I am using HBase0.92.1. Which version you are using?
On Thu, Sep 6, 2012 at 10:19 AM, anil gupta <[email protected]> wrote: > Hi Julian, > > You need to add the column qualifier explicitly in the scanner. You have > only added the column family in the scanner. > I am also assuming that you are writing a ByteArray of BigDecimal object > as value of these cells in HBase. Is that right? > > Thanks, > Anil > > > On Thu, Sep 6, 2012 at 2:28 AM, Julian Wissmann > <[email protected]>wrote: > >> Hi, anil, >> >> I presume you mean something like this: >> Scan scan = new Scan(_start, _end); >> scan.addFamily(family.getBytes()); >> final ColumnInterpreter<BigDecimal, BigDecimal> ci = new >> mypackage.BigDecimalColumnInterpreter(); >> AggregationClient ag = new org.apache.hadoop.hbase. >> client.coprocessor.AggregationClient(config); >> BigDecimal sum = ag.sum(Bytes.toBytes(tableName), new >> BigDecimalColumnInterpreter(), scan); >> >> >> When I call this,with the Endpoint in place and loaded as a jar, I get the >> above error. >> When I call it without the endpoint loaded as coprocessor, though, I get >> this: >> >> java.util.concurrent.ExecutionException: >> org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after >> attempts=10, exceptions: >> Thu Sep 06 11:07:39 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:07:40 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:07:41 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:07:42 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:07:44 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:07:46 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:07:50 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:07:54 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:08:02 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:08:18 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> >> at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252) >> at java.util.concurrent.FutureTask.get(FutureTask.java:111) >> at >> >> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processExecs(HConnectionManager.java:1434) >> at org.apache.hadoop.hbase.client.HTable.coprocessorExec(HTable.java:1263) >> at >> >> org.apache.hadoop.hbase.client.coprocessor.AggregationClient.sum(AggregationClient.java:259) >> at >> >> helpers.HbaseReaderBigDecimal.getWeeksumSCAN(HbaseReaderBigDecimal.java:355) >> at helpers.HbaseReaderBigDecimal.main(HbaseReaderBigDecimal.java:76) >> Caused by: org.apache.hadoop.hbase.client.RetriesExhaustedException: >> Failed >> after attempts=10, exceptions: >> Thu Sep 06 11:07:39 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:07:40 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:07:41 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:07:42 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:07:44 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:07:46 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:07:50 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:07:54 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:08:02 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> Thu Sep 06 11:08:18 CEST 2012, >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@7bd6747b, >> java.io.IOException: >> IPC server unable to read call parameters: Error in readFields >> >> at >> >> org.apache.hadoop.hbase.client.ServerCallable.withRetries(ServerCallable.java:183) >> at >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker.invoke(ExecRPCInvoker.java:79) >> at $Proxy7.getSum(Unknown Source) >> at >> >> org.apache.hadoop.hbase.client.coprocessor.AggregationClient$4.call(AggregationClient.java:263) >> at >> >> org.apache.hadoop.hbase.client.coprocessor.AggregationClient$4.call(AggregationClient.java:260) >> at >> >> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$4.call(HConnectionManager.java:1422) >> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) >> at java.util.concurrent.FutureTask.run(FutureTask.java:166) >> at >> >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) >> at >> >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) >> at java.lang.Thread.run(Thread.java:679) >> >> Interestingly, the RegionServer-log doesn't give me any errors, here, just >> some info stuff, that suggests it was actually doing something. >> Did you implement readFields() and write(), then as Ted suggested? >> >> >> 2012/9/5 anil gupta <[email protected]> >> >> > Hi Julian, >> > >> > Sorry for wrong reference to the aggregation client class in my previous >> > email. Here is the right >> > class:org.apache.hadoop.hbase.client.coprocessor.AggregationClient. >> > >> > HTH, >> > Anil >> > >> > On Wed, Sep 5, 2012 at 2:04 PM, anil gupta <[email protected]> >> wrote: >> > >> > > Hi Julian, >> > > >> > > I have been running the same class on my distributed cluster for >> > > aggregation. It has been working fine. The only difference is that i >> use >> > > the methods provided incom.intuit.ihub.hbase.poc.aggregation.client. >> > > AggregationClient class. IMHO, you don't need to define an Endpoint >> for >> > > using the BigDecimalColumnInterpreter. >> > > >> > > You need to use methods of AggregationClient: >> > > sum(Bytes.toBytes(tableName), ci, scan), avg(final byte[] tableName, >> > final >> > > ColumnInterpreter<R, S> ci, Scan scan), etc. >> > > >> > > In the above method you just need to pass the >> > BigDecimalColumnInterpreter, >> > > Scan object and Byte Array of TableName. It should work. Let me know >> if >> > it >> > > doesn't work this way.* >> > > * >> > > Thanks, >> > > Anil Gupta >> > > * >> > > * >> > > >> > > On Wed, Sep 5, 2012 at 1:30 PM, Julian Wissmann < >> > [email protected]>wrote: >> > > >> > >> Thank you! >> > >> So this looks like the missing link here. >> > >> I'll see if I can get it working, tomorrow morning. >> > >> >> > >> Cheers >> > >> >> > >> 2012/9/5 Ted Yu <[email protected]> >> > >> >> > >> > I added one review comment on >> > >> > HBASE-6669<https://issues.apache.org/jira/browse/HBASE-6669> >> > >> > . >> > >> > >> > >> > Thanks Julian for reminding me. >> > >> > >> > >> > On Wed, Sep 5, 2012 at 12:49 PM, Julian Wissmann >> > >> > <[email protected]>wrote: >> > >> > >> > >> > > I get supplied with doubles from sensors, but in the end I loose >> too >> > >> much >> > >> > > precision if I do my aggregations on double, otherwise I'd go for >> > it. >> > >> > > I use 0.92.1, from Cloudera CDH4. >> > >> > > I've done some initial testing with LongColumnInterpreter on a >> > dataset >> > >> > that >> > >> > > I've generated, to do some testing and get accustomed to stuff, >> but >> > >> that >> > >> > > worked like a charm after some initial stupidity on my side. >> > >> > > So now I'm trying to do some testing with the real data, which >> comes >> > >> in >> > >> > as >> > >> > > double and gets parsed to BigDecimal before writing. >> > >> > > >> > >> > > 2012/9/5 Ted Yu <[email protected]> >> > >> > > >> > >> > > > And your HBase version is ? >> > >> > > > >> > >> > > > Since you use Double.parseDouble(), looks like it would be more >> > >> > efficient >> > >> > > > to develop DoubleColumnInterpreter. >> > >> > > > >> > >> > > > On Wed, Sep 5, 2012 at 12:07 PM, Julian Wissmann >> > >> > > > <[email protected]>wrote: >> > >> > > > >> > >> > > > > Hi, >> > >> > > > > the schema looks like this: >> > >> > > > > RowKey: id,timerange_timestamp,offset (String) >> > >> > > > > Qualifier: Offset (long) >> > >> > > > > Timestamp: timestamp (long) >> > >> > > > > Value:number (BigDecimal) >> > >> > > > > >> > >> > > > > Or as code when I read data from csv:byte[] value = >> > >> > > > > >> Bytes.toBytes(BigDecimal.valueOf(Double.parseDouble(cData[2]))); >> > >> > > > > >> > >> > > > > Cheers, >> > >> > > > > >> > >> > > > > Julian >> > >> > > > > >> > >> > > > > 2012/9/5 Ted Yu <[email protected]> >> > >> > > > > >> > >> > > > > > You haven't told us the schema of your table yet. >> > >> > > > > > Your table should have column whose value can be >> interpreted >> > by >> > >> > > > > > BigDecimalColumnInterpreter. >> > >> > > > > > >> > >> > > > > > Cheers >> > >> > > > > > >> > >> > > > > > On Wed, Sep 5, 2012 at 9:17 AM, Julian Wissmann < >> > >> > > > > [email protected] >> > >> > > > > > >wrote: >> > >> > > > > > >> > >> > > > > > > Hi, >> > >> > > > > > > >> > >> > > > > > > I am currently experimenting with the >> > >> BigDecimalColumnInterpreter >> > >> > > > from >> > >> > > > > > > https://issues.apache.org/jira/browse/HBASE-6669. >> > >> > > > > > > >> > >> > > > > > > I was thinking the best way for me to work with it would >> be >> > to >> > >> > use >> > >> > > > the >> > >> > > > > > Java >> > >> > > > > > > class and just use that as is. >> > >> > > > > > > >> > >> > > > > > > Imported it into my project and tried to work with it as >> is, >> > >> by >> > >> > > just >> > >> > > > > > > instantiating the ColumnInterpreter as >> > >> > BigDecimalColumnInterpreter. >> > >> > > > > Okay, >> > >> > > > > > > threw errors and also complained about not knowing where >> to >> > >> find >> > >> > > > such a >> > >> > > > > > > class. >> > >> > > > > > > >> > >> > > > > > > So I did some reading and found out, that I'd need to >> have >> > an >> > >> > > > Endpoint >> > >> > > > > > for >> > >> > > > > > > it. So I imported AggregateImplementation and >> > >> AggregateProtocol >> > >> > > into >> > >> > > > my >> > >> > > > > > > workspace, renamed them, and refactored them where >> necessary >> > >> to >> > >> > > take >> > >> > > > > > > BigDecimal. Re-exported the jar, then and had another >> try. >> > >> > > > > > > >> > >> > > > > > > So when I call: >> > >> > > > > > > ------ >> > >> > > > > > > final Scan scan = new Scan((metricID + "," + >> > >> > > > > basetime_begin).getBytes(), >> > >> > > > > > > (metricID + "," + basetime_end).getBytes()); >> > >> > > > > > > scan.addFamily(family.getBytes()); >> > >> > > > > > > final ColumnInterpreter<BigDecimal, BigDecimal> ci = new >> > >> > > > > > > BigDecimalColumnInterpreter(); >> > >> > > > > > > Map<byte[], BigDecimal> results = >> > >> > > > > > > table.coprocessorExec(BigDecimalProtocol.class, null, >> null, >> > >> > > > > > > new Batch.Call<BigDecimalProtocol,BigDecimal>() { >> > >> > > > > > > public BigDecimal call(BigDecimalProtocol >> > >> instance)throws >> > >> > > > > > > IOException{ >> > >> > > > > > > return instance.getMax(ci, scan); >> > >> > > > > > > } >> > >> > > > > > > }); >> > >> > > > > > > ------ >> > >> > > > > > > I get errors in the log again, that it can't find >> > >> > > > > > > BigDecimalColumnInterpreter... okay, so I tried >> > >> > > > > > > ------ >> > >> > > > > > > Scan scan = new Scan((metricID + "," + >> > >> > basetime_begin).getBytes(), >> > >> > > > > > > (metricID + "," + basetime_end).getBytes()); >> > >> > > > > > > scan.addFamily(family.getBytes()); >> > >> > > > > > > final ColumnInterpreter<BigDecimal, BigDecimal> ci = new >> > >> > > > > > > BigDecimalColumnInterpreter(); >> > >> > > > > > > AggregationClient ag = new AggregationClient(config); >> > >> > > > > > > BigDecimal max = ag.max(Bytes.toBytes(tableName), ci, >> scan); >> > >> > > > > > > ------ >> > >> > > > > > > I don't get errors recored in the log anymore, but a >> load of >> > >> Java >> > >> > > > error >> > >> > > > > > > output: >> > >> > > > > > > ------ >> > >> > > > > > > >> > >> > > > > > > java.util.concurrent.ExecutionException: >> > >> > > > > > > org.apache.hadoop.hbase.client.RetriesExhaustedException: >> > >> Failed >> > >> > > > after >> > >> > > > > > > attempts=10, exceptions: >> > >> > > > > > > Wed Sep 05 18:13:43 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:44 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:45 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:46 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:49 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:51 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:55 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:59 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:14:07 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:14:23 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > >> > >> > > > > > > at >> > >> > > >> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252) >> > >> > > > > > > at >> java.util.concurrent.FutureTask.get(FutureTask.java:111) >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > >> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processExecs(HConnectionManager.java:1434) >> > >> > > > > > > at >> > >> > > > > > >> > >> > > >> > >> >> org.apache.hadoop.hbase.client.HTable.coprocessorExec(HTable.java:1263) >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > >> org.apache.hadoop.hbase.client.coprocessor.AggregationClient.sum(AggregationClient.java:259) >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > >> helpers.HbaseReaderBigDecimal.getWeeksumSCAN(HbaseReaderBigDecimal.java:360) >> > >> > > > > > > at >> > >> > > helpers.HbaseReaderBigDecimal.main(HbaseReaderBigDecimal.java:81) >> > >> > > > > > > Caused by: >> > >> > > org.apache.hadoop.hbase.client.RetriesExhaustedException: >> > >> > > > > > Failed >> > >> > > > > > > after attempts=10, exceptions: >> > >> > > > > > > Wed Sep 05 18:13:43 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:44 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:45 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:46 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:49 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:51 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:55 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:59 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:14:07 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:14:23 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > >> org.apache.hadoop.hbase.client.ServerCallable.withRetries(ServerCallable.java:183) >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > >> > >> > > >> > >> >> > >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker.invoke(ExecRPCInvoker.java:79) >> > >> > > > > > > at $Proxy7.getSum(Unknown Source) >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > >> org.apache.hadoop.hbase.client.coprocessor.AggregationClient$4.call(AggregationClient.java:263) >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > >> org.apache.hadoop.hbase.client.coprocessor.AggregationClient$4.call(AggregationClient.java:260) >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > >> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$4.call(HConnectionManager.java:1422) >> > >> > > > > > > at >> > >> > > >> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) >> > >> > > > > > > at >> java.util.concurrent.FutureTask.run(FutureTask.java:166) >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) >> > >> > > > > > > at java.lang.Thread.run(Thread.java:679) >> > >> > > > > > > org.apache.hadoop.hbase.client.RetriesExhaustedException: >> > >> Failed >> > >> > > > after >> > >> > > > > > > attempts=10, exceptions: >> > >> > > > > > > Wed Sep 05 18:13:43 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:44 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:45 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:46 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:49 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:51 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:55 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:13:59 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:14:07 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > Wed Sep 05 18:14:23 CEST 2012, >> > >> > > > > > > org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@50502819, >> > >> > > > > > > java.io.IOException: >> > >> > > > > > > IPC server unable to read call parameters: Error in >> > readFields >> > >> > > > > > > >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > >> org.apache.hadoop.hbase.client.ServerCallable.withRetries(ServerCallable.java:183) >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > >> > >> > > >> > >> >> > >> org.apache.hadoop.hbase.ipc.ExecRPCInvoker.invoke(ExecRPCInvoker.java:79) >> > >> > > > > > > at $Proxy7.getSum(Unknown Source) >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > >> org.apache.hadoop.hbase.client.coprocessor.AggregationClient$4.call(AggregationClient.java:263) >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > >> org.apache.hadoop.hbase.client.coprocessor.AggregationClient$4.call(AggregationClient.java:260) >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > >> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$4.call(HConnectionManager.java:1422) >> > >> > > > > > > at >> > >> > > >> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) >> > >> > > > > > > at >> java.util.concurrent.FutureTask.run(FutureTask.java:166) >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) >> > >> > > > > > > at >> > >> > > > > > > >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) >> > >> > > > > > > at java.lang.Thread.run(Thread.java:679) >> > >> > > > > > > >> > >> > > > > > > ------ >> > >> > > > > > > >> > >> > > > > > > I'm not really sure about what I'm doing wrong. Does >> anyone >> > >> have >> > >> > a >> > >> > > > hint >> > >> > > > > > > towards the right direction? >> > >> > > > > > > >> > >> > > > > > >> > >> > > > > >> > >> > > > >> > >> > > >> > >> > >> > >> >> > > >> > > >> > > >> > > -- >> > > Thanks & Regards, >> > > Anil Gupta >> > > >> > >> > >> > >> > -- >> > Thanks & Regards, >> > Anil Gupta >> > >> > > > > -- > Thanks & Regards, > Anil Gupta > -- Thanks & Regards, Anil Gupta
