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Re: [xmlblaster] XPATH problem
Hi Alexey,
I finally was able to reproduce the error. It works on jdk1.4 but not on
jdk1.5. It seems there is a bug removing which empties some of the key
attributes (that's why you got a hit with id='')
Regards
Michele
We will investigate it further and fix it.
Гришков Алексей wrote:
> Hello Michele,
> sorry, but your example isn't work at my computer...
> I get this response:
>
> <!-- __________________________________ connect response
> _____________________ -
> ->
> <connect>
> <qos>
> <securityService type="htpasswd" version="1.0"><![CDATA[
> <user>thealex</user>
> <passwd>secret</passwd>
> ]]></securityService>
> <instanceId>/xmlBlaster/node/leha/instanceId/1139216397811</instanceId>
> <session name='/node/leha/client/thealex/-3' timeout='86400000'
> maxSessions='1
> 0' clearSessions='false' reconnectSameClientOnly='false'
> sessionId='sessionId:19
> 2.168.200.112-null-1139216415752-2035927574-3'/>
> <queue relating='connection' maxEntries='10000000' maxEntriesCache='1000'>
> <address type='SOCKET' dispatchPlugin='undef'>
> <attribute name='localPort'>1438</attribute>
> <attribute name='localHostname'>192.168.200.112</attribute>
> </address>
> </queue>
> <queue relating='subject' type='CACHE' version='1.0'/>
> <queue relating='callback' type='CACHE' version='1.0' maxEntries='1000'
> maxEnt
> riesCache='1000'>
> <callback type='SOCKET' dispatchPlugin='undef'>
> <attribute name='__ContextNode'
> type='String'>/xmlBlaster/node/leha/client/t
> healex/session/-3</attribute>
> </callback>
> </queue>
> </qos>
> </connect>
>
> <!-- __________________________________ publish response
> _____________________ -
> ->
> <publish>
> <qos>
> <key oid='1'/>
> <rcvTimestamp nanos='1139216415924000000'/>
> <isPublish/>
> </qos>
> </publish>
>
> <!-- __________________________________ get response
> _____________________ -->
> <get>
> </get>
>
> <!-- __________________________________ erase response
> _____________________ -->
>
> <erase>
> <qos>
> <key oid='1'/>
> <isErase/>
> </qos>
> </erase>
> [06.02.2006 12:00:46 INFO main XmlBlasterAccess-client/thealex] Successful
> disc
> onnect from /xmlBlaster/node/leha
>
> <!-- __________________________________ disconnect response
> ____________________
> _ -->
> <disconnect>
> true
> </disconnect>
>
> Maybe I configured xmlBlaster wrong?
> Please, help me.
> I work under WinXP SP1, JDK 1.5.0.6, xmlBlaster 1.1.1.
>
> There are a segments of xmlBlaster's dump after publishing:
>
> <XmlKeyDom>
> <xmlBlaster><key oid="__sys__UserList"><__sys__internal/></key><key
> oid="__sys__Login"/><key oid="__sys__Logout"/><key oid="1"><rose><color
> id=""/></rose></key></xmlBlaster>
> </XmlKeyDom>
>
> <TopicHandler id='leha/topic/1' state='ALIVE'>
> ...
> <MsgUnitWrapper id='1/2006-02-03 19:47:17.162' referenceCount='1'
> state='ALIVE'>
>
> <qos>
> <sender>/node/leha/client/thealex/-4</sender>
> <rcvTimestamp nanos='1138985237162000000'/>
> <route>
> <node id='leha' stratum='0' timestamp='1138985237162000000'
> dirtyRead='false'/>
> </route>
> <topic>
> <msgDistributor typeVersion='undef,1.0'/>
> <persistence relating='msgUnitStore' type='CACHE' version='1.0'
> maxEntries='100000000' maxEntriesCache='10000' maxBytes='2147483647'
> maxBytesCache='2097152'/>
> <queue relating='history' type='CACHE' version='1.0' maxEntries='10'
> maxEntriesCache='10'/>
> </topic>
> </qos>
>
> <key oid='1'>
> <rose><color id='green'></color></rose>
> </key>
> <content type='String'>First</content>
> </MsgUnitWrapper>
> <SubscriptionInfo>NO SUBSCRIPTIONS</SubscriptionInfo>
> <newCreated>false</newCreated>
> </TopicHandler>
>
> Do you have the same?
> Maybe there is a problem with XmlKeyDom tree? There is other tree without
> empty attributes and contents in example named "How can i query topics with
> XPath?" in xmlBlaster.org's FAQ.
>
> Tthanks a lot,
> Alexey.
>
> Michele Laghi <laghi at swissinfo.org> wrote:
>> Hi Alexey,
>> I tried it with the script:
>>
>> <!--
>> to test it invoke:
>> java javaclients.script.XmlScript -requestFile xpathTest.xml
>> -->
>>
>> <xmlBlaster>
>> <rose>
>> <color id='green'/>
>> </rose>
>>
>> <connect/>
>> <publish><key oid="1"><rose><color
>> id='green'/></rose></key><content><![CDATA[First]]></content></publish>
>>
>> <wait delay="2000" />
>> <get><key queryType="XPATH">//rose/color[ at id='green']</key><qos/></get>
>>
>> <erase><key oid="1"></key><qos><force/></qos></erase>
>> <wait delay="500" />
>> <disconnect />
>> </xmlBlaster>
>>
>>
>> And it correctly returned the published entry.
>> regards
>> Michele
>>
>>
>> Гришков Алексей wrote:
>>> Hello and sorry for my bad English :)
>>>
>>> I have a problem with getting messages(I use Java and PHP demos and my
>>> own Delphi client).
>>>
>>> For example, I publish message like:
>>>
>>> <rose>
>>> <color id='green'/>
>>> </rose>
>>>
>>> and then trying to get it with XPATH //rose/color[ at id='green'], but
>>> don't receive any matching message.
>>> However, if I subscribing first on this message and then publish it,
>>> it's works!
>>>
>>> And there is something strange. If I use //rose/color[ at id=''] i.e. empty
>>> attributes, it's also works.
>>>
>>> What I do wrong?
>>>
>>> Thanks,
>>> Alexey.
>>>
>>>
>>
>> __________ хМТНПЛЮЖХЪ NOD32 1.1392 (20060202) __________
>>
>> щРН ЯННАЫЕМХЕ ОПНБЕПЕМН юМРХБХПСЯМНИ ЯХЯРЕЛНИ NOD32.
>> http://www.eset.com
>>
>>
>
>
>