Hi, when I tried "bin/hadoop jar hadoop-0.14.2-examples.jar grep input output 'dfs[a-z.]+'", I received: "put: java.io.IOException: Failed to create file /user/dx1908/input/hadoop-default.xml on client 127.0.0.1 because this cluster has no datanodes." Anyway, I tried to send my logs directory but the mail server rejected. Therefore, I only copy hadoop-datanote.log here: 2007-10-23 20:37:11,356 INFO org.apache.hadoop.dfs.DataNode: STARTUP_MSG: /************************************************************ STARTUP_MSG: Starting DataNode STARTUP_MSG: host = lab314pc1/127.0.0.1 STARTUP_MSG: args = [] ************************************************************/ 2007-10-23 20:37:11,609 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: Initializing JVM Metrics with processName=DataNode, sessionId=null 2007-10-23 20:37:11,955 ERROR org.apache.hadoop.dfs.DataNode: org.apache.hadoop.ipc.RemoteException: java.io.IOException: java.lang.ClassFormatError: Illegal class modifiers in class org/apache/hadoop/package-info: 0x1600 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:620) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124) at java.net.URLClassLoader.defineClass(URLClassLoader.java:260) at java.net.URLClassLoader.access$100(URLClassLoader.java:56) at java.net.URLClassLoader$1.run(URLClassLoader.java:195) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:242) at java.lang.Package.getPackageInfo(Package.java:350) at java.lang.Package.getAnnotation(Package.java:361) at org.apache.hadoop.util.VersionInfo.<clinit>(VersionInfo.java:33) at org.apache.hadoop.dfs.Storage.getBuildVersion(Storage.java:525) at org.apache.hadoop.dfs.NamespaceInfo.<init>(NamespaceInfo.java:46) at org.apache.hadoop.dfs.FSNamesystem.getNamespaceInfo(FSNamesystem.java:323) at org.apache.hadoop.dfs.NameNode.versionRequest(NameNode.java:684) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:340) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:566) at org.apache.hadoop.ipc.Client.call(Client.java:470) at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:165) at org.apache.hadoop.dfs.$Proxy0.versionRequest(Unknown Source) at org.apache.hadoop.dfs.DataNode.handshake(DataNode.java:294) at org.apache.hadoop.dfs.DataNode.startDataNode(DataNode.java:238) at org.apache.hadoop.dfs.DataNode.<init>(DataNode.java:206) at org.apache.hadoop.dfs.DataNode.makeInstance(DataNode.java:1391) at org.apache.hadoop.dfs.DataNode.run(DataNode.java:1335) at org.apache.hadoop.dfs.DataNode.createDataNode(DataNode.java:1356) at org.apache.hadoop.dfs.DataNode.main(DataNode.java:1525) 2007-10-23 20:37:11,959 INFO org.apache.hadoop.dfs.DataNode: SHUTDOWN_MSG: /************************************************************ SHUTDOWN_MSG: Shutting down DataNode at lab314pc1/127.0.0.1 ************************************************************/ T
edward yoon <[EMAIL PROTECTED]> wrote: If you show me your log, i can pinpoint your problem pretty quickly. ---- B. Regards, Edward yoon (Assistant Manager/R&D Center/NHN, corp.) +82-31-600-6183, +82-10-7149-7856 http://www.udanax.org > Date: Tue, 23 Oct 2007 13:19:21 -0700 > From: [EMAIL PROTECTED] > Subject: Does Hadoop work with Network File Systems? > To: [email protected] > > Hi, > I am new to Hadoop. I downloaded and unzipped Hadoop to NFS (not in > administrator's role). When I tried to run it using distributed > configuration, it showed: "... no datanotes" although I put some host in the > slaves file. > Thanks > T > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com _________________________________________________________________ Boo! Scare away worms, viruses and so much more! Try Windows Live OneCare! http://onecare.live.com/standard/en-us/purchase/trial.aspx?s_cid=wl_hotmailnews __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
