HBASE-27990 BucketCache causes ArithmeticException due to improper blockSize value checking (apache#5389)

Signed-off-by: Duo Zhang <zhangduo@apache.org>

Author: teamconfx

hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.java

@@ -283,6 +283,7 @@ public BucketCache(String ioEngineName, long capacity, int blockSize, int[] buck
   public BucketCache(String ioEngineName, long capacity, int blockSize, int[] bucketSizes,
     int writerThreadNum, int writerQLen, String persistencePath, int ioErrorsTolerationDuration,
     Configuration conf) throws IOException {
+    Preconditions.checkArgument(blockSize > 0, "BucketCache capacity is set to " + blockSize + ", can not be less than 0");
     boolean useStrongRef = conf.getBoolean(STRONG_REF_KEY, STRONG_REF_DEFAULT);
     if (useStrongRef) {
       this.offsetLock = new IdReadWriteLockStrongRef<>();