From d97f9db39f0d35c1dc19566f5327f0812e521dc7 Mon Sep 17 00:00:00 2001
From: Hans Zeller <hzeller@apache.org>
Date: Tue, 29 Mar 2016 21:06:44 +0000
Subject: [PATCH] TRAFODION-1910 mxosrvr crashes on Hive query after reconnect

NATableDB is caching a pointer to a HiveClient_JNI object
(HiveMetaData::client_), but that object gets deallocated when a JDBC
client disconnects.  Fixing this by keeping the HiveClient_JNI around
across sessions.
---
 core/sql/cli/CliExtern.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/core/sql/cli/CliExtern.cpp b/core/sql/cli/CliExtern.cpp
index e5dd796b44..f09fa5ad73 100644
--- a/core/sql/cli/CliExtern.cpp
+++ b/core/sql/cli/CliExtern.cpp
@@ -6316,7 +6316,8 @@ Lng32 SQL_EXEC_DeleteHbaseJNI()
       threadContext->incrNumOfCliCalls();
 
       HBaseClient_JNI::deleteInstance();
-      HiveClient_JNI::deleteInstance();
+      // The Hive client persists across connections
+      // HiveClient_JNI::deleteInstance();
    }
    catch(...)
    {