ScriptEngineManager swallows Exception when iterating factories
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Key: BSF-30
URL: https://issues.apache.org/jira/browse/BSF-30
Project: BSF
Issue Type: Bug
Components: BSF-3.x
Affects Versions: BSF-3.0
Reporter: Sebb
ScriptEngineManager swallows Exception when iterating factories.
This is not ideal - it should certainly not swallow ThreadDeath for example.
Unfortunately the Javadoc for ServiceRegistry.lookupProviders() only specifies
that it may generate an Error.
Note that the version of ScriptEngineManager in Sun Java 1.6 does not swallow
Exception.
This leads to different behaviour when using bsf-engines on Java 1.5 and 1.6.
On 1.5, the BSF version of ScriptEngineManager is used - this continues to
process factories after an Error has occured.
However, on Java 1.6, the first error terminates the class constructor so the
manager is not available to create any engines at all.
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