[Mulgara-svn] r2075 - trunk/src/jar/util-xa/java/org/mulgara/store/xa

[pag at mulgara.org]

Author: pag
Date: 2011-12-12 17:32:26 +0000 (Mon, 12 Dec 2011)
New Revision: 2075

Modified:
   trunk/src/jar/util-xa/java/org/mulgara/store/xa/FreeList.java
Log:
Fixed NPE when debug logging FreeList

Modified: trunk/src/jar/util-xa/java/org/mulgara/store/xa/FreeList.java
===================================================================
--- trunk/src/jar/util-xa/java/org/mulgara/store/xa/FreeList.java	2011-11-29 21:29:33 UTC (rev 2074)
+++ trunk/src/jar/util-xa/java/org/mulgara/store/xa/FreeList.java	2011-12-12 17:32:26 UTC (rev 2075)
@@ -1144,6 +1144,7 @@
 
       // record the stack if debug is enabled
       if (logger.isDebugEnabled()) {
+        assert stack != null;
         stack.add(new StackTrace());
       }
 
@@ -1239,6 +1240,7 @@
 
       if ( (token == null) && (refCount > 0)) {
         if (logger.isDebugEnabled()) {
+          assert stack != null;
           logger.info("Lost phase token. Used " + stack.size() + " times:\n" + C.join(stack, "\n\n"));
         }
         refCount = 0;
@@ -1288,6 +1290,8 @@
      * Adds this phase to the phase list of the enclosing FreeList object.
      */
     private void init() {
+      if (logger.isDebugEnabled()) stack = new LinkedList<StackTrace>();
+
       // Caller must be synchronized on FreeList.this.
       firstFree = head;
       reallocate = head;