The custom filter doesn't need any additional jars. Another point I forgot to mention is that, I am running this on a single node (laptop) to test my filter.
Regards, Raghava. On Thu, Jun 3, 2010 at 4:23 PM, Guilherme Germoglio <[email protected]>wrote: > please check if the jars needed for your custom filter implementation are > in > hbase's classpath > > On Thu, Jun 3, 2010 at 5:16 PM, Raghava Mutharaju < > [email protected] > > wrote: > > > Hi all, > > > > I wrote a custom filter and used it with scan. I am getting the > > following exceptions. If I use any built-in filters, it works fine. I > > searched around and one of the suggestions was to increase the lease > > timeout. Since it works fine for built-in filters, I am assuming that > this > > is not the case. Is it that there is something wrong with my filter > > implementation? > > > > Regards, > > Raghava. > > > > Master log: > > > > org.apache.hadoop.hbase.UnknownScannerException: Name: -1 > > at > > > org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1889) > > 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:597) > > > > at > > org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:657) > > at > > org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915) > > 2010-06-03 16:02:10,775 INFO org.apache.hadoop.ipc.HBaseServer: IPC > > Server handler 9 on 60770, call next(-1, 1) from 130.108.56.225:61091: > > error: org.apache.hadoop.hbase.UnknownScannerException: Name: -1 > > > > > > Console: > > > > Exception in thread "main" > > org.apache.hadoop.hbase.client.RetriesExhaustedException: Trying to > contact > > region server 130.108.56.225:60770 for region table1,,1274648045785, row > > '', > > but failed after 10 attempts. > > Exceptions: > > java.io.IOException: Call to /130.108.56.225:60770 failed on local > > exception: java.io.EOFException > > java.io.IOException: Call to /130.108.56.225:60770 failed on local > > exception: java.io.EOFException > > java.io.IOException: Call to /130.108.56.225:60770 failed on local > > exception: java.io.EOFException > > java.io.IOException: Call to /130.108.56.225:60770 failed on local > > exception: java.io.EOFException > > java.io.IOException: Call to /130.108.56.225:60770 failed on local > > exception: java.io.EOFException > > java.io.IOException: Call to /130.108.56.225:60770 failed on local > > exception: java.io.EOFException > > java.io.IOException: Call to /130.108.56.225:60770 failed on local > > exception: java.io.EOFException > > java.io.IOException: Call to /130.108.56.225:60770 failed on local > > exception: java.io.EOFException > > java.io.IOException: Call to /130.108.56.225:60770 failed on local > > exception: java.io.EOFException > > java.io.IOException: Call to /130.108.56.225:60770 failed on local > > exception: java.io.EOFException > > > > at > > > > > org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getRegionServerWithRetries(HConnectionManager.java:1055) > > at > > > > > org.apache.hadoop.hbase.client.HTable$ClientScanner.nextScanner(HTable.java:2003) > > at > > > > > org.apache.hadoop.hbase.client.HTable$ClientScanner.initialize(HTable.java:1923) > > at org.apache.hadoop.hbase.client.HTable.getScanner(HTable.java:403) > > at > > org.knoesis.reasoning.MR.FilterReadClient.main(FilterReadClient.java:58) > > > > Line 58 above has a call to getScanner(CustomFilterInstance) of HTable. > > > > > > -- > Guilherme > > msn: [email protected] > homepage: http://sites.google.com/site/germoglio/ >
