[jboss-user] [jBPM] - Unable to run example project as Java application

[Derek Pang]

Derek Pang [http://community.jboss.org/people/delbacca] created the discussion

"Unable to run example project as Java application"

To view the discussion, visit: http://community.jboss.org/message/632929#632929

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Hi,

I am new to JBPM. I have just finished installing it and am able to lauch Eclipse plugin UI. I have imported a couple of example projects to test and play around with. When I try to execute the process with 'run as java application' I get the following error:

org.drools.RuntimeDroolsException: Unable to load dialect 'org.drools.rule.builder.dialect.java.JavaDialectConfiguration:java:org.drools.rule.builder.dialect.java.JavaDialectConfiguration'
    at org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:277)
    at org.drools.compiler.PackageBuilderConfiguration.buildDialectConfigurationMap(PackageBuilderConfiguration.java:262)
    at org.drools.compiler.PackageBuilderConfiguration.init(PackageBuilderConfiguration.java:175)
    at org.drools.compiler.PackageBuilderConfiguration.<init>(PackageBuilderConfiguration.java:153)
    at org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:254)
    at org.drools.compiler.PackageBuilder.<init>(PackageBuilder.java:182)
    at org.drools.builder.impl.KnowledgeBuilderFactoryServiceImpl.newKnowledgeBuilder(KnowledgeBuilderFactoryServiceImpl.java:34)
    at org.drools.builder.KnowledgeBuilderFactory.newKnowledgeBuilder(KnowledgeBuilderFactory.java:46)
    at com.sample.ProcessTest.readKnowledgeBase(ProcessTest.java:40)
    at com.sample.ProcessTest.main(ProcessTest.java:24)
Caused by: org.drools.RuntimeDroolsException: value '1.7' is not a valid language level
    at org.drools.rule.builder.dialect.java.JavaDialectConfiguration.getDefaultLanguageLevel(JavaDialectConfiguration.java:161)
    at org.drools.rule.builder.dialect.java.JavaDialectConfiguration.init(JavaDialectConfiguration.java:56)
    at org.drools.compiler.PackageBuilderConfiguration.addDialect(PackageBuilderConfiguration.java:273)
    ... 9 more

Can anyone shed any light as to how this can be resolved? Am I missing plugins or Drools Rule Engine?
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