我使用MiniAccumuloCluster(MAC)1.5罐子並試圖哪怕只是實例化一個MAC對象,但似乎無法連接到它。我得到一噸的錯誤類似於以下內容:Accumulo - MiniAccumuloCluster連接被拒絕
13/07/08 14:31:29 INFO zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:14060
13/07/08 14:31:29 WARN zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect
java.net.ConnectException: Connection refused
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:692)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1143)
而且具有以下錯誤結束:
Exception in thread "main" java.lang.RuntimeException: Failed to connect to zookeeper (localhost:14060) within 2x zookeeper timeout period 30000
at org.apache.accumulo.fate.zookeeper.ZooSession.connect(ZooSession.java:96)
at org.apache.accumulo.fate.zookeeper.ZooSession.getSession(ZooSession.java:146)
at org.apache.accumulo.fate.zookeeper.ZooReader.getSession(ZooReader.java:36)
at org.apache.accumulo.fate.zookeeper.ZooReader.getZooKeeper(ZooReader.java:40)
at org.apache.accumulo.fate.zookeeper.ZooCache.getZooKeeper(ZooCache.java:56)
at org.apache.accumulo.fate.zookeeper.ZooCache.retry(ZooCache.java:127)
at org.apache.accumulo.fate.zookeeper.ZooCache.get(ZooCache.java:233)
at org.apache.accumulo.fate.zookeeper.ZooCache.get(ZooCache.java:188)
at org.apache.accumulo.core.client.ZooKeeperInstance.getInstanceID(ZooKeeperInstance.java:143)
at org.apache.accumulo.core.client.ZooKeeperInstance.<init>(ZooKeeperInstance.java:104)
at org.apache.accumulo.core.client.ZooKeeperInstance.<init>(ZooKeeperInstance.java:85)
at Accumulo.Accumulo.connectToMiniCluster(Accumulo.java:454)
at Accumulo.Accumulo.<init>(Accumulo.java:140)
at Accumulo.FrontEnd.main(FrontEnd.java:56)
Accumulo.Accumulo.connectoToMiniCluster(線454)是:
Instance inst = new ZooKeeperInstance(mac.getInstanceName(), mac.getZooKeepers());
有什麼建議麼?互聯網對許多Accumulo框架(包括MAC)缺乏文檔記錄。
我沒有調用start()創建我的實例之前,但經過。 – Mastergeek
如果你說在瓶子中添加固定你的問題,那就這樣吧。但是,鑑於您的堆棧跟蹤,您在ZooKeeperInstance的構造函數中被阻止,因爲您沒有啓動MiniAccumuloCluster實例。 – elserj
我發現我的Junit3規則並不完全正確,因此沒有爲臨時文件夾創建MiniAccumuloCluster對象實例的File對象。 – Mastergeek