OceanBase数据库中，ocp 4.3 添加主机报错 ，为什么？

OceanBase数据库中，ocp 4.3 添加主机报错 ，为什么？
2024-06-04 11:56:31.644 ERROR 2286 --- [pool-manual-subtask-executor16,532190242cf444cf,a79e827f2177] c.o.o.c.t.e.c.w.subtask.SubtaskExecutor : argument 'request' can't be empty!

java.lang.IllegalArgumentException: argument 'request' can't be empty!
at org.apache.commons.lang3.Validate.notEmpty(Validate.java:296)
at com.oceanbase.ocp.executor.internal.util.ValidateUtils.requireNotEmpty(ValidateUtils.java:41)
at com.oceanbase.ocp.executor.executor.SshExecutor.removeFiles(SshExecutor.java:332)
at com.oceanbase.ocp.service.compute.AgentInstallationTaskService.removeAgentFiles(AgentInstallationTaskService.java:151)
at com.oceanbase.ocp.service.compute.AgentInstallationTaskService$$FastClassBySpringCGLIB$$f7a6037f.invoke()
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)
at org.springframework.aop.framework.CglibAopProxy.invokeMethod(CglibAopProxy.java:386)
at org.springframework.aop.framework.CglibAopProxy.access$000(CglibAopProxy.java:85)
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:704)
at com.oceanbase.ocp.service.compute.AgentInstallationTaskService$$EnhancerBySpringCGLIB$$78433552.removeAgentFiles()
at com.oceanbase.ocp.service.task.business.host.UninstallLegacyOcpAgentTask.run(UninstallLegacyOcpAgentTask.java:49)
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:203)
at com.oceanbase.ocp.core.task.engine.coordinator.worker.subtask.SubtaskExecutor.redirectConsoleOutput(SubtaskExecutor.java:197)
at com.oceanbase.ocp.core.task.engine.coordinator.worker.subtask.
SubtaskExecutor.lambda$submit$2(SubtaskExecutor.java:134)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)

Set state for subtask: 1001, operation:EXECUTE, state: FAILED