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https://issues.apache.org/jira/browse/HBASE-19619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16303061#comment-16303061
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Ted Yu commented on HBASE-19619:
--------------------------------
If I use the following for creating Map for merging the peer data:
{code}
data2 = java.util.TreeMap.new(peer_data)
{code}
I got:
{code}
Error:
^[[48;5;16;38;5;226;1mtest_update_peer_config:_can_update_peer_config_and_data(Hbase::ReplicationAdminTest)^[[0m:
Java::JavaLang::ClassCastException: [B cannot be cast to java.lang.Comparable
java.util.TreeMap.compare(java/util/TreeMap.java:1294)
java.util.TreeMap.put(java/util/TreeMap.java:538)
java.util.AbstractMap.putAll(java/util/AbstractMap.java:281)
java.util.TreeMap.putAll(java/util/TreeMap.java:327)
java.util.TreeMap.<init>(java/util/TreeMap.java:185)
java.lang.reflect.Constructor.newInstance(java/lang/reflect/Constructor.java:423)
org.jruby.javasupport.JavaConstructor.newInstanceDirect(org/jruby/javasupport/JavaConstructor.java:278)
org.jruby.RubyClass.newInstance(org/jruby/RubyClass.java:1001)
org.jruby.RubyClass$INVOKER$i$newInstance.call(org/jruby/RubyClass$INVOKER$i$newInstance.gen)
RUBY.update_peer_config(/Users/tyu/trunk/hbase-shell/src/main/ruby/hbase/replication_admin.rb:375)
{code}
> Modify replication_admin.rb to use ReplicationPeerConfigBuilder
> ---------------------------------------------------------------
>
> Key: HBASE-19619
> URL: https://issues.apache.org/jira/browse/HBASE-19619
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Ted Yu
> Priority: Critical
> Attachments: 19619.v1.txt, 19619.v2.txt, 19619.v3.txt
>
>
> Here is the error:
> {code}
> Error:
> test_append_peer_namespaces:_works_with_namespaces_array(Hbase::ReplicationAdminTest):
> Java::JavaLang::UnsupportedOperationException:
> java.util.Collections$UnmodifiableCollection.add(java/util/Collections.java:1055)
> java.lang.reflect.Method.invoke(java/lang/reflect/Method.java:498)
> org.jruby.javasupport.JavaMethod.invokeDirectWithExceptionHandling(org/jruby/javasupport/JavaMethod.java:453)
> org.jruby.javasupport.JavaMethod.invokeDirect(org/jruby/javasupport/JavaMethod.java:314)
> RUBY.block in
> add_peer_namespaces(/home/jenkins/jenkins-slave/workspace/HBase-Flaky-Tests/hbase-shell/src/main/ruby/hbase/replication_admin.rb:226)
> org.jruby.RubyArray.each(org/jruby/RubyArray.java:1734)
> org.jruby.RubyArray$INVOKER$i$0$0$each.call(org/jruby/RubyArray$INVOKER$i$0$0$each.gen)
> RUBY.add_peer_namespaces(/home/jenkins/jenkins-slave/workspace/HBase-Flaky-Tests/hbase-shell/src/main/ruby/hbase/replication_admin.rb:225)
> RUBY.command(/home/jenkins/jenkins-slave/workspace/HBase-Flaky-Tests/hbase-shell/src/main/ruby/shell/commands/append_peer_namespaces.rb:40)
> org.jruby.RubyClass.finvoke(org/jruby/RubyClass.java:522)
> {code}
> The cause was due to adding to UnmodifiableCollection
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