[HAWQ-1166] More friendly error message after hawqregister with original table

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Won't Fix
• Fix Version/s: 2.3.0.0-incubating
• Component/s: Command Line Tools
• Assignee: Xiang Sheng
• Reporter: Hong Wu
• Created: 21/Nov/16 04:09
• Updated: 08/Aug/17 01:59
• Resolved: 08/Aug/17 01:59

Description

After hawqregister, if users access the original table, he will get message below. Although this is a undefined behavior, should we write some record into catalog table to return instructive error message in this case?

ERROR:  file open error in file 'hdfs://localhost:8020/hawq_default/16385/16387/16733/1' for relation 't': No such file or directory  (seg0 localhost:40000 pid=43107)
DETAIL:  
File does not exist: /hawq_default/16385/16387/16733/1
	at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:71)
	at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:61)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocationsInt(FSNamesystem.java:1828)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:1799)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:1712)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getBlockLocations(NameNodeRpcServer.java:587)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getBlockLocations(ClientNamenodeProtocolServerSideTranslatorPB.java:365)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2049)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2045)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2045)