[ 
https://issues.apache.org/jira/browse/QPID-8344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16895123#comment-16895123
 ] 

ASF subversion and git services commented on QPID-8344:
-------------------------------------------------------

Commit 63c674bddd504b3eb160c66040b66f9994190286 in qpid-broker-j's branch 
refs/heads/7.1.x from Alex Rudyy
[ https://gitbox.apache.org/repos/asf?p=qpid-broker-j.git;h=63c674b ]

QPID-8344: [Broker-J] Fix link registry dump generation

(cherry picked from commit 679d577b5ed1a25ff75035922a07813227c844bd)


> [Broker-J] Generation of virtal host registry dump fails
> --------------------------------------------------------
>
>                 Key: QPID-8344
>                 URL: https://issues.apache.org/jira/browse/QPID-8344
>             Project: Qpid
>          Issue Type: Bug
>          Components: Broker-J
>    Affects Versions: qpid-java-broker-7.1.0, qpid-java-broker-7.1.1, 
> qpid-java-broker-7.1.2, qpid-java-broker-7.1.3, qpid-java-broker-7.1.4
>            Reporter: Alex Rudyy
>            Priority: Major
>             Fix For: qpid-java-broker-7.1.5
>
>
> Generation of link registry dump fail with the following stack trace
> {noformat}
> 2019-07-20 18:44:44,378 WARN  [qtp505675560-137] 
> (o.a.q.s.m.p.s.r.AbstractServlet) - Unexpected exception processing request
> com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer 
> found for class 
> org.apache.qpid.server.protocol.v1_0.LinkRegistryImpl$LinkRegistryDump$ContainerDump
>  and no properties discovered to create BeanSerializer (to avoid exception, 
> disable SerializationFeature.FAIL_ON_EMPTY_BEANS) (through reference chain: 
> java.util.Collections$SingletonMap["containers"]->java.util.Collections$UnmodifiableMap["testContainer-31"])
>         at 
> com.fasterxml.jackson.databind.exc.InvalidDefinitionException.from(InvalidDefinitionException.java:77)
>         at 
> com.fasterxml.jackson.databind.SerializerProvider.reportBadDefinition(SerializerProvider.java:1191)
>         at 
> com.fasterxml.jackson.databind.DatabindContext.reportBadDefinition(DatabindContext.java:313)
>         at 
> com.fasterxml.jackson.databind.ser.impl.UnknownSerializer.failForEmpty(UnknownSerializer.java:71)
>         at 
> com.fasterxml.jackson.databind.ser.impl.UnknownSerializer.serialize(UnknownSerializer.java:33)
>         at 
> com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:722)
>         at 
> com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:643)
>         at 
> com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:33)
>         at 
> com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:722)
>         at 
> com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:643)
>         at 
> com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:33)
>         at 
> com.fasterxml.jackson.databind.ser.DefaultSerializerProvider._serialize(DefaultSerializerProvider.java:480)
>         at 
> com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:319)
>         at 
> com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:3906)
>         at 
> com.fasterxml.jackson.databind.ObjectMapper.writeValue(ObjectMapper.java:3177)
>         at 
> org.apache.qpid.server.protocol.v1_0.LinkRegistryImpl$LinkRegistryDump.write(LinkRegistryImpl.java:279)
>         at 
> org.apache.qpid.server.management.plugin.servlet.rest.AbstractServlet.writeTypedContent(AbstractServlet.java:296)
>         at 
> org.apache.qpid.server.management.plugin.servlet.rest.RestServlet.sendResponse(RestServlet.java:251)
>         at 
> org.apache.qpid.server.management.plugin.servlet.rest.RestServlet.doGet(RestServlet.java:119)
>         at 
> org.apache.qpid.server.management.plugin.servlet.rest.AbstractServlet.doGet(AbstractServlet.java:128)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
> {noformat} 



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