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https://issues.apache.org/jira/browse/HBASE-12393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14191995#comment-14191995
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stack commented on HBASE-12393:
-------------------------------
[~chia7712] You are right. UI should keep going regardless. Attach a patch w/
your fix above and we'll get it in.
> The regionserver web will throw exception if we disable block cache
> -------------------------------------------------------------------
>
> Key: HBASE-12393
> URL: https://issues.apache.org/jira/browse/HBASE-12393
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.98.7
> Environment: ubuntu 12.04 64bits, hadoop-2.2.0, hbase-0.98.7-hadoop2
> Reporter: ChiaPing Tsai
> Priority: Minor
>
> The CacheConfig.getBlockCache() will return the null point when we set
> hfile.block.cache.size to zero.
> It caused the BlockCacheTmplImpl.java:123 to throw null exception.
> {code}
> org.jamon.escaping.Escaping.HTML.write(org.jamon.emit.StandardEmitter.valueOf(StringUtils.humanReadableInt(cacheConfig.getBlockCache().size())),
> jamonWriter);
> {code}
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