Sean Busbey
3d4639f34d
HBASE-17522 Handle JVM throwing runtime exceptions when we ask for details on heap usage the same as a correctly returned 'undefined'.
Signed-off-by: Michael Stack <stack@apache.org>
Conflicts:
hbase-common/src/main/java/org/apache/hadoop/hbase/io/util/HeapMemorySizeUtil.java
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CacheConfig.java
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/MemStoreFlusher.java
hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestCacheConfig.java
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestDefaultMemStore.java