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https://issues.apache.org/jira/browse/HBASE-17344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ChiaPing Tsai updated HBASE-17344:
----------------------------------
Fix Version/s: 1.3.1
1.4.0
1.3.0
2.0.0
> The regionserver web UIs miss the coprocessors of RegionServerCoprocessorHost.
> ------------------------------------------------------------------------------
>
> Key: HBASE-17344
> URL: https://issues.apache.org/jira/browse/HBASE-17344
> Project: HBase
> Issue Type: Bug
> Reporter: ChiaPing Tsai
> Priority: Minor
> Fix For: 2.0.0, 1.3.0, 1.4.0, 1.3.1
>
>
> The critical code is shown below.
> {code:title=HRegionServer.java|borderStyle=solid}
> public String[] getRegionServerCoprocessors() {
> TreeSet<String> coprocessors = new TreeSet<String>();
> try {
>
> coprocessors.addAll(getWAL(null).getCoprocessorHost().getCoprocessors());
> } catch (IOException exception) {
> LOG.warn("Exception attempting to fetch wal coprocessor information for
> the common wal; " +
> "skipping.");
> LOG.debug("Exception details for failure to fetch wal coprocessor
> information.", exception);
> }
> Collection<Region> regions = getOnlineRegionsLocalContext();
> for (Region region: regions) {
> coprocessors.addAll(region.getCoprocessorHost().getCoprocessors());
> try {
>
> coprocessors.addAll(getWAL(region.getRegionInfo()).getCoprocessorHost().getCoprocessors());
> } catch (IOException exception) {
> LOG.warn("Exception attempting to fetch wal coprocessor information
> for region " + region +
> "; skipping.");
> LOG.debug("Exception details for failure to fetch wal coprocessor
> information.", exception);
> }
> }
> return coprocessors.toArray(new String[coprocessors.size()]);
> }
> {code}
> A case is that the the JMXListener always disappears on the rs web.
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