Look in that java file and see how all extant filters are mentioned and assigned a code. You need to add yours too. St.Ack
On Thu, Jun 3, 2010 at 10:14 PM, Raghava Mutharaju <[email protected]> wrote: > Thank you Angus and Guilherme :). I added the filter jar to $HBase/lib and > the exceptions went away. Although, there now the filter doesn't return any > rows - I have to check this out. > > Stack: > About HBaseObjectWritable, I have used it in serializing(write() method) > and deserializing(readFields() method) as was done in other existing > filters. Are you referring to this or something else? What does adding it to > HBaseObjectWritable mean? > > Thank you again. > > Regards, > Raghava. > > On Fri, Jun 4, 2010 at 1:04 AM, Stack <[email protected]> wrote: > >> You have to add it to HBaseObjectWritable too, IIRC. See how other >> filters are mentioned in there (The need to do this has to go away. I >> filed HBASE-2666). >> St.Ack >> >> On Thu, Jun 3, 2010 at 9:01 PM, Angus He <[email protected]> wrote: >> > Even if HBase is running in standalone mode, the scan operation is >> > still running in another jvm, to be specific, in HMaster process. >> > >> > So you still have to either put the custom filter jar in $HBASE/lib or >> > set up the $HBASE/conf/hbase-env.sh properly. >> > >> > On Fri, Jun 4, 2010 at 4:37 AM, Raghava Mutharaju >> > <[email protected]> wrote: >> >> The custom filter doesn't need any additional jars. >> >> Another point I forgot to mention is that, I am running this on a single >> >> node (laptop) to test my filter. >> >> >> >> Regards, >> >> Raghava. >> >> >> >> On Thu, Jun 3, 2010 at 4:23 PM, Guilherme Germoglio < >> [email protected]>wrote: >> >> >> >>> please check if the jars needed for your custom filter implementation >> are >> >>> in >> >>> hbase's classpath >> >>> >> >>> On Thu, Jun 3, 2010 at 5:16 PM, Raghava Mutharaju < >> >>> [email protected] >> >>> > wrote: >> >>> >> >>> > Hi all, >> >>> > >> >>> > I wrote a custom filter and used it with scan. I am getting the >> >>> > following exceptions. If I use any built-in filters, it works fine. I >> >>> > searched around and one of the suggestions was to increase the lease >> >>> > timeout. Since it works fine for built-in filters, I am assuming that >> >>> this >> >>> > is not the case. Is it that there is something wrong with my filter >> >>> > implementation? >> >>> > >> >>> > Regards, >> >>> > Raghava. >> >>> > >> >>> > Master log: >> >>> > >> >>> > org.apache.hadoop.hbase.UnknownScannerException: Name: -1 >> >>> > at >> >>> > >> >>> >> org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1889) >> >>> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> >>> > >> >>> > at >> >>> > >> >>> >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >> >>> > at >> >>> > >> >>> >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >> >>> > at java.lang.reflect.Method.invoke(Method.java:597) >> >>> > >> >>> > at >> >>> > org.apache.hadoop.hbase.ipc.HBaseRPC$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/ >> >>> >> >> >> > >> > >> > >> > -- >> > Regards >> > Angus >> > >> >
