drools-legacy

Jboss Application Server, Jboss, javassist Dynamic Bean Creation

Details

  • Type: Wish Wish
  • Status: Open Open
  • Priority: Major Major
  • Resolution: Unresolved
  • Affects Version/s: None
  • Fix Version/s: None
  • Component/s: all
  • Labels:
    None
  • Environment:
    JDK1.6
    JBoss Application Server v4.2
    Drools 4.7
    javassist
  • Testcase included:
    yes
  • Number of attachments :
    2

Description

The issues is this guys i am creating a bean dynamically in this simple example i have an arraylist of strings which will create a private field, and a getXXX and a setXXX method for each of these fields

The problem arises when i try to load the .drl file in the package builder which gives me the follow error (SEE BELOW)

I suspect it has something to do with the class loader or the package structure in the rules?

Any suggestion reading material or help would be greatly usefull
the code i have loaded is a simple application which replicates the error

22:20:59,435 ERROR [STDERR] Unable to create Field Extractor for 'name' of '[ClassObjectType class=com.beancreation.personXYZ]' in rule 'Credit Allowed' : [Rule name=Credit Allowed, agendaGroup=MAIN, salience=0, no-loop=false]
22:20:59,435 ERROR [STDERR] Rule Compilation error : [Rule name=Credit Allowed, agendaGroup=MAIN, salience=0, no-loop=false]
com/beancreation/Rule_Credit_Allowed_0.java (1:0) : The type java.lang.Object cannot be resolved. It is indirectly referenced from required .class files
com/beancreation/Rule_Credit_Allowed_0.java (1:8) : The package com.beancreation collides with a type
com/beancreation/Rule_Credit_Allowed_0.java (2:34) : The import com.beancreation cannot be resolved
22:20:59,435 INFO [STDOUT] Could not parse knowledge.
22:20:59,435 ERROR [STDERR] java.lang.IllegalArgumentException: Could not parse knowledge.
22:20:59,435 ERROR [STDERR] at com.expertsystem.DroolsExecution.loadRules(DroolsExecution.java:49)
22:20:59,435 ERROR [STDERR] at com.create.TestCase.run(TestCase.java:52)
22:20:59,445 ERROR [STDERR] at org.apache.jsp.index_jsp._jspService(index_jsp.java:74)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
22:20:59,445 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:373)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:336)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
22:20:59,445 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
22:20:59,445 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
22:20:59,445 ERROR [STDERR] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
22:20:59,445 ERROR [STDERR] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
22:20:59,445 ERROR [STDERR] at java.lang.Thread.run(Thread.java:619)
22:20:59,445 ERROR [STDERR] java.lang.IllegalArgumentException: Could not parse knowledge.
22:20:59,445 ERROR [STDERR] at com.expertsystem.DroolsExecution.loadRules(DroolsExecution.java:49)
22:20:59,445 ERROR [STDERR] at com.create.TestCase.run(TestCase.java:52)
22:20:59,445 ERROR [STDERR] at org.apache.jsp.index_jsp._jspService(index_jsp.java:74)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
22:20:59,445 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:373)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:336)
22:20:59,445 ERROR [STDERR] at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
22:20:59,445 ERROR [STDERR] at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
22:20:59,445 ERROR [STDERR] at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
22:20:59,445 ERROR [STDERR] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
22:20:59,445 ERROR [STDERR] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
22:20:59,445 ERROR [STDERR] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
22:20:59,445 ERROR [STDERR] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
22:20:59,445 ERROR [STDERR] at java.lang.Thread.run(Thread.java:619)

  1. File
    rules2.drl
    27/Mar/09 11:59 AM
    0.2 kB
    Shawn Ritchie
  2. File
    SampleApp.rar
    27/Mar/09 11:59 AM
    14 kB
    Shawn Ritchie

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  • Assignee:
    Unassigned
    Reporter:
    Shawn Ritchie
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  • Created:
    Updated: