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https://issues.apache.org/jira/browse/LUCENE-5471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13912083#comment-13912083
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Hoss Man commented on LUCENE-5471:
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bq. null if the resource could not be found or the invoker doesn't have
adequate privileges to get the resource.
Grr... yeah, i forgot about that ... lack of permissions for accessing "thing"
frequently looks the same as if "thing" doesn't exist.
We could, conceivably, ask the SecurityManager if we have the permissions we
know we are going to need to do the things we want to do though, correct? and
then if we get a SecurityException, wrap it in another SecurityException with
details about why lucnee can't work w/o that permision?
(I'm not saying i'm convinced we should -- just wondering if other people think
it would be helpful)
> Classloader issues when running Lucene under a java SecurityManager
> -------------------------------------------------------------------
>
> Key: LUCENE-5471
> URL: https://issues.apache.org/jira/browse/LUCENE-5471
> Project: Lucene - Core
> Issue Type: Bug
> Affects Versions: 4.5
> Reporter: Rick Hillegas
> Attachments: SecureLucene.java
>
>
> I see the following error when I run Lucene 4.5.0 under a java
> SecurityManager. I will attach a test program which shows this problem. The
> program works fine when a SecurityManager is not installed. But the program
> fails when I install a SecurityManager. Even more puzzling, the program works
> if I first run it without a SecurityManager, then install a SecurityManager,
> then re-run the program, all within the lifetime of a single JVM. I would
> appreciate advice about how to work around this problem:
> Exception in thread "main" java.lang.ExceptionInInitializerError
> at
> org.apache.lucene.index.LiveIndexWriterConfig.<init>(LiveIndexWriterConfig.java:122)
> at
> org.apache.lucene.index.IndexWriterConfig.<init>(IndexWriterConfig.java:165)
> at SecureLucene$1.run(SecureLucene.java:129)
> at SecureLucene$1.run(SecureLucene.java:122)
> at java.security.AccessController.doPrivileged(Native Method)
> at SecureLucene.getIndexWriter(SecureLucene.java:120)
> at SecureLucene.runTest(SecureLucene.java:72)
> at SecureLucene.main(SecureLucene.java:52)
> Caused by: java.lang.IllegalArgumentException: A SPI class of type
> org.apache.lucene.codecs.Codec with name 'Lucene45' does not exist. You need
> to add the corresponding JAR file supporting this SPI to your classpath.The
> current classpath supports the following names: []
> at org.apache.lucene.util.NamedSPILoader.lookup(NamedSPILoader.java:109)
> at org.apache.lucene.codecs.Codec.forName(Codec.java:95)
> at org.apache.lucene.codecs.Codec.<clinit>(Codec.java:122)
> ... 8 more
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