[IMPALA-7675] The result of UpdateTableUsage() RPC is not correctly handled.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 3.1.0
• Fix Version/s: Impala 3.1.0
• Component/s: Frontend
• Epic Color: ghx-label-6
• Assignee: Tianyi Wang
• Reporter: Tianyi Wang
• Created: 06/Oct/18 01:29
• Updated: 19/Nov/18 22:09
• Resolved: 19/Nov/18 22:09

Description

ImpalaTableUsageTracker.report() doesn't handle the result of UpdateTableUsage() RPC correctly and triggers NullpointerException:

W1003 11:07:39.252918  6910 ImpaladTableUsageTracker.java:116] Unable to report table usage information to catalog server.
Java exception follows:
java.lang.NullPointerException
        at org.apache.impala.catalog.ImpaladTableUsageTracker.report(ImpaladTableUsageTracker.java:110)
        at org.apache.impala.catalog.ImpaladTableUsageTracker.access$000(ImpaladTableUsageTracker.java:44)
        at org.apache.impala.catalog.ImpaladTableUsageTracker$1.run(ImpaladTableUsageTracker.java:56)
        at java.lang.Thread.run(Thread.java:748)