在Samba 4.11.6-Ubuntu中使用Jcifs库，出现连接问题

编程问答 2022-06-11

问题描述

有我的代码。

        jcifs.Config.setProperty("jcifs.smb.client.enableSMB2","true");
    jcifs.Config.setProperty("jcifs.smb.client.disableSMB1","true");
    jcifs.Config.setProperty("jcifs.smb.client.useSMB2Negotiation","true");
    jcifs.Config.setProperty("jcifs.smb.client.ipcsigningEnforced","false");
    jcifs.Config.setProperty("jcifs.smb.client.maxVersion","SMB3");
    jcifs.Config.setProperty("jcifs.smb.client.minVersion","SMB202");
    jcifs.Config.setProperty("jcifs.smb.client.port139.enabled","true");
    jcifs.Config.setProperty("jcifs.smb.client.enableSMB2","true");

    ArrayList<NetWorkScanner.serverBean> servers = mNetWorkScanner.getServers();

    Log.i(TAG,"mNetWorkScanner : " + servers);
    Log.i(TAG,"mNetWorkScanner len : " + servers.size());
    if(servers != null && servers.size() > 0) {
        new Thread(new Runnable() {
            @Override
            public void run() {
                for(NetWorkScanner.serverBean info : servers) {
                    try {
                        final String url = "smb://" + info.serverIp + "/share";
                        if(info.serverIp.equals("192.168.0.9")) continue;
                        SmbFile temp = new SmbFile(url);
                        try{
                            Log.i(TAG,"temp.list() : " + temp.listFiles());
                            Log.i(TAG,"temp.getDfsPath() : " + temp.getDfsPath());
                        } catch( SmbException sbex ) {
                            Log.i(TAG,"error sbex : " + sbex);
                            throw new Error(sbex);
                        }
                    } catch( MalformedURLException ex ) {
                        Log.i(TAG,"error ex : " + ex);
                   } 
                }
            }  
        }).start();
    }

而且，有错误日志。

2020-09-28 09:38:52.121 5224-6765/com.android.tv.settings E/AndroidRuntime: FATAL EXCEPTION: Thread-261
Process: com.android.tv.settings,PID: 5224
java.lang.Error: jcifs.smb.SmbException: Failed to connect: 0.0.0.0<00>/192.168.0.2
jcifs.util.transport.TransportException
jcifs.smb.SmbException: This client does not support the negotiated dialect.
    at jcifs.smb.SmbTransport.doConnect(SmbTransport.java:329)
    at jcifs.util.transport.Transport.run(Transport.java:241)
    at java.lang.Thread.run(Thread.java:764)

    at jcifs.util.transport.Transport.run(Transport.java:258)
    at java.lang.Thread.run(Thread.java:764)

    at com.android.tv.settings.device.networkstorage.AvailableNetworkStorageFragment$1.run(AvailableNetworkStorageFragment.java:96)
    at java.lang.Thread.run(Thread.java:764)
 Caused by: jcifs.smb.SmbException: Failed to connect: 0.0.0.0<00>/192.168.0.2
jcifs.util.transport.TransportException
jcifs.smb.SmbException: This client does not support the negotiated dialect.
    at jcifs.smb.SmbTransport.doConnect(SmbTransport.java:329)
    at jcifs.util.transport.Transport.run(Transport.java:241)
    at java.lang.Thread.run(Thread.java:764)

    at jcifs.util.transport.Transport.run(Transport.java:258)
    at java.lang.Thread.run(Thread.java:764)

    at jcifs.smb.SmbTransport.connect(SmbTransport.java:309)
    at jcifs.smb.SmbTree.treeConnect(SmbTree.java:156)
    at jcifs.smb.SmbFile.doConnect(SmbFile.java:911)
    at jcifs.smb.SmbFile.connect(SmbFile.java:957)
    at jcifs.smb.SmbFile.connect0(SmbFile.java:880)
    at jcifs.smb.SmbFile.getType(SmbFile.java:1285)
    at jcifs.smb.SmbFile.doEnum(SmbFile.java:1736)
    at jcifs.smb.SmbFile.listFiles(SmbFile.java:1718)
    at jcifs.smb.SmbFile.listFiles(SmbFile.java:1651)
    at com.android.tv.settings.device.networkstorage.AvailableNetworkStorageFragment$1.run(AvailableNetworkStorageFragment.java:90)

我想使用本地网络上运行samba的IP地址获取共享目录名称。 但是，我认为samba和jcifs库之间的连接有问题！ 我在Ubuntu 20.0.4中使用Samba：4.11.6-Ubuntu和在Android中将jcifs-1.3.19.jar转换为本地静态库。请帮忙。

解决方法

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