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* [Bug libgcj/17021] New: gij: class resolution throws errors too eagerly @ 2004-08-13 21:07 mckinlay at redhat dot com 2004-08-13 21:51 ` [Bug libgcj/17021] " pinskia at gcc dot gnu dot org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: mckinlay at redhat dot com @ 2004-08-13 21:07 UTC (permalink / raw) To: java-prs NoClassDefFoundError should only be thrown if a code path that attempts to use the missing class is actually used. GIJ, however, throws the error too early. This can be seen by compiling the following test case and deleting the class file for "Bar". $ gcj -C Foo.java Bar.java $ rm Bar.class $ gij Foo Exception in thread "main" java.lang.NoClassDefFoundError: while resolving class: Foo at java.lang.ClassLoader.resolveClass0(java.lang.Class) (/usr/lib/libgcj.so.4.0.0) at java.lang.Class.initializeClass() (/usr/lib/libgcj.so.4.0.0) at java.lang.Class.forName(java.lang.String, boolean, java.lang.ClassLoader) (/usr/lib/libgcj.so.4.0.0) ... public class Foo { public boolean missing_class_code_path = false; public static void main(String[] args) { new Foo().j(); } void j() { if (missing_class_code_path) new Bar().x(); } } public class Bar { public void x() {} } -- Summary: gij: class resolution throws errors too eagerly Product: gcc Version: 3.5.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: libgcj AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: mckinlay at redhat dot com CC: gcc-bugs at gcc dot gnu dot org,java-prs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17021 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug libgcj/17021] gij: class resolution throws errors too eagerly 2004-08-13 21:07 [Bug libgcj/17021] New: gij: class resolution throws errors too eagerly mckinlay at redhat dot com @ 2004-08-13 21:51 ` pinskia at gcc dot gnu dot org 2004-10-13 21:33 ` tromey at gcc dot gnu dot org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu dot org @ 2004-08-13 21:51 UTC (permalink / raw) To: java-prs ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-08-13 21:51 ------- Confirmed, I thought I saw a bug like this somewhere. -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed| |1 Last reconfirmed|0000-00-00 00:00:00 |2004-08-13 21:51:18 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17021 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug libgcj/17021] gij: class resolution throws errors too eagerly 2004-08-13 21:07 [Bug libgcj/17021] New: gij: class resolution throws errors too eagerly mckinlay at redhat dot com 2004-08-13 21:51 ` [Bug libgcj/17021] " pinskia at gcc dot gnu dot org @ 2004-10-13 21:33 ` tromey at gcc dot gnu dot org 2005-07-13 18:12 ` pinskia at gcc dot gnu dot org 2005-07-13 21:43 ` [Bug libgcj/17021] gij: class resolution throws errors too eagerl dberlin at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: tromey at gcc dot gnu dot org @ 2004-10-13 21:33 UTC (permalink / raw) To: java-prs ------- Additional Comments From tromey at gcc dot gnu dot org 2004-10-13 21:33 ------- *** Bug 17980 has been marked as a duplicate of this bug. *** -- What |Removed |Added ---------------------------------------------------------------------------- CC| |tromey at gcc dot gnu dot | |org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17021 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug libgcj/17021] gij: class resolution throws errors too eagerly 2004-08-13 21:07 [Bug libgcj/17021] New: gij: class resolution throws errors too eagerly mckinlay at redhat dot com 2004-08-13 21:51 ` [Bug libgcj/17021] " pinskia at gcc dot gnu dot org 2004-10-13 21:33 ` tromey at gcc dot gnu dot org @ 2005-07-13 18:12 ` pinskia at gcc dot gnu dot org 2005-07-13 21:43 ` [Bug libgcj/17021] gij: class resolution throws errors too eagerl dberlin at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-07-13 18:12 UTC (permalink / raw) To: java-prs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-13 18:12 ------- *** Bug 22463 has been marked as a duplicate of this bug. *** -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17021 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug libgcj/17021] gij: class resolution throws errors too eagerl 2004-08-13 21:07 [Bug libgcj/17021] New: gij: class resolution throws errors too eagerly mckinlay at redhat dot com ` (2 preceding siblings ...) 2005-07-13 18:12 ` pinskia at gcc dot gnu dot org @ 2005-07-13 21:43 ` dberlin at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: dberlin at gcc dot gnu dot org @ 2005-07-13 21:43 UTC (permalink / raw) To: java-prs ------- Additional Comments From mckinlay at redhat dot com 2005-07-13 18:18 ------- Updated summary to reflect that this is actually caused by the libgcj verifier. A workaround is to use "gij -noverify" -- What |Removed |Added ---------------------------------------------------------------------------- Summary|gij: class resolution throws|gij: class resolution throws |errors too eagerly |errors too eagerl http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17021 ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2005-07-13 21:43 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2004-08-13 21:07 [Bug libgcj/17021] New: gij: class resolution throws errors too eagerly mckinlay at redhat dot com 2004-08-13 21:51 ` [Bug libgcj/17021] " pinskia at gcc dot gnu dot org 2004-10-13 21:33 ` tromey at gcc dot gnu dot org 2005-07-13 18:12 ` pinskia at gcc dot gnu dot org 2005-07-13 21:43 ` [Bug libgcj/17021] gij: class resolution throws errors too eagerl dberlin at gcc dot gnu dot org
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