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I've found a similar issue described in detail in the scala mailing list (also here). It seems to be related to this change in classpath management when creating scala interpretation environments.

In my case both scala-library and scala-compiler are included in the war being deployed to WebLogic 10.3 (camel version: 2.8.0, jvm: oracle 1.6).

The exception is shown below:

com.sun.jersey.api.container.ContainerException: org.fusesource.scalate.TemplateException: object scala not found.
    at org.fusesource.scalate.jersey.ScalateTemplateProcessor.writeToUsingServletTemplateEngine(ScalateTemplateProcessor.scala:190)
    at org.fusesource.scalate.jersey.ScalateTemplateProcessor.writeTo(ScalateTemplateProcessor.scala:136)
    at org.fusesource.scalate.jersey.ScalateTemplateProcessor.writeTo(ScalateTemplateProcessor.scala:44)
    at com.sun.jersey.spi.template.ResolvedViewable.writeTo(ResolvedViewable.java:103)
    at com.sun.jersey.server.impl.template.ViewableMessageBodyWriter.writeTo(ViewableMessageBodyWriter.java:83)
    Truncated. see log file for complete stacktrace
Caused By: org.fusesource.scalate.TemplateException: object scala not found.
    at org.fusesource.scalate.TemplateEngine.compileAndLoad(TemplateEngine.scala:784)
    at org.fusesource.scalate.TemplateEngine.compileAndLoadEntry(TemplateEngine.scala:643)
    at org.fusesource.scalate.TemplateEngine.liftedTree1$1(TemplateEngine.scala:374)
    at org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:368)
    at org.fusesource.scalate.TemplateEngine.load(TemplateEngine.scala:426)
    Truncated. see log file for complete stacktrace
Caused By: scala.tools.nsc.MissingRequirementError: object scala not found.
    at scala.tools.nsc.symtab.Definitions$definitions$.getModuleOrClass(Definitions.scala:653)
    at scala.tools.nsc.symtab.Definitions$definitions$.getModule(Definitions.scala:603)
    at scala.tools.nsc.symtab.Definitions$definitions$.ScalaPackage(Definitions.scala:145)
    at scala.tools.nsc.symtab.Definitions$definitions$.ScalaPackageClass(Definitions.scala:146)
    at scala.tools.nsc.symtab.Definitions$definitions$.AnyClass(Definitions.scala:176)

The question: is it possible to make camel web-console work in this environment?

dm3
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1 Answers1

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No its a problem with WebLogic. Scalaete needs to add special support for WebLogic, as WebLogic does classloading a bit differently, than the usual practice.

Claus Ibsen
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  • That's a shame. Maybe you've already got pointers to what should be fixed in **scalate**? – dm3 Oct 05 '11 at 06:56
  • Its somewhere in the TemplateEngine, when loading the pre compiled classes: https://github.com/scalate/scalate/blob/master/scalate-core/src/main/scala/org/fusesource/scalate/TemplateEngine.scala – Claus Ibsen Oct 05 '11 at 08:41