[HDFS-13417] hdfsGetHedgedReadMetrics() crashes when 'fs' is a non-HDFS filesystem

• Type: Bug
• Status: Open
• Priority: Critical
• Resolution: Unresolved
• Affects Version/s: 3.0.0-alpha4
• Component/s: libhdfs
• Labels: crash
• Assignee: Unassigned
• Reporter: Sailesh Mukil
• Created: 09/Apr/18 22:09
• Updated: 10/Apr/18 05:13

Description

(gdb) bt
#0  0x0000003346c32625 in raise () from /lib64/libc.so.6
#1  0x0000003346c33e05 in abort () from /lib64/libc.so.6
#2  0x00007f185be140b5 in os::abort(bool) ()
   from /usr/java/jdk1.8.0_121-cloudera/jre/lib/amd64/server/libjvm.so
#3  0x00007f185bfb6443 in VMError::report_and_die() ()
   from /usr/java/jdk1.8.0_121-cloudera/jre/lib/amd64/server/libjvm.so
#4  0x00007f185be195bf in JVM_handle_linux_signal ()
   from /usr/java/jdk1.8.0_121-cloudera/jre/lib/amd64/server/libjvm.so
#5  0x00007f185be0fb03 in signalHandler(int, siginfo*, void*) ()
   from /usr/java/jdk1.8.0_121-cloudera/jre/lib/amd64/server/libjvm.so
#6  <signal handler called>
#7  0x00007f185bbc1a7b in jni_invoke_nonstatic(JNIEnv_*, JavaValue*, _jobject*, JNICallType, _jmethodID*, JNI_ArgumentPusher*, Thread*) ()
   from /usr/java/jdk1.8.0_121-cloudera/jre/lib/amd64/server/libjvm.so
#8  0x00007f185bbc7e81 in jni_CallObjectMethodV ()
   from /usr/java/jdk1.8.0_121-cloudera/jre/lib/amd64/server/libjvm.so
#9  0x000000000212e2b7 in invokeMethod ()
#10 0x0000000002131297 in hdfsGetHedgedReadMetrics ()
...
...

hdfsGetHedgedReadMetrics() is not supported for non-HDFS filesystems, so we need to fix this to make sure that it doesn't crash.

Issue Links

• is depended upon by: IMPALA-6813 Hedged reads metrics broken when scanning non-HDFS based table