[rules-users] Unable to load dialect java from Ant task
Hi all,
I have a perfectly running Eclipse 3.3 with DRools 4.0.4 and JDK 1.5.14.
The rules are compiled with a post build Ant task which uses Janino (need it for Tomcat
compatibility).
Now OUTSIDE Eclipse it seems I cannot use that Ant task to save my life :(
I tried switching from Janino to the default compiler, same thing. I always get this
infamous error:
BUILD FAILED
E:\buildRules-hudson.xml:30: RuleBaseTask failed: Unable to load dialect
'org.drools.rule.builder.dialect.java.JavaDialectConfiguration:java'
at com.csc.ezbook.eztarif.rules.DroolsCompilerAntTaskStandalone.execute
(DroolsCompilerAntTaskStandalone.java:163)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(
DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java
:105)
at org.apache.tools.ant.Task.perform(Task.java:348)
[...]
Caused by: org.drools.RuntimeDroolsException: Unable to load dialect
'org.drools.rule.builder.dialect.java.JavaDialectConfiguration:java'
at org.drools.compiler.PackageBuilderConfiguration.addDialect(
PackageBuilderConfiguration.java:152)
at org.drools.compiler.PackageBuilderConfiguration.
buildDialectConfigurationMap(PackageBuilderConfiguration.java:140)
at org.drools.compiler.PackageBuilderConfiguration.init(
PackageBuilderConfiguration.java:117)
at org.drools.compiler.PackageBuilderConfiguration.<init>(
PackageBuilderConfiguration.java:94)
at com.my.app.rules.DroolsCompilerAntTaskStandalone.getPackageBuilder(
DroolsCompilerAntTaskStandalone.java:257)
at com.my.app.rules.DroolsCompilerAntTaskStandalone.execute(
DroolsCompilerAntTaskStandalone.java:136)
That "DroolsCompilerAntTaskStandalone" is my task using the default compiler
like this:
PackageBuilderConfiguration conf = new PackageBuilderConfiguration();
conf.setClassLoader( loader );
PackageBuilder builder = new PackageBuilder( conf );
If I use Janino like below the error is exactly the same...
PackageBuilderConfiguration pkgBuilderCfg = new
PackageBuilderConfiguration();
pkgBuilderCfg.setClassLoader( loader );
JavaDialectConfiguration javaConf = (JavaDialectConfiguration)
pkgBuilderCfg.getDialectConfiguration( "java" );
javaConf.setCompiler( JavaDialectConfiguration.JANINO );
PackageBuilder builder = new PackageBuilder( pkgBuilderCfg );
Again, in Eclipse all is working fine. I checked Ant's classpath, here it is:
E:\apache-ant-1.7.0\bin\..\lib\ant-launcher.jar
E:\apache-ant-1.7.0\lib\*.jar
C:\Program Files\Java\jdk1.5.0_14\lib\tools.jar
Here is how I provide a classpath:
<taskdef name="rulescompiler" classname="com.my.app.rules.
DroolsCompilerAntTaskStandalone" classpathref="droolsutils.classpath"
/>
<target depends="newfilesarethere" name="build"
unless="rulesCompile.
notRequired">
<rulescompiler srcdir="${THIS_PROJ}/src/com/my/app/rules"
tofile="${THIS_PROJ}/build/classes/com/my/app/rules/
packaged.rules"
classpathref="droolsutils.classpath" >
<include name="*.drl" />
</rulescompiler>
</target>
The classpath I provide contains pretty much all libraries I use normally in the project,
but I tried even to add ALL jar's from the Eclipse 3.3 install directory (that would
include all DRools 4.0.4 libraries, with antlr and whatnot)
I tried also with DRools 4.0.7, same behaviour...
What does that mean and where is it coming from? Could it have issues with the tools.jar
from Java 1.5.0_14?
Thank you for any input,
M