bq. IPC server unable to read call parameters: Error in readFields....... Was there more in the stack trace ?
Did your Endpoint coprocessor serialize/deserialize additional parameter(s) ? On Wed, Jul 10, 2013 at 5:15 AM, Amit Sela <[email protected]> wrote: > Hi all, > > I'm trying to deploy an EndPoint Coprocessor I wrote. This isn't the first > one I'm writing and deploying but I can't seem to find the problem here. > I pack the code in a JAR, copy it to HDFS and load it to the table from > shell (with full URI of course). > > When I try to execute the endpoint (which execute a scan using > InternalScanner) I get nothing for a few seconds and then I get exceptions: > > HConnectionImplementation ยป Error executing for row "start_key" > RetriesExhaustedException: Failed after attempts=10, exceptions: > IOException: IPC server unable to read call parameters: Error in > readFields.......*10 times* > * > * > 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:1453) > at org.apache.hadoop.hbase.client.HTable.coprocessorExec(HTable.java:1236) > at org.apache.hadoop.hbase.client.HTable.coprocessorExec(HTable.java:1216) > at > > org.apache.hadoop.hbase.client.HTablePool$PooledHTable.coprocessorExec(HTablePool.java:481) > at > > com.infolinks.redmap.services.impl.utils.TestExecutor.testHBaseCPScan(TestExecutor.java:171) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:601) > > Is there something I missed in deployment ? > Thanks, > > Amit. >
