[AVRO-2047] NettyTransceiver can NPE when getRemoteName() is called

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.7.7
• Component/s: java
• Assignee: Unassigned
• Reporter: Clement Pang
• Created: 14/Jul/17 05:41
• Updated: 30/Dec/18 05:42

Description

NettyTransceiver can NPE if the channel is closed while a request is underway. The correct thing to do seems to be to check for null and throw an IOException ("underlying transport no longer available").

! java.lang.NullPointerException: null
! at org.apache.avro.ipc.NettyTransceiver.getRemoteName(NettyTransceiver.java:431)
! at org.apache.avro.ipc.Requestor.writeHandshake(Requestor.java:202)
! at org.apache.avro.ipc.Requestor.access$300(Requestor.java:52)
! at org.apache.avro.ipc.Requestor$Request.getBytes(Requestor.java:478)
! at org.apache.avro.ipc.Requestor.request(Requestor.java:181)
! at org.apache.avro.ipc.Requestor.request(Requestor.java:129)
! at org.apache.avro.ipc.specific.SpecificRequestor.invoke(SpecificRequestor.java:84)