[jboss-jira] [JBoss JIRA] Closed: (JBPM-764) condition expression string is restricted to 255 character length if the process definition is persistent

[Tom Baeyens (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBPM-764?page=all ]

Tom Baeyens closed JBPM-764.
----------------------------

    Resolution: Rejected

I don't think that the expression field should become a clob or other longer text field by default.

The variables should be known in the expression language.  So you should be able to write this shorter notation.  If not file a new bug report for that.

> condition expression string is restricted to 255 character length if the process definition is persistent
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: JBPM-764
>                 URL: http://jira.jboss.com/jira/browse/JBPM-764
>             Project: JBoss jBPM
>          Issue Type: Bug
>          Components: Core Engine
>    Affects Versions:  jBPM 3.1.2
>         Environment: Win XP SP2, JDK 1.5.0_06, JBoss4.0.3SP1, MySQL 5.0.18-nt-max
>            Reporter: Hannes Stillerich
>         Assigned To: Tom Baeyens
>
> The expression of a condition (in a decision node) gets cut up if it is too long (>255 characters), e.g.
>   <decision name="Check Prerequisition">
> 		<transition name="proceed" to="Planning State">
> 	</transition>  
>   	<transition name="rejected" to="Error State">
>  		<condition expression="#{(contextInstance.variables['isCLIaffected'] and !contextInstance.variables['CLI_OK']) or
> 			(contextInstance.variables['isCAaffected'] and !contextInstance.variables['CA_OK']) or
> 			(contextInstance.variables['isCMAaffected'] and !contextInstance.variables['CMA_OK']) or
> 			(contextInstance.variables['isREGENaffected'] and !contextInstance.variables['REGEN_OK']) or
> 			(contextInstance.variables['isSGSNaffected'] and !contextInstance.variables['SGSN_OK']) or
> 			(contextInstance.variables['isRNCaffected'] and !contextInstance.variables['RNC_OK'])}"/>
> 	</transition>    
>   </decision>
> Of course a org.jbpm.JbpmException occures (couldn't evaluate expression) which is cause by org.jbpm.jpdl.el.ELException: Encountered "<EOF>", expected one of [".", ">", "gt", .....
> But if the processdefinition doesn't get loaded from the db, in other words it is directly defined in the code, the expression string can be longer (in this case 539 characters) and the expression works fine.

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