaskService.waitLogBackupStarted(PhysicalBackupTaskService.java:193)
	at com.oceanbase.ocp.backup.internal.task.schedule.StartLogBackupTask.run(StartLogBackupTask.java:48)
	at com.oceanbase.ocp.core.task.engine.runner.JavaSubtaskRunner.execute(JavaSubtaskRunner.java:64)
	at com.oceanbase.ocp.core.task.engine.runner.JavaSubtaskRunner.doRun(JavaSubtaskRunner.java:32)
	at com.oceanbase.ocp.core.task.engine.runner.JavaSubtaskRunner.run(JavaSubtaskRunner.java:26)
	at com.oceanbase.ocp.core.task.engine.runner.RunnerFactory.doRun(RunnerFactory.java:76)
	at com.oceanbase.ocp.core.task.engine.coordinator.worker.subtask.SubtaskExecutor.doRun(SubtaskExecutor.java:206)
	at com.oceanbase.ocp.core.task.engine.coordinator.worker.subtask.SubtaskExecutor.redirectConsoleOutput(SubtaskExecutor.java:200)
	at com.oceanbase.ocp.core.task.engine.coordinator.worker.subtask.SubtaskExecutor.lambda$submit$2(SubtaskExecutor.java:137)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:750)


Set state for subtask: 3000256, operation:EXECUTE, state: FAILED