我正在尝试使用nodetool
我们的 Cassandra 生产数据库。但是,一旦我尝试从本地机器上针对 Cassandra 生产集群启动 nodetool,我就会遇到异常。
S:\Apache Cassandra\apache-cassandra-1.2.3\bin>nodetool -h pdb.vip.phx.host.com compactionstats
Starting NodeTool
Error connecting to remote JMX agent!
java.io.IOException: Failed to retrieve RMIServer stub: javax.naming.CommunicationException [Root exception is java.rmi.ConnectIOException: error duri
ng JRMP connection establishment; nested exception is:
java.net.SocketTimeoutException: Read timed out]
at javax.management.remote.rmi.RMIConnector.connect(Unknown Source)
at javax.management.remote.JMXConnectorFactory.connect(Unknown Source)
at org.apache.cassandra.tools.NodeProbe.connect(NodeProbe.java:145)
at org.apache.cassandra.tools.NodeProbe.<init>(NodeProbe.java:115)
at org.apache.cassandra.tools.NodeCmd.main(NodeCmd.java:966)
Caused by: javax.naming.CommunicationException [Root exception is java.rmi.ConnectIOException: error during JRMP connection establishment; nested exce
ption is:
java.net.SocketTimeoutException: Read timed out]
at com.sun.jndi.rmi.registry.RegistryContext.lookup(Unknown Source)
at com.sun.jndi.toolkit.url.GenericURLContext.lookup(Unknown Source)
at javax.naming.InitialContext.lookup(Unknown Source)
at javax.management.remote.rmi.RMIConnector.findRMIServerJNDI(Unknown Source)
at javax.management.remote.rmi.RMIConnector.findRMIServer(Unknown Source)
... 5 more
Caused by: java.rmi.ConnectIOException: error during JRMP connection establishment; nested exception is:
java.net.SocketTimeoutException: Read timed out
at sun.rmi.transport.tcp.TCPChannel.createConnection(Unknown Source)
at sun.rmi.transport.tcp.TCPChannel.newConnection(Unknown Source)
at sun.rmi.server.UnicastRef.newCall(Unknown Source)
at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
... 10 more
Caused by: java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(Unknown Source)
at java.io.BufferedInputStream.fill(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
at java.io.DataInputStream.readByte(Unknown Source)
... 14 more
谁能提供一些想法,为什么我会看到这个异常?任何帮助将不胜感激。