[Bigdata-commit] SF.net SVN: bigdata:[8015] branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/ com/bigdata/sparse/GlobalRowStoreHelper.java

[<tho...@us...>]

Revision: 8015
          http://sourceforge.net/p/bigdata/code/8015
Author:   thompsonbry
Date:     2014-03-24 15:41:50 +0000 (Mon, 24 Mar 2014)
Log Message:
-----------
Bug fix to the GRS to protect the index with an UnisolatedReadWriteIndex along all code paths. This is only a partial fix for the reported problem.  I am committing this change to CI for feedback before committing through the NSS specific modifications.

See #867 (NSS concurrency problem with list namespaces and create namespace)

Modified Paths:
--------------
    branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/sparse/GlobalRowStoreHelper.java

Modified: branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/sparse/GlobalRowStoreHelper.java
===================================================================
--- branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/sparse/GlobalRowStoreHelper.java	2014-03-24 01:34:33 UTC (rev 8014)
+++ branches/BIGDATA_RELEASE_1_3_0/bigdata/src/java/com/bigdata/sparse/GlobalRowStoreHelper.java	2014-03-24 15:41:50 UTC (rev 8015)
@@ -74,9 +74,17 @@
 
         if (globalRowStore == null) {
 
-            IIndex ndx = indexManager.getIndex(GLOBAL_ROW_STORE_INDEX,
-                    ITx.UNISOLATED);
-
+            /**
+             * The GRS view needs to be protected by an
+             * UnisolatedReadWriteIndex.
+             * 
+             * @see <a href="http://trac.bigdata.com/ticket/867"> NSS
+             *      concurrency problem with list namespaces and create
+             *      namespace </a>
+             */
+            IIndex ndx = AbstractRelation.getIndex(indexManager,
+                    GLOBAL_ROW_STORE_INDEX, ITx.UNISOLATED);
+            
             if (ndx == null) {
 
                 if (log.isInfoEnabled())

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