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Posted to issues@impala.apache.org by "bharath v (JIRA)" <ji...@apache.org> on 2017/05/14 17:37:04 UTC
[jira] [Created] (IMPALA-5322) Potential crash in Frontend &
Catalog JNI startup
bharath v created IMPALA-5322:
---------------------------------
Summary: Potential crash in Frontend & Catalog JNI startup
Key: IMPALA-5322
URL: https://issues.apache.org/jira/browse/IMPALA-5322
Project: IMPALA
Issue Type: Bug
Components: Backend
Affects Versions: Impala 2.8.0
Reporter: bharath v
Assignee: bharath v
Priority: Critical
Fix For: Impala 2.9.0
{noformat}
cfg.__set_load_auth_to_local_rules(FLAGS_load_auth_to_local_rules);
cfg.__set_principal(FLAGS_principal);
cfg.__set_impala_log_lvl(FlagToTLogLevel(FLAGS_v));
cfg.__set_non_impala_java_vlog(FlagToTLogLevel(FLAGS_non_impala_java_vlog));
cfg.__set_inc_stats_size_limit_bytes(FLAGS_inc_stats_size_limit_bytes);
cfg.__set_lineage_event_log_dir(FLAGS_lineage_event_log_dir);
cfg.__set_local_library_path(FLAGS_local_library_dir);
cfg.__set_kudu_operation_timeout_ms(FLAGS_kudu_operation_timeout_ms);
JniLocalFrame jni_frame; <---
RETURN_IF_ERROR(jni_frame.push(jni_env)); <----
RETURN_IF_ERROR(SerializeThriftMsg(jni_env, &cfg, cfg_bytes));
return Status::OK();
{noformat}
We use a local frame that could be GC'ed by the JVM. There is no need to use it. This was found in testing where we instantiate multiple fe instances.
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