The Scala hello-world example does not work
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Key: SLING-1907
URL: https://issues.apache.org/jira/browse/SLING-1907
Project: Sling
Issue Type: Bug
Components: Samples
Affects Versions: Scripting Scala 1.0.0
Reporter: Sandro Boehme
To get the Scala samples to work I executed the following steps:
1. The 2.8.1 versions of the scala-compiler and scala-library jars are not
available anymore with the group-id "org.scala-lang-osgi" but with the group-id
"com.weiglewilczek.scala-lang-osgi" they are.
The problem is, that the checksum is not defined and thus the jar is not
automatically downloaded.
As an alternative to always downloading manually I added the jars and an
install-script to the 'contrib/scripting/scala/config' project
2. Removed the license header from
/contrib/scripting/scala/script/src/main/resources/META-INF/services/javax.script.ScriptEngineFactory
as it resulted in entries like the following one in the log file:
29.12.2010 00:59:35.166 *ERROR* [Background Update
org.apache.sling.scripting.scala.script (74)] org.apache.sling.scripting.c
ore.impl.ScriptEngineManagerFactory Cannot register ScriptEngineFactory #
limitations under the License. java.lang.ClassNotFo
undException: # limitations under the License. not found by
org.apache.sling.scripting.scala.script [74]
at
org.apache.felix.framework.ModuleImpl.findClassOrResourceByDelegation(ModuleImpl.java:787)
at org.apache.felix.framework.ModuleImpl.access$400(ModuleImpl.java:71)
at
org.apache.felix.framework.ModuleImpl$ModuleClassLoader.loadClass(ModuleImpl.java:1768)
at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
at
org.apache.felix.framework.ModuleImpl.getClassByDelegation(ModuleImpl.java:645)
at org.apache.felix.framework.Felix.loadBundleClass(Felix.java:1599)
at org.apache.felix.framework.BundleImpl.loadClass(BundleImpl.java:904)
at
org.apache.sling.scripting.core.impl.ScriptEngineManagerFactory.registerFactories(ScriptEngineManagerFactory.java:
146)
at
org.apache.sling.scripting.core.impl.ScriptEngineManagerFactory.refreshScriptEngineManager(ScriptEngineManagerFact
ory.java:102)
at
org.apache.sling.scripting.core.impl.ScriptEngineManagerFactory.unbindScriptEngineFactory(ScriptEngineManagerFacto
ry.java:266)
I consider this as a workaround as the parser should be adapted to ignore lines
containing comments.
3. Installed 'samples/path-based-rtp' as it is needed by the hello-world example
4. Installed 'contrib/scripting/scala/config', 'contrib/scripting/scala/script'
and 'contrib/scripting/scala/samples/hello-world' using 'mvn
-PautoInstallBundle clean install
-Dsling.url=http://localhost:8888/system/console' as the default Jetty-Port is
8888 and the sling:install plugin is not configured in every pom
Would'nt it make sense to create a Maven multi module project that builds and
installs the projects?
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