Fixed debug message

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2383 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/content/AbstractContentAccessor.java

@@ -88,7 +88,7 @@ public abstract class AbstractContentAccessor implements ContentAccessor
             {
                 StringBuilder sb = new StringBuilder(1024);
                 StackTraceUtil.buildStackTrace(
-                        "UserTransaction being garbage collected without a commit() or rollback().",
+                        "Content IO Channel was opened but not closed",
                         traceLoggerChannelAssignTrace,
                         sb,
                         -1);