From 5c4ad4c01c8887ec3d43d89605a82f7e0dee9375 Mon Sep 17 00:00:00 2001
From: Leone Parise <leone.parise@gmail.com>
Date: Tue, 30 Jun 2015 01:01:35 -0300
Subject: [PATCH] Resolve NullPointerException on JtaTransacionManager

---
 .../server/transaction/JdbcTransaction.java          | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/main/java/com/avaje/ebeaninternal/server/transaction/JdbcTransaction.java b/src/main/java/com/avaje/ebeaninternal/server/transaction/JdbcTransaction.java
index f6485b4fe..ff63c2830 100644
--- a/src/main/java/com/avaje/ebeaninternal/server/transaction/JdbcTransaction.java
+++ b/src/main/java/com/avaje/ebeaninternal/server/transaction/JdbcTransaction.java
@@ -115,7 +115,7 @@ public class JdbcTransaction implements SpiTransaction {
   /**
    * Set to true if the connection has autoCommit=true initially.
    */
-  protected final boolean autoCommit;
+  protected boolean autoCommit;
 
   protected IdentityHashMap<Object, Object> persistingBeans;
 
@@ -146,11 +146,13 @@ public class JdbcTransaction implements SpiTransaction {
       this.batchOnCascadeMode = manager == null ? PersistBatch.NONE : manager.getPersistBatchOnCascade();
       this.onQueryOnly = manager == null ? OnQueryOnly.ROLLBACK : manager.getOnQueryOnly();
       this.persistenceContext = new DefaultPersistenceContext();
-      this.autoCommit = connection.getAutoCommit();
-      if (this.autoCommit) {
-        connection.setAutoCommit(false);
+      
+      if (connection != null) {
+        this.autoCommit = connection.getAutoCommit();
+        if (this.autoCommit) {
+          connection.setAutoCommit(false);
+        }
       }
-
     } catch (Exception e) {
       throw new PersistenceException(e);
     }