Fill a new blog's Trackback URL with another existed blog's Trackback URL leads errors

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.2.0 CE RC5, 6.2.0 CE RC6
• Fix Version/s: 6.1.X EE, 6.2.X EE, 7.0.0 M1
• Component/s: Blogs, Collaboration
• Labels:
  • liferay-fixpack-portal-58-6130
  • liferay-fixpack-portal-86-6210
• Environment: Tomcat 7.0 + MySQL 5. Portal master GIT ID: cd450573897fb327293e98b2c583343aab586cf3.
• Branch Version/s:
  6.2.x, 6.1.x
• Backported to Branch:
  Committed
• Story Points: 3
• Fix Priority: 3

Steps to reproduce:

1. Admin > Control Panel > Sites > Liferay.
2. Click Blogs.
3. Add a blog named "test" and publish.
4. Click test and copy the Trackback URL.
5. Add a new blog named "test1" and paste the URL to Trackbacks to Send Box.
6. Click Publish.

Expected result:
You should publish successfully and the console shouldn't show errors.

Actual result:
You can publish the second blog successfully, but the console will show errors.

02:18:05,358 INFO  [http-bio-8080-exec-7][LinkbackProducerUtil:110] Pinging trackback http://localhost:8080/group/control_panel/manage?doAsGroupId=10197&refererPlid=10187&controlPanelCategory=sites/-/blogs/trackback/test
02:18:05,722 ERROR [http-bio-8080-exec-7][BlogsEntryLocalServiceImpl:1605] Error while sending trackback at http://localhost:8080/group/control_panel/manage?doAsGroupId=10197&refererPlid=10187&controlPanelCategory=sites/-/blogs/trackback/test
com.ctc.wstx.exc.WstxParsingException: Received event DTD, instead of START_ELEMENT or END_ELEMENT.__ at [row,col {unknown-source}]: [1,14] [Sanitized]
        at com.ctc.wstx.sr.StreamScanner.constructWfcException(StreamScanner.java:605)
        at com.ctc.wstx.sr.StreamScanner.throwParseError(StreamScanner.java:461)
        at com.ctc.wstx.sr.BasicStreamReader.nextTag(BasicStreamReader.java:1113)
        at com.liferay.portlet.blogs.util.LinkbackProducerUtil.sendTrackback(LinkbackProducerUtil.java:146)
        at com.liferay.portlet.blogs.service.impl.BlogsEntryLocalServiceImpl.pingTrackbacks(BlogsEntryLocalServiceImpl.java:1600)
        at com.liferay.portlet.blogs.service.impl.BlogsEntryLocalServiceImpl.updateStatus(BlogsEntryLocalServiceImpl.java:1219)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at com.liferay.portal.spring.aop.ServiceBeanMethodInvocation.proceed(ServiceBeanMethodInvocation.java:115)
        at com.liferay.portal.spring.transaction.DefaultTransactionExecutor.execute(DefaultTransactionExecutor.java:62)
        at com.liferay.portal.spring.transaction.TransactionInterceptor.invoke(TransactionInterceptor.java:51)
        at com.liferay.portal.spring.aop.ServiceBeanMethodInvocation.proceed(ServiceBeanMethodInvocation.java:111)
        at com.liferay.portal.spring.aop.ServiceBeanAopProxy.invoke(ServiceBeanAopProxy.java:175)
        at com.sun.proxy.$Proxy153.updateStatus(Unknown Source)
        at com.liferay.portlet.blogs.service.BlogsEntryLocalServiceUtil.updateStatus(BlogsEntryLocalServiceUtil.java:829)
        at com.liferay.portlet.blogs.workflow.BlogsEntryWorkflowHandler.updateStatus(BlogsEntryWorkflowHandler.java:62)
        at com.liferay.portlet.blogs.workflow.BlogsEntryWorkflowHandler.updateStatus(BlogsEntryWorkflowHandler.java:1)
        at com.liferay.portal.kernel.workflow.WorkflowHandlerRegistryUtil.startWorkflowInstance(WorkflowHandlerRegistryUtil.java:163)
        at com.liferay.portal.kernel.workflow.WorkflowHandlerRegistryUtil.startWorkflowInstance(WorkflowHandlerRegistryUtil.java:84)
        at com.liferay.portlet.blogs.service.impl.BlogsEntryLocalServiceImpl.addEntry(BlogsEntryLocalServiceImpl.java:211)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at com.liferay.portal.spring.aop.ServiceBeanMethodInvocation.proceed(ServiceBeanMethodInvocation.java:115)
        at com.liferay.portal.spring.transaction.DefaultTransactionExecutor.execute(DefaultTransactionExecutor.java:62)