From d9973a38db906a1bf2d8f2122163e3a4cef1c17c Mon Sep 17 00:00:00 2001
From: Mike McCandless <mikemccand@apache.org>
Date: Mon, 10 Apr 2017 19:07:25 -0400
Subject: [PATCH] LUCENE-7775: fix exception handling to throw first exception
 hit

---
 .../src/java/org/apache/lucene/index/BufferedUpdatesStream.java | 2 +-
 .../core/src/java/org/apache/lucene/index/SegmentDocValues.java | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lucene/core/src/java/org/apache/lucene/index/BufferedUpdatesStream.java b/lucene/core/src/java/org/apache/lucene/index/BufferedUpdatesStream.java
index 9da1e09530d..e5aae4f0929 100644
--- a/lucene/core/src/java/org/apache/lucene/index/BufferedUpdatesStream.java
+++ b/lucene/core/src/java/org/apache/lucene/index/BufferedUpdatesStream.java
@@ -456,7 +456,7 @@ class BufferedUpdatesStream implements Accountable {
       try {
         segStates[j].finish(pool);
       } catch (Throwable th) {
-        if (firstExc != null) {
+        if (firstExc == null) {
           firstExc = th;
         }
       }
diff --git a/lucene/core/src/java/org/apache/lucene/index/SegmentDocValues.java b/lucene/core/src/java/org/apache/lucene/index/SegmentDocValues.java
index ce2050f76de..4838799097a 100644
--- a/lucene/core/src/java/org/apache/lucene/index/SegmentDocValues.java
+++ b/lucene/core/src/java/org/apache/lucene/index/SegmentDocValues.java
@@ -85,7 +85,7 @@ final class SegmentDocValues {
       try {
         dvp.decRef();
       } catch (Throwable th) {
-        if (t != null) {
+        if (t == null) {
           t = th;
         }
       }