Yeah I do have a type:ELECTRONIC column. I have a lot of data in the tall table, so it may be sparse. I'm giving it filters like start/stop row key and column family/qualifier. This should still work IMO. What other could be causing this?
Ryan Rawson wrote: > > are you sure you have that column in your data? If you are searching > for a column that doesnt exist or is very very very sparse, the > scanner will spend a lot of time searching only to find nothing, thus > ending up with these kinds of exceptions.... > > On Fri, Jun 26, 2009 at 12:35 PM, llpind<[email protected]> wrote: >> >> This exception does not happen if I remove the addColumn, and leave only >> addFamily (linkScan.addFamily(Bytes.toBytes("type")) . >> >> also, forgot I also have start and stop rows set: >> >> >> >> Scan linkScan = new Scan();. >> linkScan.addColumn(Bytes.toBytes("type"), Bytes.toBytes("ELECTRONICS")); >> linkScan.setStartRow (Bytes.toBytes(e + "|")); >> linkScan.setStopRow (Bytes.toBytes(e + " ")); >> ResultScanner scanner = tblEntity.getScanner(linkScan); >> for (Result linkRowResult : scanner ) { >> String row = Bytes.toString(linkRowResult.getRow()); >> } >> >> >> >> >> llpind wrote: >>> >>> Hey, >>> >>> I'm doing the following to get a scanner on a tall table: >>> >>> Scan linkScan = new Scan();. >>> linkScan.addColumn(Bytes.toBytes("type"), >>> Bytes.toBytes("ELECTRONICS")); >>> ResultScanner scanner = tblEntity.getScanner(linkScan); >>> for (Result linkRowResult : scanner ) { >>> String row = Bytes.toString(linkRowResult.getRow()); >>> } >>> >>> >>> ================================================================ >>> at org.apache.hadoop.util.RunJar.main(RunJar.java:156) >>> Caused by: org.apache.hadoop.hbase.UnknownScannerException: >>> org.apache.hadoop.hbase.UnknownScannerException: -2823498412219891315 >>> at >>> org.apache.hadoop.hbase.regionserver.HRegionServer.close(HRegionServer.java:1894) >>> at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source) >>> at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >>> at java.lang.reflect.Method.invoke(Method.java:597) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:643) >>> at >>> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:913) >>> >>> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native >>> Method) >>> at >>> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) >>> at >>> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) >>> at >>> java.lang.reflect.Constructor.newInstance(Constructor.java:513) >>> at >>> org.apache.hadoop.hbase.RemoteExceptionHandler.decodeRemoteException(RemoteExceptionHandler.java:94) >>> at >>> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getRegionServerWithRetries(HConnectionManager.java:928) >>> at >>> org.apache.hadoop.hbase.client.HTable$ClientScanner.nextScanner(HTable.java:1764) >>> at >>> org.apache.hadoop.hbase.client.HTable$ClientScanner.next(HTable.java:1859) >>> at >>> org.apache.hadoop.hbase.client.HTable$ClientScanner$1.hasNext(HTable.java:1915) >>> ... 8 more >>> >>> >>> >> >> -- >> View this message in context: >> http://www.nabble.com/Scanner-exceptions-in-.20-tp24225950p24226108.html >> Sent from the HBase User mailing list archive at Nabble.com. >> >> > > -- View this message in context: http://www.nabble.com/Scanner-exceptions-in-.20-tp24225950p24227287.html Sent from the HBase User mailing list archive at Nabble.com.
