[jira] [Created] (VELOCITY-873) Subtraction without spaces results in parse error

[Alexander Rosenberg (JIRA)]

Alexander Rosenberg created VELOCITY-873:
--------------------------------------------

             Summary: Subtraction without spaces results in parse error
                 Key: VELOCITY-873
                 URL: https://issues.apache.org/jira/browse/VELOCITY-873
             Project: Velocity
          Issue Type: Bug
         Environment: VTL in user macro in Atlassian Confluence 5.9.4
            Reporter: Alexander Rosenberg


This works as expected:
{noformat}
## @noparams

#set ($list = ["a", "b", "c"])
#set ($num = $list.size()+1)
<p>$num</p>
{noformat}

However, changing it to subtraction results in a {{ParseErrorException}}:
{noformat}
## @noparams

#set ($list = ["a", "b", "c"])
#set ($num = $list.size()-1)
<p>$num</p>
{noformat}

The error message given in atlassian-confluence.log:
{noformat}
org.apache.velocity.exception.ParseErrorException: Encountered "-1" at 
getRenderedContent[line 4, column 26]
Was expecting one of:
    <RPAREN> ...
    <WHITESPACE> ...
    "-" ...
    "+" ...
    "*" ...
    "/" ...
    "%" ...
    <LOGICAL_AND> ...
    <LOGICAL_OR> ...
    <LOGICAL_LT> ...
    <LOGICAL_LE> ...
    <LOGICAL_GT> ...
    <LOGICAL_GE> ...
    <LOGICAL_EQUALS> ...
    <LOGICAL_NOT_EQUALS> ...
    <DOT> ...

        at 
org.apache.velocity.runtime.RuntimeInstance.evaluate(RuntimeInstance.java:1202)
        at 
org.apache.velocity.runtime.RuntimeInstance.evaluate(RuntimeInstance.java:1164)
        at 
org.apache.velocity.app.VelocityEngine.evaluate(VelocityEngine.java:219)
        at 
com.atlassian.confluence.util.velocity.VelocityUtils.writeRenderedContent(VelocityUtils.java:148)
        at 
com.atlassian.confluence.util.velocity.VelocityUtils.getRenderedContent(VelocityUtils.java:130)
        at 
com.atlassian.confluence.util.velocity.VelocityUtils.getRenderedContent(VelocityUtils.java:117)
        at 
com.atlassian.confluence.util.velocity.VelocityUtils.getRenderedContent(VelocityUtils.java:113)
        at 
com.atlassian.confluence.macro.GenericVelocityMacro.execute(GenericVelocityMacro.java:101)
{noformat}



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