versuche ich nodetool
gegen unsere Cassandra Produktionsdatenbank zu verwenden. Aber ich erhalte eine Ausnahme, sobald ich versuche, nodetool gegen den Cassandra-Produktionscluster von meinem lokalen Rechner aus zu starten.Fehler beim Verbinden mit dem Remote-JMX-Agenten! Beim Start von Nodetool
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
Kann mir jemand einige Gedanken geben, warum ich diese Ausnahme sehe? Jede Hilfe wird geschätzt.
Vergewissern Sie sich, dass die JMX-Port – Schildmeijer
lesen http://wiki.apache.org/cassandra/JmxGotchas – Schildmeijer