Hallo again, I have logged the network traffic with tcpdump and the secondarynamenode connects to the namenode!?:
> 18:40:39.323920 IP 172.20.11.102.53230 > 172.20.11.101.9000: S
> 2827286710:2827286710(0) win 5840 <mss 1460,sackOK,timestamp 1045811384
> 0,nop,wscale 7>
> 18:40:39.324021 IP 172.20.11.101.9000 > 172.20.11.102.53230: S
> 174737400:174737400(0) ack 2827286711 win 5792 <mss 1460,sackOK,timestamp
> 123707 1045811384,nop,wscale 7>
> 18:40:39.324030 IP 172.20.11.102.53230 > 172.20.11.101.9000: . ack 1 win 46
> <nop,nop,timestamp 1045811384 123707>
> 18:40:39.324647 IP 172.20.11.102.53230 > 172.20.11.101.9000: P 1:168(167) ack
> 1 win 46 <nop,nop,timestamp 1045811384 123707>
> 18:40:39.324747 IP 172.20.11.101.9000 > 172.20.11.102.53230: . ack 168 win 54
> <nop,nop,timestamp 123708 1045811384>
> 18:40:39.324756 IP 172.20.11.101.9000 > 172.20.11.102.53230: . ack 168 win 54
> <nop,nop,timestamp 123708 1045811384>
> 18:40:39.324769 IP 172.20.11.101.9000 > 172.20.11.102.53230: . ack 168 win 54
> <nop,nop,timestamp 123708 1045811384>
> 18:40:39.531873 IP 172.20.11.101.9000 > 172.20.11.102.53230: P 1:20(19) ack
> 168 win 54 <nop,nop,timestamp 123915 1045811384>
> 18:40:39.531880 IP 172.20.11.102.53230 > 172.20.11.101.9000: . ack 20 win 46
> <nop,nop,timestamp 1045811592 123915>
> 18:40:39.531901 IP 172.20.11.101.9000 > 172.20.11.102.53230: P 1:20(19) ack
> 168 win 54 <nop,nop,timestamp 123915 1045811384>
> 18:40:39.531905 IP 172.20.11.102.53230 > 172.20.11.101.9000: . ack 20 win 46
> <nop,nop,timestamp 1045811592 123915,nop,nop,sack 1 {1:20}>
> 18:40:39.531910 IP 172.20.11.101.9000 > 172.20.11.102.53230: P 1:20(19) ack
> 168 win 54 <nop,nop,timestamp 123915 1045811384>
> 18:40:39.531914 IP 172.20.11.102.53230 > 172.20.11.101.9000: . ack 20 win 46
> <nop,nop,timestamp 1045811592 123915,nop,nop,sack 1 {1:20}>
> 18:40:39.532245 IP 172.20.11.102.53230 > 172.20.11.101.9000: P 168:193(25)
> ack 20 win 46 <nop,nop,timestamp 1045811592 123915>
> 18:40:39.532311 IP 172.20.11.101.9000 > 172.20.11.102.53230: . ack 193 win 54
> <nop,nop,timestamp 123915 1045811592>
> 18:40:39.532350 IP 172.20.11.101.9000 > 172.20.11.102.53230: . ack 193 win 54
> <nop,nop,timestamp 123915 1045811592,nop,nop,sack 1 {168:193}>
> 18:40:39.533398 IP 172.20.11.101.9000 > 172.20.11.102.53230: P 20:39(19) ack
> 193 win 54 <nop,nop,timestamp 123916 1045811592>
> 18:40:39.573609 IP 172.20.11.102.53230 > 172.20.11.101.9000: . ack 39 win 46
> <nop,nop,timestamp 1045811633 123916>
> 18:40:41.485795 IP 172.20.11.102.53230 > 172.20.11.101.9000: F 193:193(0) ack
> 39 win 46 <nop,nop,timestamp 1045813546 123916>
> 18:40:41.485898 IP 172.20.11.101.9000 > 172.20.11.102.53230: F 39:39(0) ack
> 194 win 54 <nop,nop,timestamp 125869 1045813546>
> 18:40:41.485905 IP 172.20.11.102.53230 > 172.20.11.101.9000: . ack 40 win 46
> <nop,nop,timestamp 1045813546 125869>
Christian Saar schrieb:
> Hallo All,
>
> We have this Exception in our Logs:
>
>> 2008-07-01 17:12:02,392 ERROR org.apache.hadoop.dfs.NameNode.Secondary:
>> Exception in doCheckpoint:
>> 2008-07-01 17:12:02,392 ERROR org.apache.hadoop.dfs.NameNode.Secondary:
>> java.net.ConnectException: Connection refused
>> at java.net.PlainSocketImpl.socketConnect(Native Method)
>> at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
>> at
>> java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:193)
>> at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
>> at java.net.Socket.connect(Socket.java:519)
>> at java.net.Socket.connect(Socket.java:469)
>> at sun.net.NetworkClient.doConnect(NetworkClient.java:157)
>> at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
>> at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
>> at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
>> at sun.net.www.http.HttpClient.New(HttpClient.java:306)
>> at sun.net.www.http.HttpClient.New(HttpClient.java:323)
>> at
>> sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:788)
>> at
>> sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:729)
>> at
>> sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:654)
>> at
>> sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:977)
>> at
>> org.apache.hadoop.dfs.TransferFsImage.getFileClient(TransferFsImage.java:149)
>> at
>> org.apache.hadoop.dfs.TransferFsImage.getFileClient(TransferFsImage.java:188)
>> at
>> org.apache.hadoop.dfs.SecondaryNameNode.getFSImage(SecondaryNameNode.java:245)
>> at
>> org.apache.hadoop.dfs.SecondaryNameNode.doCheckpoint(SecondaryNameNode.java:310)
>> at
>> org.apache.hadoop.dfs.SecondaryNameNode.run(SecondaryNameNode.java:223)
>> at java.lang.Thread.run(Thread.java:619)
>
> but the PrimaryNamenode looks good:
>
>> 2008-07-01 17:17:02,034 INFO org.apache.hadoop.fs.FSNamesystem: Roll Edit
>> Log from 172.20.11.102
>
> anybody know how i can find the problem here?
>
--
mit freundlichen Grüßen
Christian Saar
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