[HDDS-4047] OzoneManager met NPE exception while getServiceList

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.0.0
• Fix Version/s: 1.0.0
• Component/s: Ozone Manager
• Labels: pull-request-available
• Target Version/s: 1.0.0
• Assignee: Baolong Mao
• Reporter: Baolong Mao
• Created: 30/Jul/20 14:50
• Updated: 30/Jul/20 23:41
• Resolved: 30/Jul/20 23:38

Description

2020-07-30 22:28:03,895 [IPC Server handler 77 on default port 9862] WARN org.apache.hadoop.ipc.Server: IPC Server handler 77 on default port 9862, call Call#61137 Retry#13 org.apache.hadoop.ozone.om.protocol.OzoneManagerProtocol.submitRequest from 9.179.142.158:48848
java.lang.NullPointerException
at org.apache.hadoop.ozone.om.OzoneManager.getServiceList(OzoneManager.java:2505)
at org.apache.hadoop.ozone.om.OzoneManager.getServiceInfo(OzoneManager.java:2578)
at org.apache.hadoop.ozone.protocolPB.OzoneManagerRequestHandler.getServiceList(OzoneManagerRequestHandler.java:451)
at org.apache.hadoop.ozone.protocolPB.OzoneManagerRequestHandler.handleReadRequest(OzoneManagerRequestHandler.java:176)
at org.apache.hadoop.ozone.protocolPB.OzoneManagerProtocolServerSideTranslatorPB.submitRequestDirectlyToOM(OzoneManagerProtocolServerSideTranslatorPB.java:218)
at org.apache.hadoop.ozone.protocolPB.OzoneManagerProtocolServerSideTranslatorPB.processRequest(OzoneManagerProtocolServerSideTranslatorPB.java:145)
at org.apache.hadoop.hdds.server.OzoneProtocolMessageDispatcher.processRequest(OzoneProtocolMessageDispatcher.java:74)
at org.apache.hadoop.ozone.protocolPB.OzoneManagerProtocolServerSideTranslatorPB.submitRequest(OzoneManagerProtocolServerSideTranslatorPB.java:113)
at org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos$OzoneManagerService$2.callBlockingMethod(OzoneManagerProtocolProtos.java)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:528)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1070)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:999)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:927)
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:2915)

Issue Links

• links to: GitHub Pull Request #1277