Imc dbman 自动，手动备份失败

自动，手动备份都失败，文件中内容为空

2022-12-23 09:57:26 [INFO ] [AWT-EventQueue-0] [com.h3c.imc.deploy.dma.DBManConfiguration::saveDbmanConfig(1213)] saveDbmanConfig()：success end  

2022-12-23 09:57:26 [INFO ] [SwingWorker-pool-2-thread-5] [com.h3c.imc.deploy.dma.DBManConfiguration$ValidateDbmanWorkingDialog::doWork(6137)] sCode: 10000 

2022-12-23 09:57:26 [INFO ] [SwingWorker-pool-2-thread-5] [com.h3c.imc.deploy.dma.DBManConfiguration$ValidateDbmanWorkingDialog::doWork(6138)] encryptedCode: UfIuzjUNX6eG2HYdswAsww== 

2022-12-23 09:57:26 [INFO ] [SwingWorker-pool-2-thread-5] [com.h3c.imc.deploy.dma.DBManConfiguration$ValidateDbmanWorkingDialog::doWork(6139)] encryptedCode.length(): 24 

2022-12-23 09:57:30 [INFO ] [AWT-EventQueue-0] [com.h3c.imc.deploy.dma.DBManConfiguration::checkPathInNoAuth(2124)] path.getCanonicalPath(): /root 2022-12-23 09:57:30 [INFO ] [AWT-EventQueue-0] [com.h3c.imc.deploy.dma.DBManConfiguration::checkPathInNoAuth(2126)] NoAuth.getCanonicalPath(): /opt/iMC/client/web/apps/imc/noAuth 

2022-12-23 09:57:49 [ERROR] [SwingWorker-pool-2-thread-6] [com.h3c.imc.deploy.dma.DBManConfiguration$DBBackupWorkingDialog::doWork(6313)] Backup database failed 

java.nio.BufferUnderflowException: null 

 at java.nio.Buffer.nextGetIndex(Buffer.java:651) ~[?:?] 

 at java.nio.DirectByteBuffer.getInt(DirectByteBuffer.java:750) ~[?:?] 

at com.h3c.imc.deploy.dma.DBManConfiguration$DBBackupWorkingDialog.doWork(DBManConfiguration.java:6294) [deploy.jar:?]

at com.h3c.imc.deploy.dma.DBManConfiguration$DBBackupWorkingDialog.doWork(DBManConfiguration.java:6208) [deploy.jar:?]

at com.h3c.imc.deploy.wizard.WorkingDialog$ProgressWorker.doInBackground(WorkingDialog.java:282) [deploy.jar:?] 

at javax.swing.SwingWorker$1.call(SwingWorker.java:304) [?:?] at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?] 

at javax.swing.SwingWorker.run(SwingWorker.java:343) [?:?]

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?] 

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?] 

at java.lang.Thread.run(Thread.java:829) [?:?]