这不是一个点击应如何连接到使用Ektorp托管Cloudant数据库连接到Cloudant DB。我在Eclipse中通过新的Maven m2eclipse集成(这是非常甜)使用EKTORP 1.1。我正在努力寻找除javadoc之外的良好CouchDB/Cloudant/Ektorp文档。的UnknownHostException尝试通过EKTORP
我试图从他们的main page工作得到样品EKTORP API例如:
HttpClient httpClient = new StdHttpClient.Builder()
.host("localhost")
.port(5984)
.build();
CouchDbInstance dbInstance = new StdCouchDbInstance(httpClient);
CouchDbConnector db = new StdCouchDbConnector("mydatabase", dbInstance);
db.createDatabaseIfNotExists();
不要紧,我用它来构建HttpClient的使用,我总是得到下面的UnknownHostException错误。我试过这些URL主机:HTTPS/HTTP://cloudant.com/db/_session和HTTPS/HTTP:// [用户名] .cloudant.com
什么端口号?用户名和密码是否应包含在StdHttpClient.Builder()中?
下面是完整的错误 - 它的失败在createDatabaseIfNotExists()调用,但我不自信CouchDbConnector变量是正确的。
Exception in thread "main" org.ektorp.DbAccessException: java.net.UnknownHostException: https://cloudant.com/db/_session
at org.ektorp.util.Exceptions.propagate(Exceptions.java:19)
at org.ektorp.http.StdHttpClient.executeRequest(StdHttpClient.java:104)
at org.ektorp.http.StdHttpClient.get(StdHttpClient.java:42)
at org.ektorp.http.RestTemplate.get(RestTemplate.java:21)
at org.ektorp.impl.StdCouchDbInstance.getAllDatabases(StdCouchDbInstance.java:61)
at org.ektorp.impl.StdCouchDbConnector.createDatabaseIfNotExists(StdCouchDbConnector.java:256)
at com.codegouge.examples.App.main(App.java:30)
Caused by: java.net.UnknownHostException: https://cloudant.com/db/_session
at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
at java.net.InetAddress$1.lookupAllHostAddr(InetAddress.java:850)
at java.net.InetAddress.getAddressFromNameService(InetAddress.java:1201)
at java.net.InetAddress.getAllByName0(InetAddress.java:1154)
at java.net.InetAddress.getAllByName(InetAddress.java:1084)
at java.net.InetAddress.getAllByName(InetAddress.java:1020)
at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:126)
at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:149)
at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:108)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:415)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:641)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:576)
at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:554)
at org.ektorp.http.StdHttpClient.executeRequest(StdHttpClient.java:96)
感谢马特。从主机中删除“http/s”使我能够通过端口5984连接并成功执行createDatabaseIfNotExists()调用。但是,使用端口443抛出java.net.SocketException。我必须想象Ektorp可以处理HTTPS。我会继续寻找。干杯! – Ryan 2011-04-23 15:35:03
所以我意识到我需要在构建我的HttpClient时包含“.enableSSL(true)”和“.relaxedSSLSettings(true)”,但现在我得到一个IllegalStateException。 – Ryan 2011-04-23 16:18:56
@Ryan好吧,至少进展。 :)是的,那些看起来像正确的方法来调用。 Ektorp站点仍然指向1.0.2 javadoc,所以我没有注意到它们(SSL支持在1.1中似乎是新的)。如果您能够更新您的问题以包含可能有用的异常堆栈跟踪。 – 2011-04-23 17:46:36