[opencms-dev] OAMP Comments module & Firebird

Georgi Naplatanov gosho at oles.biz
Thu Aug 5 12:09:28 CEST 2010


Hello Yves.

The problem with OAMP Comments module is in OAMP Webform module.

Look at 
http://cvs.opencms.org/viewvc.cgi/alkacon/com.alkacon.opencms.formgenerator/src/com/alkacon/opencms/formgenerator/database/

There is database specific part.

HTH

Best regards
Georgi

Georgi Naplatanov wrote:
> Hello Yves.
> 
>  > How is the status of the jpa-build? Will it be part of the next official
>  > release of OpenCms? :-)
> 
> I don't know. This information should come from Alkacon, but it will be 
> good JPA support to be included at least for modules.
> 
>  > Do you have a solution for this issue of mine:
>  > http://permalink.gmane.org/gmane.comp.cms.opencms.devel/34179 ? :-)
> 
> The comments module use SQL. You should rewrite some queries which 
> contains "LIMIT" keyword. Look at this article 
> (http://scott.yang.id.au/2004/01/limit-in-select-statements-in-firebird/).
> 
> Best regards
> Georgi
> 
> Yves Glodt wrote:
>> Hi Georgi,
>>
>> thanks for the info, that's how I worked around in fact :-)
>>
>> How is the status of the jpa-build? Will it be part of the next official 
>> release of OpenCms? :-)
>>
>> And my last question would be:
>>
>> Do you have a solution for this issue of mine: 
>> http://permalink.gmane.org/gmane.comp.cms.opencms.devel/34179 ? :-)
>>
>>
>> Best regards,
>> Yves
>>
>> On 4 August 2010 12:13, Georgi Naplatanov <gosho at oles.biz 
>> <mailto:gosho at oles.biz>> wrote:
>>
>>     Hello Yves.
>>
>>     Thank you for this bug report.
>>
>>     There is workaround. You can use "Context Menu/History" dialog to
>>     restore online version of resource.
>>
>>     Best regards
>>     Georgi
>>
>>     Yves Glodt wrote:
>>      > Hi Gerogi,
>>      >
>>      > I found a small bug with the jpa-version. I get an exception
>>     everytime I
>>      > do "Undo changes", as follows:
>>      >
>>      > 26 Jul 2010 23:01:25,128 ERROR
>>     [rg.opencms.workplace.CmsDialog:1452] The
>>      > workplace dialog caused an error.
>>      > org.opencms.file.CmsVfsException: Error undoing changes of resource
>>      > "/demo_en/intro.html".
>>      >         at
>>     org.opencms.db.CmsDbContext.throwException(CmsDbContext.java:264)
>>      >         at
>>     org.opencms.db.jpa.CmsDbContext.report(CmsDbContext.java:107)
>>      >         at
>>      >
>>     org.opencms.db.CmsSecurityManager.undoChanges(CmsSecurityManager.java:4876)
>>      >         at
>>      >
>>     org.opencms.file.types.A_CmsResourceType.undoChanges(A_CmsResourceType.java:804)
>>      >         at
>>     org.opencms.file.CmsObject.undoChanges(CmsObject.java:4189)
>>      >         at
>>      >
>>     org.opencms.workplace.commons.CmsUndoChanges.performDialogOperation(CmsUndoChanges.java:489)
>>      >         at
>>      >
>>     org.opencms.workplace.commons.CmsUndoChanges.actionUndoChanges(CmsUndoChanges.java:217)
>>      >         at
>>      >
>>     org.apache.jsp.WEB_002dINF.jsp.offline.system.workplace.commons.undochanges_jsp._jspService(undochanges_jsp.java:137)
>>      >         at
>>      > org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
>>      >         at
>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>>      >         at
>>      >
>>     org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
>>      >         at
>>      >
>>     org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
>>      >         at
>>     org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
>>      >         at
>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>>      >         at
>>      >
>>     org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>>      >         at
>>      >
>>     org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>      >         at
>>      >
>>     org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
>>      >         at
>>      >
>>     org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
>>      >         at
>>      >
>>     org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
>>      >         at
>>      >
>>     org.opencms.flex.CmsFlexRequestDispatcher.includeExternal(CmsFlexRequestDispatcher.java:194)
>>      >         at
>>      >
>>     org.opencms.flex.CmsFlexRequestDispatcher.include(CmsFlexRequestDispatcher.java:169)
>>      >         at
>>     org.opencms.loader.CmsJspLoader.service(CmsJspLoader.java:555)
>>      >         at
>>      >
>>     org.opencms.flex.CmsFlexRequestDispatcher.includeInternalWithCache(CmsFlexRequestDispatcher.java:423)
>>      >         at
>>      >
>>     org.opencms.flex.CmsFlexRequestDispatcher.include(CmsFlexRequestDispatcher.java:173)
>>      >         at
>>      > org.opencms.loader.CmsJspLoader.dispatchJsp(CmsJspLoader.java:829)
>>      >         at
>>     org.opencms.loader.CmsJspLoader.load(CmsJspLoader.java:512)
>>      >         at
>>      >
>>     org.opencms.loader.CmsResourceManager.loadResource(CmsResourceManager.java:1052)
>>      >         at
>>     org.opencms.main.OpenCmsCore.showResource(OpenCmsCore.java:1504)
>>      >         at
>>     org.opencms.main.OpenCmsServlet.doGet(OpenCmsServlet.java:153)
>>      >         at
>>     org.opencms.main.OpenCmsServlet.doPost(OpenCmsServlet.java:166)
>>      >         at
>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
>>      >         at
>>     javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>>      >         at
>>      >
>>     org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>>      >         at
>>      >
>>     org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>      >         at
>>      >
>>     org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>>      >         at
>>      >
>>     org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>>      >         at
>>      >
>>     org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>>      >         at
>>      >
>>     org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>>      >         at
>>      >
>>     org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>>      >         at
>>      >
>>     org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
>>      >         at
>>      >
>>     org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:861)
>>      >         at
>>      >
>>     org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579)
>>      >         at
>>      >
>>     org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1584)
>>      >         at java.lang.Thread.run(Thread.java:619)
>>      > Caused by: java.lang.NullPointerException
>>      >         at
>>      >
>>     org.opencms.db.CmsPublishedResource.<init>(CmsPublishedResource.java:149)
>>      >         at
>>      >
>>     org.opencms.db.CmsPublishedResource.<init>(CmsPublishedResource.java:138)
>>      >         at
>>      >
>>     org.opencms.search.CmsSearchManager$CmsSearchOfflineHandler.reIndexResources(CmsSearchManager.java:262)
>>      >         at
>>      >
>>     org.opencms.search.CmsSearchManager$CmsSearchOfflineHandler.cmsEvent(CmsSearchManager.java:173)
>>      >         at
>>      >
>>     org.opencms.main.CmsEventManager.fireEventHandler(CmsEventManager.java:203)
>>      >         at
>>      > org.opencms.main.CmsEventManager.fireEvent(CmsEventManager.java:126)
>>      >         at org.opencms.main.OpenCms.fireCmsEvent(OpenCms.java:156)
>>      >         at
>>      > org.opencms.db.jpa.CmsVfsDriver.createResource(CmsVfsDriver.java:757)
>>      >         at
>>      >
>>     org.opencms.db.CmsDriverManager.createResource(CmsDriverManager.java:1747)
>>      >         at
>>      >
>>     org.opencms.db.CmsDriverManager.undoContentChanges(CmsDriverManager.java:9544)
>>      >         at
>>      >
>>     org.opencms.db.CmsDriverManager.undoChanges(CmsDriverManager.java:7679)
>>      >         at
>>      >
>>     org.opencms.db.CmsSecurityManager.undoChanges(CmsSecurityManager.java:4874)
>>      >
>>      >
>>      > On 26 May 2010 09:45, Yves Glodt <yg at mind.lu <mailto:yg at mind.lu>
>>     <mailto:yg at mind.lu <mailto:yg at mind.lu>>> wrote:
>>      >
>>      >     I think I found an issue in my code.
>>      >
>>      >     I have a jsp which logs in a user (CmsObject.loginUser()), gets a
>>      >     list of image resources, and displays 3 by random.
>>      >     Now I can imagine the deadlock comes when several people hit the
>>      >     site concurrently.
>>      >
>>      >     I should find a better way to dislpay random resources I guess.
>>      >
>>      >     best regards,
>>      >     yves
>>      >
>>      >
>>      >     On 21 May 2010 09:58, Yves Glodt <yg at mind.lu
>>     <mailto:yg at mind.lu> <mailto:yg at mind.lu <mailto:yg at mind.lu>>> wrote:
>>      >
>>      >         Hi!
>>      >
>>      >         I think there should be no simultaneous logins... But I
>>     can not
>>      >         be sure if some people left a browser somewhere open with a
>>      >         logged session...
>>      >
>>      >         Good news about jpa 2.0, I will wait for that. Hopefully
>>     I can
>>      >         upgrade 7.5.2 by just replacing the relevant jars... :-)
>>      >
>>      >         yves
>>      >
>>      >
>>      >         On 21 May 2010 09:50, Georgi Naplatanov <gosho at oles.biz
>>     <mailto:gosho at oles.biz>
>>      >         <mailto:gosho at oles.biz <mailto:gosho at oles.biz>>> wrote:
>>      >
>>      >             Hello Yves.
>>      >
>>      >             In your case if there are not simultaneous logins
>>     with the
>>      >             same user
>>      >             name, it sounds like a bug.
>>      >
>>      >             These days OpenJPA 2.0 is available and I will build
>>     OpenCms
>>      >             with this
>>      >             version of OpenJPA which contains a lot of bug fixes.
>>      >
>>      >             Best regards
>>      >             Georgi
>>      >
>>      >             Yves Glodt wrote:
>>      >              > Hi Georgi,
>>      >              >
>>      >              > I use only the workplace here.
>>      >              >
>>      >              > On 20 May 2010 14:40, Georgi Naplatanov
>>     <gosho at oles.biz <mailto:gosho at oles.biz>
>>      >             <mailto:gosho at oles.biz <mailto:gosho at oles.biz>>
>>      >              > <mailto:gosho at oles.biz <mailto:gosho at oles.biz>
>>     <mailto:gosho at oles.biz <mailto:gosho at oles.biz>>>> wrote:
>>      >              >
>>      >              >     Hello Yves.
>>      >              >
>>      >              >     OpenCms updates user last login when user
>>     login on.
>>      >              >
>>      >              >     Do you use cms shell or this exception occurs when
>>      >             you use workplace ?
>>      >              >
>>      >              >     Best regards
>>      >              >     Georgi
>>      >              >
>>      >              >     Yves Glodt wrote:
>>      >              >      > Hi Georgii,
>>      >              >      >
>>      >              >      > I am using the jpa-builds with Firebird 2.1
>>     quite
>>      >             intensively, and
>>      >              >      > frequently see this in the logs:
>>      >              >      >
>>      >              >      > SEVERE: Servlet.service() for servlet jsp threw
>>      >             exception
>>      >              >      >
>>     org.apache.openjpa.lib.jdbc.ReportingSQLException:
>>      >             GDS Exception.
>>      >              >      > 335544336. deadlock
>>      >              >      > update conflicts with concurrent update
>>      >              >      > No message for code 335544878 found.
>>      >              >      > null {prepstmnt 1344045115 UPDATE CMS_USERS SET
>>      >             USER_LASTLOGIN =
>>      >              >     ? WHERE
>>      >              >      > USER_ID = ? [params=(long) 1274353716094,
>>     (String)
>>      >              >      > ea551c31-xxxx-yyyy-zzzz-1234567890]}
>>      >             [code=335544336, state=HY000]
>>      >              >      >
>>      >              >      > Do you have an idea where these deadlocks
>>     come from?
>>      >              >      > If you need more details, let me know!
>>      >              >      >
>>      >              >      > best regards,
>>      >              >      > Yves
>>      >              >      >
>>      >              >      > On 21 January 2010 16:17, Achim Westermann
>>      >              >     <achim.westermann at questico.de
>>     <mailto:achim.westermann at questico.de>
>>      >             <mailto:achim.westermann at questico.de
>>     <mailto:achim.westermann at questico.de>>
>>      >             <mailto:achim.westermann at questico.de
>>     <mailto:achim.westermann at questico.de>
>>      >             <mailto:achim.westermann at questico.de
>>     <mailto:achim.westermann at questico.de>>>
>>      >              >      > <mailto:achim.westermann at questico.de
>>     <mailto:achim.westermann at questico.de>
>>      >             <mailto:achim.westermann at questico.de
>>     <mailto:achim.westermann at questico.de>>
>>      >              >     <mailto:achim.westermann at questico.de
>>     <mailto:achim.westermann at questico.de>
>>      >             <mailto:achim.westermann at questico.de
>>     <mailto:achim.westermann at questico.de>>>>> wrote:
>>      >              >      >
>>      >              >      >     Hi Georgi,
>>      >              >      >
>>      >              >      >     that was quick!
>>      >              >      >
>>      >              >      >     thx for sharing your work.
>>      >              >      >
>>      >              >      >     Achim
>>      >              >      >
>>      >              >      >     Georgi Naplatanov wrote:
>>      >              >      >      > binary -
>>      >              >      >      >
>>      >              >      >
>>      >              >
>>      >            
>>     http://os.oles.biz/opencms/jpa-driver/opencms_7.5.2-jpa-2010-01-21.zip
>>      >              >      >      >
>>      >              >      >      > source code -
>>      >              >    
>>     https://opencms-jpa.oles.biz/opencmsjpa/branches/7.5.2/
>>      >              >      >      >
>>      >              >      >      > Best regards
>>      >              >      >      > Georgi
>>      >              >      >      >
>>      >
>>      >
>>      >
>>      >
>>     ------------------------------------------------------------------------
>>      >
>>      >
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