当您运行KvStore for Oracle NoSQL时,它使用端口5000作为数据库,5001作为管理控制台。从我的电脑,我可以访问在linux虚拟机上运行的管理控制台,如下所示:
http://192.168.0.25:5001/
192.168.0.25是我从linux机器的ifconfig命令得到的inet addr。
但是,如果我尝试从java连接数据库,那么传递java主机和端口号如下:
KVStoreConfig kvconfig = new KVStoreConfig("kvstore", "192.168.0.25:5000");
我收到以下错误:
Exception in thread "main" oracle.kv.FaultException: Could not contact any RepNode at: [192.168.0.25:5000] (11.2.2.0.26)
Fault class name: oracle.kv.KVStoreException
at oracle.kv.KVStoreFactory.getStore(KVStoreFactory.java:123)
at nosql.Test.main(Test.java:18)
Caused by: oracle.kv.KVStoreException: Could not contact any RepNode at: [192.168.0.25:5000]
at oracle.kv.impl.util.TopologyLocator.getInitialTopology(TopologyLocator.java:226)
at oracle.kv.impl.util.TopologyLocator.get(TopologyLocator.java:85)
at oracle.kv.impl.api.RequestDispatcherImpl.<init>(RequestDispatcherImpl.java:285)
at oracle.kv.KVStoreFactory.getStore(KVStoreFactory.java:118)
... 1 more
Caused by: java.rmi.UnknownHostException: Unknown host: coraythan-VirtualBox; nested exception is:
java.net.UnknownHostException: coraythan-VirtualBox
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:616)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:216)
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202)
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:128)
at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(RemoteObjectInvocationHandler.java:194)
at java.rmi.server.RemoteObjectInvocationHandler.invoke(RemoteObjectInvocationHandler.java:148)
at com.sun.proxy.$Proxy0.getSerialVersion(Unknown Source)
at oracle.kv.impl.util.registry.RemoteAPI.<init>(RemoteAPI.java:60)
at oracle.kv.impl.rep.admin.RepNodeAdminAPI.<init>(RepNodeAdminAPI.java:63)
at oracle.kv.impl.rep.admin.RepNodeAdminAPI.wrap(RepNodeAdminAPI.java:70)
at oracle.kv.impl.util.TopologyLocator.getInitialTopology(TopologyLocator.java:191)
... 4 more
Caused by: java.net.UnknownHostException: coraythan-VirtualBox
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:178)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:157)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391)
at java.net.Socket.connect(Socket.java:579)
at oracle.kv.impl.util.registry.ClientSocketFactory.createSocket(ClientSocketFactory.java:300)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613)
... 14 more
当我在普通计算机上托管KvStore并尝试使用java连接到它(使用普通计算机的IP地址)时,我可以正常工作。
另一个奇怪的事情是,如果我在虚拟机中,我可以通过以下方式访问管理员:
coraythan-virtualbox:5001
但是,如果我尝试从我的主计算机上执行此操作,它会给我一个“无法找到”的错误。
我尝试将我的java连接更改为coraythan-virtualbox:5000,但这也不起作用。
有谁知道我在这里做错了什么?谢谢!
答案 0 :(得分:2)
问题是linux计算机没有自动在我公司的网络上注册其网络名称。我必须让网络管理员手动为计算机添加网络名称。 KVStore需要使用它看起来的网络名称。
答案 1 :(得分:0)