使用JCIFS上傳文件至NAS設備(NETAPP FAS3140)

知識點：

1、安全認證方式

問題

jcifs.smb.SmbAuthException: Logon failure: unknown user name or bad password.

at jcifs.smb.SmbTransport.checkStatus(SmbTransport.java:596)

at jcifs.smb.SmbTransport.send(SmbTransport.java:722)

at jcifs.smb.SmbSession.sessionSetup(SmbSession.java:354)

at jcifs.smb.SmbSession.send(SmbSession.java:239)

at jcifs.smb.SmbTree.treeConnect(SmbTree.java:176)

at jcifs.smb.SmbFile.doConnect(SmbFile.java:925)

at jcifs.smb.SmbFile.connect(SmbFile.java:974)

at jcifs.smb.SmbFile.connect0(SmbFile.java:890)

at jcifs.smb.SmbFile.queryPath(SmbFile.java:1355)

at jcifs.smb.SmbFile.exists(SmbFile.java:1437)

at com.indigopacific.customagent.tool.FileUtil.IsFileExist(FileUtil.java:301)

at com.indigopacific.customagent.UploadAndUpdatePdfUseJcifsAgent.ePolicyIsExist(UploadAndUpdatePdfUseJcifsAgent.java:312)

at com.indigopacific.customagent.UploadAndUpdatePdfUseJcifsAgent.execute(UploadAndUpdatePdfUseJcifsAgent.java:61)

at com.indigopacific.customagent.test.Test.main(Test.java:32)

jcifs.smb.SmbAuthException: Logon failure: unknown user name or bad password.

at jcifs.smb.SmbTransport.checkStatus(SmbTransport.java:596)

at jcifs.smb.SmbTransport.send(SmbTransport.java:722)

at jcifs.smb.SmbSession.sessionSetup(SmbSession.java:354)

at jcifs.smb.SmbSession.send(SmbSession.java:239)

at jcifs.smb.SmbTree.treeConnect(SmbTree.java:176)

at jcifs.smb.SmbFile.doConnect(SmbFile.java:925)

at jcifs.smb.SmbFile.connect(SmbFile.java:974)

at jcifs.smb.SmbFile.connect0(SmbFile.java:890)

at jcifs.smb.SmbFile.queryPath(SmbFile.java:1355)

at jcifs.smb.SmbFile.exists(SmbFile.java:1437)

at com.indigopacific.customagent.tool.FileUtil.IsFileExist(FileUtil.java:301)判斷文件是否存在失敗：Logon failure: unknown user name or bad password.

at com.indigopacific.customagent.UploadAndUpdatePdfUseJcifsAgent.ePolicyIsExist(UploadAndUpdatePdfUseJcifsAgent.java:312)

at com.indigopacific.customagent.UploadAndUpdatePdfUseJcifsAgent.execute(UploadAndUpdatePdfUseJcifsAgent.java:61)

at com.indigopacific.customagent.test.Test.main(Test.java:32)

jcifs.smb.SmbAuthException: Logon failure: unknown user name or bad password.

at jcifs.smb.SmbTransport.checkStatus(SmbTransport.java:596)

at jcifs.smb.SmbTransport.send(SmbTransport.java:722)

at jcifs.smb.SmbSession.sessionSetup(SmbSession.java:354)

at jcifs.smb.SmbSession.send(SmbSession.java:239)

at jcifs.smb.SmbTree.treeConnect(SmbTree.java:176)

at jcifs.smb.SmbFile.doConnect(SmbFile.java:925)

at jcifs.smb.SmbFile.connect(SmbFile.java:974)

at jcifs.smb.SmbFile.connect0(SmbFile.java:890)

at jcifs.smb.SmbFile.queryPath(SmbFile.java:1355)

at jcifs.smb.SmbFile.exists(SmbFile.java:1437)

at com.indigopacific.customagent.tool.FileUtil.IsFileExist(FileUtil.java:301)

at com.indigopacific.customagent.UploadAndUpdatePdfUseJcifsAgent.ePolicyIsExist(UploadAndUpdatePdfUseJcifsAgent.java:312)

at com.indigopacific.customagent.UploadAndUpdatePdfUseJcifsAgent.execute(UploadAndUpdatePdfUseJcifsAgent.java:61)

at com.indigopacific.customagent.test.Test.main(Test.java:32)

java.sql.SQLException: 關閉的連接

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:208)

at oracle.jdbc.driver.PhysicalConnection.rollback(PhysicalConnection.java:1133)

at com.indigopacific.customagent.UploadAndUpdatePdfUseJcifsAgent.execute(UploadAndUpdatePdfUseJcifsAgent.java:117)

at com.indigopacific.customagent.test.Test.main(Test.java:32)

解決辦法

參考網址：https://communities.netapp.com/thread/24257

在使用JCIFS上傳前加上下面這句話

jcifs.Config.setProperty( "jcifs.smb.lmCompatibility", "2");

原因是：

NAS設備的身份認證方式為NTLM，而JCIFS默認的身份認證方式為NTLMv2.

總結

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