NullPointerException when creating ScriptingContainer with jruby complete 1.5.0
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Key: JRUBY-4798
URL: http://jira.codehaus.org/browse/JRUBY-4798
Project: JRuby
Issue Type: Bug
Components: Embedding
Affects Versions: JRuby 1.5
Reporter: Paul Allton
Apologies in advance if this user error, I'm using embedded jruby inside an
Intellij plugin[1]
This all worked under quite happily jruby complete 1.4.0, but I've just tried
upgrading to 1.5.0 and now get a NullPointerException while trying to create a
ScriptingContainer, specifically the exception is:
null
java.lang.NullPointerException
at java.util.Properties$LineReader.readLine(Properties.java:365)
at java.util.Properties.load(Properties.java:293)
at
java.util.PropertyResourceBundle.<init>(PropertyResourceBundle.java:96)
at org.jruby.embed.util.PropertyReader.<init>(PropertyReader.java:52)
at
org.jruby.embed.ScriptingContainer.<init>(ScriptingContainer.java:206)
at
org.jruby.embed.ScriptingContainer.<init>(ScriptingContainer.java:174)
at pmip.impl.JRubyInterpreter.init(JRubyInterpreter.java:44)
Note that I am able to create and use a ScriptingContainer 'normally' (i.e.
outside of the Intellij plugin). There is some definitely some ClassLoader
weirdness going when embedding in the context of a Intellij plugin, which I
wouldn't pretend to understand, but I did manage to get working using a
ClassLoader workaround[2]
So, under jruby complete 1.4.0, the following code worked:
private void init() {
ClassLoader oldClassLoader =
Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader(null);
ScriptingContainer container = new ScriptingContainer();
Thread.currentThread().setContextClassLoader(oldClassLoader);
}
But 1.5.0 gives the null pointer - any ideas what might be going on?
[1] if it helps, the source for the plugin is available here:
http://code.google.com/p/pmip/ or more specifically:
http://code.google.com/p/pmip/source/browse/trunk/host/src/pmip/impl/JRubyInterpreter.java
[2] http://wiki.trialox.org/confluence/display/DEV/Using+JRuby+in+OSGi
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