Initilaize bloom filter pages before using them.
diff --git a/hyracks/hyracks-storage-am-bloomfilter/src/main/java/edu/uci/ics/hyracks/storage/am/bloomfilter/impls/BloomFilter.java b/hyracks/hyracks-storage-am-bloomfilter/src/main/java/edu/uci/ics/hyracks/storage/am/bloomfilter/impls/BloomFilter.java
index fbece8b..f220154 100644
--- a/hyracks/hyracks-storage-am-bloomfilter/src/main/java/edu/uci/ics/hyracks/storage/am/bloomfilter/impls/BloomFilter.java
+++ b/hyracks/hyracks-storage-am-bloomfilter/src/main/java/edu/uci/ics/hyracks/storage/am/bloomfilter/impls/BloomFilter.java
@@ -223,6 +223,8 @@
             while (currentPageId <= numPages) {
                 ICachedPage page = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, currentPageId), true);
                 page.acquireWriteLatch();
+                page.getBuffer().clear();
+                page.getBuffer().put(new byte[bufferCache.getPageSize()]);
                 bloomFilterPages.add(page);
                 ++currentPageId;
             }