PHOENIX-1994 - TestIndexWriter#testFailureOnRunningUpdateAbortsPending() deadlocks on JDK 8
diff --git a/phoenix-core/src/test/java/org/apache/phoenix/hbase/index/write/TestIndexWriter.java b/phoenix-core/src/test/java/org/apache/phoenix/hbase/index/write/TestIndexWriter.java
index 37a8cf4..8f576cf 100644
--- a/phoenix-core/src/test/java/org/apache/phoenix/hbase/index/write/TestIndexWriter.java
+++ b/phoenix-core/src/test/java/org/apache/phoenix/hbase/index/write/TestIndexWriter.java
@@ -145,7 +145,7 @@
     Abortable abort = new StubAbortable();
     Stoppable stop = Mockito.mock(Stoppable.class);
     // single thread factory so the older request gets queued
-    ExecutorService exec = Executors.newFixedThreadPool(1);
+    ExecutorService exec = Executors.newFixedThreadPool(3);
     Map<ImmutableBytesPtr, HTableInterface> tables = new HashMap<ImmutableBytesPtr, HTableInterface>();
     FakeTableFactory factory = new FakeTableFactory(tables);