[jboss-jira] [JBoss JIRA] (DROOLS-909) KIE 6.2 Web: when using String functions like "toLowerCase" or "ToUpperCase" as part of rule, rule do not compile

[Eido Reshef (JIRA)]

Eido Reshef created DROOLS-909:
----------------------------------

             Summary: KIE 6.2 Web: when using String functions like "toLowerCase" or "ToUpperCase" as part of rule, rule do not compile
                 Key: DROOLS-909
                 URL: https://issues.jboss.org/browse/DROOLS-909
             Project: Drools
          Issue Type: Bug
          Components: kie server
    Affects Versions: 6.2.0.Final
         Environment: No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 12.04 LTS
Release:        12.04
Codename:       precise

CPU: 

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 44
model name      : Intel(R) Xeon(R) CPU           X5675  @ 3.07GHz
stepping        : 2
microcode       : 0x15
cpu MHz         : 3066.775
cache size      : 12288 KB
fpu             : yes
fpu_exception   : yes
cpuid level     : 11
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts nopl xtopology tsc_reliable nonstop_tsc aperfmperf pni pclmulqdq ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor lahf_lm ida arat epb dts
bogomips        : 6133.55
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management:

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 6
model           : 44
model name      : Intel(R) Xeon(R) CPU           X5675  @ 3.07GHz
stepping        : 2
microcode       : 0x15
cpu MHz         : 3066.775
cache size      : 12288 KB
fpu             : yes
fpu_exception   : yes
cpuid level     : 11
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts nopl xtopology tsc_reliable nonstop_tsc aperfmperf pni pclmulqdq ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor lahf_lm ida arat epb dts
bogomips        : 6133.55
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management:

processor       : 2
vendor_id       : GenuineIntel
cpu family      : 6
model           : 44
model name      : Intel(R) Xeon(R) CPU           X5675  @ 3.07GHz
stepping        : 2
microcode       : 0x15
cpu MHz         : 3066.775
cache size      : 12288 KB
fpu             : yes
fpu_exception   : yes
cpuid level     : 11
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts nopl xtopology tsc_reliable nonstop_tsc aperfmperf pni pclmulqdq ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor lahf_lm ida arat epb dts
bogomips        : 6133.55
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management:

processor       : 3
vendor_id       : GenuineIntel
cpu family      : 6
model           : 44
model name      : Intel(R) Xeon(R) CPU           X5675  @ 3.07GHz
stepping        : 2
microcode       : 0x15
cpu MHz         : 3066.775
cache size      : 12288 KB
fpu             : yes
fpu_exception   : yes
cpuid level     : 11
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts nopl xtopology tsc_reliable nonstop_tsc aperfmperf pni pclmulqdq ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor lahf_lm ida arat epb dts
bogomips        : 6133.55
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management:



Tomcat : apache-tomcat-8.0.24
KIE: kie-drools-wb-distribution-wars-6.2.0.Final-tomcat7.war
Java: java version "1.7.0_79"

            Reporter: Eido Reshef
            Assignee: Edson Tirelli
         Attachments: CameraObj.JPG, CameraRuleGuided.JPG, CameraRuleGuidedSource.JPG, CameraRuleGuidedSourceError.JPG

When trying to use "Expression editor" in the guided rule screen of the web app, combining with restrictions on String fields which use functions like "toLowerCase" , "toUpperCase" - 
Expression editor leaves a blanc field to fill and if left blanc - KIE automatically fill it with "" - and rule doesn't get compiled.

So instead of getting for example;
1.	|	package ido.droolsrules.dqsrulesqa;
2.	|	
3.	|	import java.lang.Number;
4.	|	
5.	|	rule "Test Camera Model"
6.	|	    dialect "mvel"
7.	|	    when
8.	|	        cam1 : Camera( brand.toLowerCase() == "sony" )
9.	|	    then
10.	|	        cam1.setLens( 5.0 );
11.	|	end

Rule is generated (In source tab) as:

1.	|	package ebay.droolsrules.dqsrulesqa;
2.	|	
3.	|	import java.lang.Number;
4.	|	
5.	|	rule "Test Camera Model"
6.	|	    dialect "mvel"
7.	|	    when
8.	|	        cam1 : Camera( brand.toLowerCase("") == "sony" )
9.	|	    then
10.	|	        cam1.setLens( 5.0 );
11.	|	end


view line 8 to spot difference.




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