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Groups > comp.lang.java.programmer > #16092
| From | Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: throw null investigation |
| Date | 2012-07-19 00:06 +0200 |
| Organization | A noiseless patient Spider |
| Message-ID | <ju7c31$p8e$1@dont-email.me> (permalink) |
| References | <a8e60469-b392-4a98-b845-42caa79f7959@googlegroups.com> <GhENr.7926$jA7.4844@newsfe15.iad> <ju76n5$pcv$1@dont-email.me> <ju7a51$d92$1@dont-email.me> <ju7amv$hfv$1@dont-email.me> |
On 18/07/2012 23:43, markspace allegedly wrote: > On 7/18/2012 2:33 PM, Daniele Futtorovic wrote: > >> But if the JNI code actually wanted to throw an NPE, and teh Jav wraps a >> null into an NPE, wouldn't it actually be more efficient if the JNI code >> "threw" a null? > > > That's what I'm saying. I think perhaps Java does NOT wrap a null > exception thrown by JNI code. Java wraps a null value when you throw it > from Java, but JNI tends to have a lot of holes, especially if you are > dealing with "signed" or "trusted" code. There's ways to get around the > checks Java does of JNI code in the interest of speed, and if you don't > check, then you don't get protection. But if what you say is correct, and Java does /not/ systematically wrap nulls "thrown" from JNI (assuming it's possible), then it would be technically possible to catch a null Exception in the Java runtime, wouldn't it? -- DF.
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throw null investigation bob smith <bob@coolfone.comze.com> - 2012-07-18 10:10 -0700
Re: throw null investigation Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-07-18 12:39 -0700
Re: throw null investigation markspace <-@.> - 2012-07-18 13:35 -0700
Re: throw null investigation Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2012-07-18 23:33 +0200
Re: throw null investigation markspace <-@.> - 2012-07-18 14:43 -0700
Re: throw null investigation Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2012-07-19 00:06 +0200
Re: throw null investigation markspace <-@.> - 2012-07-18 15:55 -0700
Re: throw null investigation Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-07-18 16:00 -0700
Re: throw null investigation Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-07-18 16:16 -0700
Re: throw null investigation Roedy Green <see_website@mindprod.com.invalid> - 2012-07-18 17:09 -0700
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