<br><font size=2 face="Trebuchet MS">Hi Greg !!</font>
<br>
<br><font size=2 face="Trebuchet MS">Now I am able to run the application
from command prompt. You were right, the problem was of bootstrap class
path.</font>
<br><font size=2 face="Trebuchet MS">Thank you so much...................I
really appreciate your help.</font>
<br><font size=2 face="Trebuchet MS">Now we can close this thread.......</font>
<br>
<br><font size=2 face="Trebuchet MS">Thanks & Regards:<br>
<br>
Pankaj Jain | L&T infotech |Navi Mumbai<br>
Mobile: +91 9920218945<br>
Email : pankaj.jain@lntinfotech.com<br>
www.Lntinfotech.com<br>
<br>
"Whatever the mind of man can conceive & believe, it can achieve."<br>
<b><br>
Larsen & Toubro Infotech Ltd.</b></font><font size=2 color=blue face="Trebuchet MS"><u><br>
</u></font><a href=http://www.lntinfotech.com/><font size=2 color=blue face="Trebuchet MS"><u>www.Lntinfotech.com</u></font></a><font size=2 face="Trebuchet MS"><br>
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This Document is classified as: <br>
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<table width=100%>
<tr valign=top>
<td width=40%><font size=1 face="Trebuchet MS"><b>Greg Barton <greg_barton@yahoo.com></b>
</font>
<br><font size=1 face="Trebuchet MS">Sent by: rules-users-bounces@lists.jboss.org</font>
<p><font size=1 face="Trebuchet MS">07/28/2009 12:02 PM</font>
<table border>
<tr valign=top>
<td bgcolor=white>
<div align=center><font size=1 face="Trebuchet MS">Please respond to<br>
Rules Users List <rules-users@lists.jboss.org></font></div></table>
<br>
<td width=59%>
<table width=100%>
<tr valign=top>
<td>
<div align=right><font size=1 face="Trebuchet MS">To</font></div>
<td><font size=1 face="Trebuchet MS">Rules Users List <rules-users@lists.jboss.org></font>
<tr valign=top>
<td>
<div align=right><font size=1 face="Trebuchet MS">cc</font></div>
<td>
<tr valign=top>
<td>
<div align=right><font size=1 face="Trebuchet MS">Subject</font></div>
<td><font size=1 face="Trebuchet MS">Re: [rules-users] Run Drool Application
>From Command Prompt</font></table>
<br>
<table>
<tr valign=top>
<td>
<td></table>
<br></table>
<br>
<br>
<br><tt><font size=2><br>
Well, there you go. :) Just put drools into the regular classpath
and not the bootstrap classpath. Is that possible?<br>
<br>
--- On Tue, 7/28/09, Pankaj.Jain@lntinfotech.com <Pankaj.Jain@lntinfotech.com>
wrote:<br>
<br>
> From: Pankaj.Jain@lntinfotech.com <Pankaj.Jain@lntinfotech.com><br>
> Subject: Re: [rules-users] Run Drool Application From Command Prompt<br>
> To: "Rules Users List" <rules-users@lists.jboss.org><br>
> Date: Tuesday, July 28, 2009, 1:23 AM<br>
> <br>
> <br>
> Hi <br>
> <br>
> <br>
> <br>
> you r right, When I run<br>
> the application<br>
> (integrated with OFBiz) from command prompt I get the<br>
> NPE: in line<br>
> <br>
> <br>
> <br>
> getClass().getClassLoader().loadClass(<br>
> "org.eclipse.jdt.internal.compiler.Compiler"<br>
> );<br>
> <br>
> <br>
> <br>
> When I run the<br>
> application (ofcourse<br>
> integrated with OFBiz) from eclipse I don't get<br>
> NPE exception.<br>
> <br>
> <br>
> <br>
> <br>
> <br>
> In ofbiz we have a batch<br>
> file named<br>
> startofbiz.bat to run the application, inside this I<br>
> configured the classpath<br>
> by this<br>
> <br>
> <br>
> <br>
> <br>
> <br>
> set<br>
> VMARGS=-Xbootclasspath/p:applications\order\lib\antlr-runtime.jar<br>
> <br>
> set<br>
> VMARGS=-Xbootclasspath/p:applications\order\lib\drools-api.jar<br>
> %VMARGS%<br>
> <br>
> set<br>
> VMARGS=-Xbootclasspath/p:applications\order\lib\drools-compiler.jar<br>
> %VMARGS%<br>
> <br>
> set<br>
> VMARGS=-Xbootclasspath/p:applications\order\lib\drools-core.jar<br>
> %VMARGS%<br>
> <br>
> set<br>
> VMARGS=-Xbootclasspath/p:applications\order\lib\drools-decisiontables.jar<br>
> %VMARGS%<br>
> <br>
> set<br>
> VMARGS=-Xbootclasspath/p:applications\order\lib\drools-jsr94.jar<br>
> %VMARGS%<br>
> <br>
> set<br>
> VMARGS=-Xbootclasspath/p:applications\order\lib\drools-templates.jar<br>
> %VMARGS%<br>
> <br>
> set<br>
> VMARGS=-Xbootclasspath/p:applications\order\lib\joda-time.jar<br>
> %VMARGS%<br>
> <br>
> set<br>
> VMARGS=-Xbootclasspath/p:applications\order\lib\jsr94.jar<br>
> %VMARGS%<br>
> <br>
> set<br>
> VMARGS=-Xbootclasspath/p:applications\order\lib\jxl.jar<br>
> %VMARGS%<br>
> <br>
> set<br>
> VMARGS=-Xbootclasspath/p:applications\order\lib\mvel2.jar<br>
> %VMARGS%<br>
> <br>
> set<br>
> VMARGS=-Xbootclasspath/p:applications\order\lib\org.eclipse.jdt.core_3.4.4.v_894_R34x.jar<br>
> %VMARGS%<br>
> <br>
> set<br>
> VMARGS=-Xbootclasspath/p:applications\order\lib\xpp3.jar<br>
> %VMARGS%<br>
> <br>
> set<br>
> VMARGS=-Xbootclasspath/p:applications\order\lib\xpp3_min.jar<br>
> %VMARGS%<br>
> <br>
> set<br>
> VMARGS=-Xbootclasspath/p:applications\order\lib\xstream.jar<br>
> %VMARGS%<br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> If i don't do this I<br>
> get the class<br>
> not found exception<br>
> <br>
> <br>
> <br>
> Thanks & Regards:<br>
> <br>
> <br>
> <br>
> Pankaj Jain | L&T infotech |Navi Mumbai<br>
> <br>
> Mobile: +91 9920218945<br>
> <br>
> Email : pankaj.jain@lntinfotech.com<br>
> <br>
> www.Lntinfotech.com<br>
> <br>
> <br>
> <br>
> "Whatever the mind of man can conceive & believe,<br>
> it can achieve."<br>
> <br>
> <br>
> <br>
> Larsen & Toubro Infotech Ltd.<br>
> <br>
> www.Lntinfotech.com<br>
> <br>
> <br>
> <br>
> This Document is classified as: <br>
> <br>
> <br>
> <br>
> L&T<br>
> Infotech Proprietary L&T<br>
> Infotech Confidential L&T<br>
> Infotech Internal Use Only L&T<br>
> Infotech General Business <br>
> <br>
> <br>
> <br>
> This Email may contain confidential or privileged<br>
> information for the intended<br>
> recipient (s) If you are not the intended recipient, please<br>
> do not use<br>
> or disseminate the information, notify the sender and<br>
> delete it from your<br>
> system. <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> Greg<br>
> Barton <greg_barton@yahoo.com><br>
> <br>
> <br>
> Sent by:<br>
> rules-users-bounces@lists.jboss.org<br>
> 07/28/2009 11:29<br>
> AM<br>
> <br>
> <br>
> <br>
> Please respond to<br>
> <br>
> Rules Users List<br>
> <rules-users@lists.jboss.org><br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> To<br>
> Rules Users List<br>
> <rules-users@lists.jboss.org><br>
> <br>
> <br>
> cc<br>
> <br>
> <br>
> <br>
> Subject<br>
> Re: [rules-users]<br>
> Run Drool Application<br>
> >From Command Prompt<br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> <br>
> It's unclear from your post when you get the NPE: from<br>
> the command line,<br>
> from eclipse, or when integrated with OFBiz. (I assume<br>
> you're referring<br>
> to http://ofbiz.apache.org/)<br>
> <br>
> <br>
> <br>
> It's undoubtedly a classpath issue. Just peek at<br>
> the source a bit.<br>
> I'm not sure what version you're using, but<br>
> if you look at the source<br>
> in the svn repo you'll see that line 92 of<br>
> JavaDialectConfiguration is<br>
> this:<br>
> <br>
> <br>
> <br>
> getClass().getClassLoader().loadClass(<br>
> "org.eclipse.jdt.internal.compiler.Compiler"<br>
> );<br>
> <br>
> <br>
> <br>
> See the javadoc for Class.getClassLoader() that says<br>
> "Returns the<br>
> class loader for the class. Some implementations may use<br>
> null to represent<br>
> the bootstrap class loader. This method will return null in<br>
> such implementations<br>
> if this class was loaded by the bootstrap class<br>
> loader."<br>
> <br>
> <br>
> <br>
> So, it looks probable that in the environment that's<br>
> having problems, the<br>
> JavaDialectConfiguration class is loaded by the bootstrap<br>
> classloader.<br>
> What is the VM implementation you're using?<br>
> <br>
> <br>
> <br>
> It might be best if<br>
> Thread.currentThread().getContextClassLoader() was<br>
> used instead of getClass().getClassLoader() in<br>
> JavaDialectConfiguration<br>
> and elsewhere. Devs, have an opinion on that?<br>
> <br>
> <br>
> <br>
> --- On Mon, 7/27/09, Pankaj.Jain@lntinfotech.com<br>
> <Pankaj.Jain@lntinfotech.com><br>
> wrote:<br>
> <br>
> <br>
> <br>
> > From: Pankaj.Jain@lntinfotech.com<br>
> <Pankaj.Jain@lntinfotech.com><br>
> <br>
> > Subject: Re: [rules-users] Run Drool Application From<br>
> Command Prompt<br>
> <br>
> > To: rules-users@lists.jboss.org<br>
> <br>
> > Date: Monday, July 27, 2009, 11:50 PM<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > Hi<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > I still have not got any<br>
> <br>
> > solution<br>
> <br>
> > of my problem that I posted previously. I have<br>
> included all<br>
> <br>
> > required jar<br>
> <br>
> > files and set proper class path .. Please do help ?<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > problem: <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > I am trying to<br>
> <br>
> > integrate Drool with<br>
> <br>
> > ofbiz and run application from command prompt. In one<br>
> way I<br>
> <br>
> > have integrated<br>
> <br>
> > it properly and I am able to run it<br>
> <br>
> > successfully.<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > Code : Which I was using initially <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > KnowledgeBuilder kbuilder =<br>
> <br>
> > KnowledgeBuilderFactory.newKnowledgeBuilder();<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > or <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > PackageBuilderConfiguration cfg = new<br>
> <br>
> > PackageBuilderConfiguration();<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > KnowledgeBuilder kbuilder =<br>
> <br>
> > KnowledgeBuilderFactory.newKnowledgeBuilder();<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > Exception I got : <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > org.drools.RuntimeDroolsException: Unable to load<br>
> dialect<br>
> <br>
> ><br>
> 'org.drools.rule.builder.dialect.java.JavaDialectConfiguration:java<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> ><br>
> :org.drools.rule.builder.dialect.java.JavaDialectConfiguration'<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > at<br>
> <br>
> ><br>
> org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:274)<br>
> <br>
> > at<br>
> <br>
> ><br>
> org.drools.compiler.PackageBuilderConfiguration.buildDialectConfigurationMap(PackageBuilderConfiguration.java:259)<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > at<br>
> <br>
> ><br>
> org.drools.compiler.PackageBuilderConfiguration.init(PackageBuilderConfiguration.java:176)<br>
> <br>
> > at<br>
> <br>
> ><br>
> org.drools.compiler.PackageBuilderConfiguration.<init>(PackageBuilderConfiguration.java:153)<br>
> <br>
> > at<br>
> <br>
> ><br>
> org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:242)<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > . <br>
> <br>
> > <br>
> <br>
> > . <br>
> <br>
> > <br>
> <br>
> > . <br>
> <br>
> > <br>
> <br>
> > Caused by: java.lang.NullPointerException <br>
> <br>
> > <br>
> <br>
> > at<br>
> <br>
> ><br>
> org.drools.rule.builder.dialect.java.JavaDialectConfiguration.setCompiler(JavaDialectConfiguration.java:92)<br>
> <br>
> > at<br>
> <br>
> ><br>
> org.drools.rule.builder.dialect.java.JavaDialectConfiguration.init(JavaDialectConfiguration.java:55)<br>
> <br>
> > at<br>
> <br>
> ><br>
> org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:270<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > Problem I found : <br>
> <br>
> > <br>
> <br>
> > In the class JavaDialectConfiguration in jar file<br>
> <br>
> > drools-compiler.jar there<br>
> <br>
> > is a method named "setCompliler", in<br>
> this<br>
> <br>
> > method Null Pointer<br>
> <br>
> > Exception was coming. <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > Solution I provided :<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > In my application I created my custom class<br>
> <br>
> > CustomJavaDialectConfiguration<br>
> <br>
> > by extending to class JavaDialectConfiguration, In<br>
> this<br>
> <br>
> > class I overrided<br>
> <br>
> > the method setCompiler. My method was exactly same as<br>
> that<br>
> <br>
> > of method setCompiler<br>
> <br>
> > in JavaDialectConfiguration . To call my dialect class<br>
> I<br>
> <br>
> > also overrided<br>
> <br>
> > the method "addDialect" of<br>
> <br>
> > PackageBuilderConfiguration class<br>
> <br>
> > . For that I created class<br>
> <br>
> > CustomPackageBuilderConfiguration by extending<br>
> <br>
> > to PackageBuilderConfiguration. <br>
> <br>
> > <br>
> <br>
> > after that I wrote the code: <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > PackageBuilderConfiguration cfg = new<br>
> <br>
> > CustomPackageBuilderConfiguration();<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > KnowledgeBuilder kbuilder =<br>
> <br>
> > KnowledgeBuilderFactory.newKnowledgeBuilder(cfg);<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > Now application is running perfectly fine from both<br>
> eclipse<br>
> <br>
> > and command<br>
> <br>
> > prompt without any exception. <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > I want to know as my overrided method<br>
> </font></tt>
<br><tt><font size=2>> > "setCompiler" was exactly<br>
> <br>
> > same then why I had to override method, and In<br>
> original<br>
> <br>
> > code (ie in drools-compiler.jar<br>
> <br>
> > file) why it was giving exception ??? Was<br>
> that<br>
> <br>
> > due to class<br>
> <br>
> > lader or something else ?? Please do help in<br>
> this<br>
> <br>
> > regard ....<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > Thanks & Regards:<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > Pankaj Jain | L&T infotech |Navi Mumbai<br>
> <br>
> > <br>
> <br>
> > Mobile: +91 9920218945<br>
> <br>
> > <br>
> <br>
> > Email : pankaj.jain@lntinfotech.com<br>
> <br>
> > <br>
> <br>
> > www.Lntinfotech.com<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > "Whatever the mind of man can conceive &<br>
> believe,<br>
> <br>
> > it can achieve."<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > Larsen & Toubro Infotech Ltd.<br>
> <br>
> > <br>
> <br>
> > www.Lntinfotech.com<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > This Document is classified as: <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > L&T<br>
> <br>
> > Infotech Proprietary L&T<br>
> <br>
> > Infotech Confidential L&T<br>
> <br>
> > Infotech Internal Use Only L&T<br>
> <br>
> > Infotech General Business <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > This Email may contain confidential or privileged<br>
> <br>
> > information for the intended<br>
> <br>
> > recipient (s) If you are not the intended recipient,<br>
> please<br>
> <br>
> > do not use<br>
> <br>
> > or disseminate the information, notify the sender and<br>
> <br>
> > delete it from your<br>
> <br>
> > system. <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> ><br>
> ______________________________________________________________________<br>
> <br>
> > <br>
> <br>
> > <br>
> <br>
> > -----Inline Attachment Follows-----<br>
> <br>
> > <br>
> <br>
> > _______________________________________________<br>
> <br>
> > rules-users mailing list<br>
> <br>
> > rules-users@lists.jboss.org<br>
> <br>
> > https://lists.jboss.org/mailman/listinfo/rules-users<br>
> <br>
> > <br>
> <br>
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> <br>
> ______________________________________________________________________<br>
> <br>
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