[KUDU-585] sigsegv when hitting the metrics JSON dump web page and tablets are bootstrapping

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: M4.5
• Component/s: tserver
• Labels: newbie
• Assignee: Andrew Wang
• Reporter: Jean-Daniel Cryans
• Created: 18/Dec/14 13:30
• Updated: 13/Jan/15 12:26
• Resolved: 13/Jan/15 12:26

Description

Getting this when looking at the metrics while creating a big tablet:

*** Aborted at 1418925967 (unix time) try "date -d @1418925967" if you are using GNU date ***
PC: @     0x7f6aae56f2d9 kudu::subtle::RefCountedThreadSafeBase::AddRef()
*** SIGSEGV (@0x0) received by PID 9586 (TID 0x7f69ca3ac700) from PID 0; stack trace: ***
    @       0x35bac0f500 (unknown)
    @     0x7f6aae56f2d9 kudu::subtle::RefCountedThreadSafeBase::AddRef()
    @     0x7f6ab2565b0f kudu::tablet::Tablet::MemRowSetSize()
    @     0x7f6aae8140d0 kudu::FunctionGauge<>::WriteValue()
    @     0x7f6aae80efbb kudu::Gauge::WriteAsJson()
    @     0x7f6aae81044f kudu::MetricRegistry::WriteAsJson()
    @     0x7f6ab2a66a6d kudu::WriteMetricsAsJson()
    @     0x7f6ab2a74ded kudu::Webserver::RunPathHandler()
    @     0x7f6ab2a75511 kudu::Webserver::BeginRequestCallback()
    @     0x7f6ab2a85938 handle_request
    @     0x7f6ab2a87248 process_new_connection
    @     0x7f6ab2a878a8 worker_thread