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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Take a look at Retroweaver (<a
href="http://retroweaver.sourceforge.net/">http://retroweaver.sourceforge.net/</a>).
It compiles Java 5 source to JRE 1.4 classes. I remember there being several
open-source tools like this but I could not find them with a quick search.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I have not used this myself but have plans to integrate it into
my build scripts.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>--Faron.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";
color:windowtext'>From:</span></b><span style='font-size:10.0pt;font-family:
"Tahoma","sans-serif";color:windowtext'> rules-users-bounces@lists.jboss.org
[mailto:rules-users-bounces@lists.jboss.org] <b>On Behalf Of </b>Mark Proctor<br>
<b>Sent:</b> Monday, February 02, 2009 12:23 PM<br>
<b>To:</b> Rules Users List<br>
<b>Subject:</b> Re: [rules-users] Drools 5 m4 in IRAD/Websphere<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><a href="mailto:kfs2@chryslerfinancial.com">kfs2@chryslerfinancial.com</a>
wrote: <o:p></o:p></p>
<p class=MsoNormal><br>
<span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Our application
is stuck with Websphere 6/jdk 1.4. I want to use Guvnor for our rule
management as we have business users editing rules. Would it be possible
to use drools 4.0.7 compiler in the application which would read the rules from
guvnor as source instead of compiled ? I realize that we would have to
avoid rule semantics that are new in drools 5. Could that work or are we
asking for trouble ?</span> <o:p></o:p></p>
<p class=MsoNormal>It won't work out of the box. Given enough time and
resources you could probably make it work.<br>
<br>
<o:p></o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><br>
<span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>My fallback
option is to stand up a jboss server as a rules server and make requests to it
via webservice calls. But I was hoping to have tighter integration
between our application and the rules engine.</span> <br>
<br>
<span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Thanks for any
input. </span> <br>
<br>
<span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>FYI: we trying
to migrate away from our Pega rules engine to drools and I have found drools to
be very refreshing in a number of ways. Thanks for your excellent work.</span>
<br>
<br>
<br>
<br>
<o:p></o:p></p>
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<p class=MsoNormal><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>Mark
Proctor <a href="mailto:mproctor@codehaus.org"><mproctor@codehaus.org></a></span></b><span
style='font-size:7.5pt;font-family:"Arial","sans-serif"'> </span><br>
<span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>Sent by: <a
href="mailto:rules-users-bounces@lists.jboss.org">rules-users-bounces@lists.jboss.org</a></span>
<o:p></o:p></p>
<p><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>01/23/2009
10:33 AM</span> <o:p></o:p></p>
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<p class=MsoNormal align=center style='text-align:center'><span
style='font-size:7.5pt;font-family:"Arial","sans-serif"'>Please respond to<br>
Rules Users List <a href="mailto:rules-users@lists.jboss.org"><rules-users@lists.jboss.org></a></span><o:p></o:p></p>
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<p class=MsoNormal align=right style='text-align:right'><span
style='font-size:7.5pt;font-family:"Arial","sans-serif"'>To</span><o:p></o:p></p>
</td>
<td valign=top style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>Rules
Users List <a href="mailto:rules-users@lists.jboss.org"><rules-users@lists.jboss.org></a></span>
<o:p></o:p></p>
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<p class=MsoNormal align=right style='text-align:right'><span
style='font-size:7.5pt;font-family:"Arial","sans-serif"'>cc</span><o:p></o:p></p>
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<p class=MsoNormal align=right style='text-align:right'><span
style='font-size:7.5pt;font-family:"Arial","sans-serif"'>Subject</span><o:p></o:p></p>
</td>
<td valign=top style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'>Re:
[rules-users] Drools 5 m4 in IRAD/Websphere</span><o:p></o:p></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<br>
<br>
<a href="mailto:kfs2@chryslerfinancial.com">kfs2@chryslerfinancial.com</a>
wrote: <br>
<span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><br>
I've read that Drools is compatible with jdk 1.4 but I get the error below in
IRAD 6 which is jdk version:</span> <span style='font-size:10.0pt;font-family:
"Arial","sans-serif"'><br>
java version "1.4.2"</span> <br>
Drools 4 is JDK1.4 compatible, Drools 5.0 is JDK1.5+ we do not have plans to
backport. <br>
<span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Java(TM) 2
Runtime Environment, Standard Edition (build 1.4.2)</span> <span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'><br>
Classic VM (build 1.4.2, J2RE 1.4.2 IBM Windows 32 build cn142ifx-20060307
(142S</span> <span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><br>
R4-1 + 98226) (JIT enabled: jitc))</span> <br>
<span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><br>
I searched the archives but could not find anything about this. Any
suggestions would be appreciated.</span> <br>
<span style='font-size:10.0pt;font-family:"Courier New";color:red'><br>
The java class could not be loaded. java.lang.UnsupportedClassVersionError:
org/drools/event/KnowledgeRuntimeEventManager (Unsupported major.minor version
49.0)</span> <br>
<span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><br>
Thanks</span> <br>
<span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><br>
Kent</span> <o:p></o:p></p>
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<p class=MsoNormal><span style='font-family:"Courier New"'><br>
<tt>_______________________________________________</tt><br>
<tt>rules-users mailing list</tt><br>
</span><a href="mailto:rules-users@lists.jboss.org"><tt>rules-users@lists.jboss.org</tt></a><span
style='font-family:"Courier New"'><br>
</span><a href="https://lists.jboss.org/mailman/listinfo/rules-users"><tt>https://lists.jboss.org/mailman/listinfo/rules-users</tt></a><span
style='font-family:"Courier New"'><br>
<tt> </tt></span> <br>
<tt><span style='font-size:10.0pt'>_______________________________________________</span></tt><span
style='font-size:10.0pt;font-family:"Courier New"'><br>
<tt>rules-users mailing list</tt><br>
<tt><a href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a></tt><br>
</span><a href="https://lists.jboss.org/mailman/listinfo/rules-users"><tt><span
style='font-size:10.0pt'>https://lists.jboss.org/mailman/listinfo/rules-users</span></tt><span
style='font-size:10.0pt;font-family:"Courier New"'><br>
</span><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span></a>
<br>
<br>
<o:p></o:p></p>
<pre><o:p> </o:p></pre><pre style='text-align:center'>
<hr size=4 width="90%" align=center>
</pre><pre><o:p> </o:p></pre><pre>_______________________________________________<o:p></o:p></pre><pre>rules-users mailing list<o:p></o:p></pre><pre><a
href="mailto:rules-users@lists.jboss.org">rules-users@lists.jboss.org</a><o:p></o:p></pre><pre><a
href="https://lists.jboss.org/mailman/listinfo/rules-users">https://lists.jboss.org/mailman/listinfo/rules-users</a><o:p></o:p></pre><pre> <o:p></o:p></pre>
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