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https://issues.apache.org/jira/browse/HBASE-18880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16195092#comment-16195092
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Hudson commented on HBASE-18880:
--------------------------------
Results for branch HBASE-18467, done in 4 hr 24 min and counting
[build #136 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-18467/136/]:
FAILURE
----
details (if available):
(x) *{color:red}-1 overall{color}*
Committer, please check your recent inclusion of a patch for this issue.
(x) {color:red}-1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-18467/136//General_Nightly_Build_Report/]
(/) {color:green}+1 jdk8 checks{color}
-- For more information [see jdk8
report|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-18467/136//JDK8_Nightly_Build_Report/]
(x) {color:red}-1 source release artifact{color}
-- See build output for details.
> Failed to start rest server if the value of hbase.rest.threads.max is too
> small.
> --------------------------------------------------------------------------------
>
> Key: HBASE-18880
> URL: https://issues.apache.org/jira/browse/HBASE-18880
> Project: HBase
> Issue Type: Bug
> Components: REST
> Affects Versions: 3.0.0, 2.0.0-alpha-4
> Reporter: Guangxu Cheng
> Assignee: Guangxu Cheng
> Priority: Critical
> Fix For: 2.0.0-alpha-4
>
> Attachments: HBASE-18880.master.v0.patch,
> hbase-hbase-rest-locolhost.log, hbase-hbase-rest-locolhost.out,
> jstack-5750.log
>
>
> After HBASE-18224, Jetty has be updated to 9.4.6, and it requires more
> threads to start up.
> If the value of hbase.rest.threads.max is too small, the rest server will
> fail to start.
> What I observed was as follows:
> 1. The process did not exit. (At the beginning, I thought the rest server has
> been start normally because of the process exists.)
> 2. Can't connect to the rest server and I didn't found any exception log in
> ***.log.
> 3. the main thread has exited (jstack log).
> 4. Found the exception information from ***.out.
> {code}
> java.lang.IllegalStateException: Insufficient threads: max=5 <
> needed(acceptors=1 + selectors=8 + request=1)
> at org.eclipse.jetty.server.Server.doStart(Server.java:414)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> at org.apache.hadoop.hbase.rest.RESTServer.main(RESTServer.java:360)
> {code}
> I think the process should exit and log the information in ***.log when it
> happens.
> So that the user can directly discover that the rest server is abnormal.
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