[rules-users] drools-ant task and java.lang.ClassCastException: org.drools.reteoo.ReteooRuleBase

[Ojwang Wilson O]

Mark,

Thanks for your response. I will open jira.

Regards
Wilson


Mark Proctor wrote:
> no don't think so, please open a jira and we will fix this for 4.0.8.
>
> Mark
> Ojwang Wilson O wrote:
>> All,
>>
>> I was succesfull in building rules pkg from drl using drools-ant 
>> task, but when I used the generated pkg in the code below
>>
>> =============
>>            File rulesDir = new 
>> File("/home/droolsuser/workspace_ant/AntDroolsTest/build/pkgrules/");
>>            String rulesdir = rulesDir.getAbsolutePath();
>>            Properties prop = new Properties();
>>            //prop.setProperty("file", ruleFile);
>>            prop.setProperty("dir",rulesdir);
>>            prop.setProperty("newInstance", "false");
>>            prop.setProperty("localCacheDir", ".");
>>            prop.setProperty("poll", "300"); // poll every 300 seconds 
>> for hot deployment.
>>                      //Get a new RuleBase using these properties
>>            RuleAgent agent = RuleAgent.newRuleAgent(prop); 
>> -------------------->Error line
>>            RuleBase ruleBase = agent.getRuleBase();
>> ==========
>>
>> I encountered the following error.
>> =========
>>     [java] RuleAgent(default) INFO (Mon Jul 07 18:58:30 CDT 2008): 
>> Configuring with newInstance=false, secondsToRefresh=300
>>     [java] RuleAgent(default) INFO (Mon Jul 07 18:58:30 CDT 2008): 
>> Configuring package provider : DirectoryScanner scanning dir: 
>> /home/droolsuser/workspace_ant/AntDroolsTest/build/pkgrules found 1 
>> file(s).
>>     [java] java.lang.ClassCastException: 
>> org.drools.reteoo.ReteooRuleBase cannot be cast to 
>> org.drools.rule.Package
>>     [java]     at 
>> org.drools.agent.FileScanner.readPackage(FileScanner.java:112)
>>     [java]     at 
>> org.drools.agent.FileScanner.getChangeSet(FileScanner.java:79)
>>     [java]     at 
>> org.drools.agent.FileScanner.loadPackageChanges(FileScanner.java:57)
>>     [java]     at 
>> org.drools.agent.DirectoryScanner.loadPackageChanges(DirectoryScanner.java:43) 
>>
>>     [java]     at 
>> org.drools.agent.RuleAgent.checkForChanges(RuleAgent.java:330)
>>     [java]     at 
>> org.drools.agent.RuleAgent.refreshRuleBase(RuleAgent.java:298)
>>     [java]     at 
>> org.drools.agent.RuleAgent.configure(RuleAgent.java:284)
>>     [java]     at org.drools.agent.RuleAgent.init(RuleAgent.java:208)
>>     [java]     at 
>> org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:176)
>>     [java]     at 
>> org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:148)
>> =====
>>
>> In looking at 4.0.7 code, the  RuleBase object in ant task 
>> org.drools.contrib.DroolsCompilerAntTask is serialized, but the p1_ = 
>> (Package) in.readObject(); in the class org.drools.agent.FileScanner 
>> is not.
>>
>> Any solution around this problem?
>>
>> Thanks in advance for your professional help.
>>
>> Regards
>> Wilson
>>
>>
>>
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>
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