[HDFS-13816] dfs.getQuotaUsage() throws NPE on non-existent dir instead of FileNotFoundException

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.8.0, 3.0.0-alpha1
• Fix Version/s: 3.0.4, 3.3.0, 3.2.1, 3.1.3
• Component/s: namenode
• Hadoop Flags: Reviewed
• Assignee: Vinayakumar B
• Reporter: Vinayakumar B
• Created: 10/Aug/18 06:50
• Updated: 19/Jun/19 17:26
• Resolved: 26/Nov/18 13:00

Description

dfs.getQuotaUsage() on non-existent path should throw FileNotFoundException.

java.lang.NullPointerException
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getQuotaUsageInt(FSDirStatAndListingOp.java:573)
	at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getQuotaUsage(FSDirStatAndListingOp.java:554)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getQuotaUsage(FSNamesystem.java:3221)
	at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getQuotaUsage(NameNodeRpcServer.java:1404)
	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getQuotaUsage(ClientNamenodeProtocolServerSideTranslatorPB.java:1861)
	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:524)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1025)
	at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:876)
	at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:822)
	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:1730)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2682)

Issue Links

• is duplicated by: HDFS-13530 NameNode: Fix NullPointerException when getQuotaUsageInt() invoked