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https://issues.apache.org/jira/browse/HBASE-21947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16776851#comment-16776851
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Duo Zhang commented on HBASE-21947:
-----------------------------------
We still use ObjectMapper in our jruby shell... Change to use gson instead.
Will commit if the pre commit is OK to see if the flakey dashboard can be back
to normal on TestShell, as TestShell will not be executed in pre commit...
> TestShell is broken after we remove the jackson dependencies
> ------------------------------------------------------------
>
> Key: HBASE-21947
> URL: https://issues.apache.org/jira/browse/HBASE-21947
> Project: HBase
> Issue Type: Bug
> Components: dependencies, shell
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Fix For: 3.0.0, 2.2.0, 2.3.0
>
> Attachments: HBASE-21947.patch
>
>
> {noformat}
> Error: test_tasksOnHost_should_return_tasks_list(Hbase::TaskMonitorTest):
> NameError: cannot load Java class com.fasterxml.jackson.databind.ObjectMapper
> org/jruby/javasupport/JavaClass.java:286:in `for_name'
> org/jruby/javasupport/JavaUtilities.java:34:in `get_proxy_class'
> uri:classloader:/jruby/java/core_ext/object.rb:49:in `block in java_import'
> org/jruby/RubyArray.java:2486:in `map'
> uri:classloader:/jruby/java/core_ext/object.rb:36:in `java_import'
> /home/jenkins/jenkins-slave/workspace/HBase-Flaky-Tests_master-M6IJIUBEFGBLJA2QZFJ5NFMN4UCZCOJZHSKUZTUZSLWEH6TJXWBQ/hbase-shell/src/main/ruby/hbase/taskmonitor.rb:77:in
> `tasksOnHost'
> src/test/ruby/hbase/taskmonitor_test.rb:33:in `block in
> test_tasksOnHost_should_return_tasks_list'
> 30: filter = 'all'
> 31: hosts = admin.getRegionServers()
> 32: hosts.each do |host|
> => 33: tasks = taskmonitor.tasksOnHost(filter,host)
> 34: assert(tasks.length > 0)
> 35: end
> 36: end
> org/jruby/RubyArray.java:1734:in `each'
> src/test/ruby/hbase/taskmonitor_test.rb:32:in `block in
> test_tasksOnHost_should_return_tasks_list'
> {noformat}
> Seems we are using jackson in hbase-shell.
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