[rules-users] Pojo with spring dependency in DWB

Joe White Joe.White at recondotech.com
Thu Mar 13 15:24:03 EDT 2014


What is the best way to import a jar that has a spring dependency into the Drools Workbench? When I upload my pojos that I intend use in my rules I get the exception below. Do I also need to load the spring jars for this to work or is it not possible?

Specifically I need my rules objects to have the @Component annotation so that they can be autowired.

Exception in thread "pool-9-thread-1" java.lang.NoClassDefFoundError: javax/peristence/EntityManager
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:412)
        at org.drools.core.common.ProjectClassLoader.internalLoadClass(ProjectCassLoader.java:99)
        at org.drools.core.common.ProjectClassLoader.loadClass(ProjectClassLoadr.java:82)


Joe

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