PI93968: WCM TAGS ARE NOT PARSED PROPERLY IF INNER AND OUTER ATTRIBUTE VALUES ARE WRAPPED WITH THE SAME QUOTE MARKS

APAR status

• Closed as program error.

Error description

• When WCM Component Extensions are embedded in attribute values
  
  of other component extensions and both the parent component
  
  extension and the embedded component extension's attribute
  
  values are delimited with the same delimiting Quote marks
  
  (SINGLE_QUOTE=' DOUBLE_QUOTE=")
  
  
  
  Cause:
  
  The parser was not designed to work with single or multiple
  
  levels of embedded component extensions when the inner
  
  (embedded) and outer (parent) attribute values are delimited
  
  with the same Quotation Mark delimiters (SINGLE_QUOTES=') and
  
  (DOUBLE_QUOTES=")
  
  
  
  The Parse error out while parsing the inner matching
  
  SINGLE_QOUTE or DOUBLE_QUOTE Delimiter before parsing the
  
  complete value of the out attribute.  This then generates the
  
  rest of the Component extension markup as html and prevent the
  
  resolver from properly rendering the Component Extension Markup
  
  
  Troubleshooting the problem
  
  From the Customer test cases found in wcm library export name
  
  "WCM Quotes" with the setup as follows
  
  Site Area: basic
  
  Content : basic
  
  Content fields
  
  name="dateStart" type="Date" Value="Aug 31, 2017, 6:00:00 PM
  
  Eastern Daylight Time"
  
  name="dateEnd" type="Date" Value="Sep 9, 2017, 6:00:00 PM
  
  Eastern Daylight Time"
  
  
  
  Sample Presentation Template markup that does not properly get
  
  parsed
  
  Presentation Template
  
  name="basic"
  
  Markup
  
  With Equals, with quotes (",","):
  
  [Plugin:Equals text1="true" text2="[Plugin:EvaluateEL
  
  value="${[Element context="current" type="content"
  
  format="yyyyMMdd" key="dateEnd"] ge [Element context="current"
  
  type="content" format="yyyyMMdd" key="dateStart"]}"]"]
  
  true
  
  [/Plugin:Equals]
  
  [Plugin:Otherwise]
  
  false
  
  [/Plugin:Otherwise]
  
  
  
  When previewing the presentation template using sitearea
  
  name="basic" the following was rendered
  
  
  
  With Equals, with quotes (",","): [Plugin:Equals text1="true"
  
  text2="[Plugin:EvaluateEL value="${20170910 ge 20170901}"]"]
  
  true [/Plugin:Equals]
  
  
  
  The trace logs with trace string
  
  com.aptrix.pluto.cmpnt.codec.*=all generated the following
  
  messages
  
  [2/19/18 14:41:19:253 EST] 00000106 SXMLParser    3   At line 2
  : Tag not complete, expecting equal sign.
  
  [2/19/18 14:41:19:253 EST] 00000106 SXMLParser    3   At line 2
  : Tag not complete, expecting equal sign.
  
  
  
  After the fix after fix the save is successful and it does not
  
  generate the "Tag not complete" messages
  
  
  
  And the preview of the presenation template renders as follows
  
  With Equals, with quotes (",","): true
  

Local fix

• 1. Add additional wcm html components containing the embedded
  
  inner tags and add the lower level components to the higher
  
  level components such that there are not multiple levels of
  
  inner component extension tags in the markup in the html
  
  components and add them to the main presentation template
  
  markup.
  

Problem summary

• When WCM Component Extensions are embedded in attribute values
  
  of other component extensions and both the parent component
  
  extension and the embedded component extension's attribute
  
  values are delimited with the same delimiting Quote marks
  
  (SINGLE_QUOTE=' DOUBLE_QUOTE=")
  
  
  
  Cause:
  
  The parser was not designed to work with single or multiple
  
  levels of embedded component extensions when the inner
  
  (embedded) and outer (parent) attribute values are delimited
  
  with the same Quotation Mark delimiters (SINGLE_QUOTES=') and
  
  (DOUBLE_QUOTES=")
  
  
  
  The Parse error out while parsing the inner matching
  
  SINGLE_QOUTE or DOUBLE_QUOTE Delimiter before parsing the
  
  complete value of the out attribute.  This then generates the
  
  rest of the Component extension markup as html and prevent the
  
  resolver from properly rendering the Component Extension Markup
  
  
  Troubleshooting the problem
  
  From the Customer test cases found in wcm library export name
  
  "WCM Quotes" with the setup as follows
  
  Site Area: basic
  
  Content : basic
  
  Content fields
  
  name="dateStart" type="Date" Value="Aug 31, 2017, 6:00:00 PM
  
  Eastern Daylight Time"
  
  name="dateEnd" type="Date" Value="Sep 9, 2017, 6:00:00 PM
  
  Eastern Daylight Time"
  
  
  
  Sample Presentation Template markup that does not properly get
  
  parsed
  
  Presentation Template
  
  name="basic"
  
  Markup
  
  With Equals, with quotes (",","):
  
  [Plugin:Equals text1="true" text2="[Plugin:EvaluateEL
  
  value="${[Element context="current" type="content"
  
  format="yyyyMMdd" key="dateEnd"] ge [Element context="current"
  
  type="content" format="yyyyMMdd" key="dateStart"]}"]"]
  
  true
  
  [/Plugin:Equals]
  
  [Plugin:Otherwise]
  
  false
  
  [/Plugin:Otherwise]
  
  
  
  When previewing the presentation template using sitearea
  
  name="basic" the following was rendered
  
  
  
  With Equals, with quotes (",","): [Plugin:Equals text1="true"
  
  text2="[Plugin:EvaluateEL value="${20170910 ge 20170901}"]"]
  
  true [/Plugin:Equals]
  
  
  
  The trace logs with trace string
  
  com.aptrix.pluto.cmpnt.codec.*=all generated the following
  
  messages
  
  [2/19/18 14:41:19:253 EST] 00000106 SXMLParser    3   At line 2
  : Tag not complete, expecting equal sign.
  
  [2/19/18 14:41:19:253 EST] 00000106 SXMLParser    3   At line 2
  : Tag not complete, expecting equal sign.
  
  
  
  After the fix after fix the save is successful and it does not
  
  generate the "Tag not complete" messages
  
  
  
  And the preview of the presenation template renders as follows
  
  With Equals, with quotes (",","): true
  

Problem conclusion

• Resolving the Problem:
  
  A code change was made to the SXML Parser that now allows for
  
  parsing multiple levels of inner component extension tag using
  
  the same quote delimiters for the inner (embedded) and outer
  (parent) attribute values
  
  
  A code fix for this issue is integrated into the WebSphere
  Portal & WCM Combined Cumulative Fix 16 (PI91150) for Portal 8.5
  and 9.0 available from Fix Central:
  
  
  http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent
  =ibm/WebSphere&product=ibm/WebSphere/WebSphere+Portal&release=Al
  l&platform=All&function=aparId&apars=PI91150
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  WEBSPHERE PORTA

• Fixed component ID

  5724E7600

Applicable component levels

• R850 PSY

     UP