Hello, I've found another issue trying to run activemq: HARMONY-1177 . I think it's important - try/catch/return works incorrectly.
On 8/14/06, Geir Magnusson Jr <[EMAIL PROTECTED]> wrote:
Anton Luht wrote: > Hello, > > DRLVM has an (undocumented?) option to switch off verifier > -Dvm.use_verifier=false . With this option activemq starts without > crash. Verifier seem to be the blocker. Odd. even with that switch, I get a crash. Of course, it's not the verifier. Seems like ActiveMQ is a good app to focus on to get running geir > > On 8/8/06, Geir Magnusson Jr <[EMAIL PROTECTED]> wrote: >> >> >> Gregory Shimansky wrote: >> > On Tuesday 08 August 2006 00:01 Geir Magnusson Jr wrote: >> >> Ok - I made that fix and still seem to have a problem, even after a >> >> clean rebuild. I guess I should figure out how to turn on the >> trace... >> > >> > The problem is that class loader does not chain VerifyError to >> > NoClassDefFoundError so debugging such problems is diffucult without >> tracing. >> > I think this is a place for improvement in drlvm. >> > >> > I tried to fix the problem and found out that verifier just doesn't >> understand >> > exception handlers which point to the code length address (code end >> + 1). It >> > is a surprise that this problem didn't appear earlier. >> >> App-oriented testing... :) >> >> > >> > My patch attached to JIRA attempts to fix the problem in verifier >> only, the >> > application still fails to start. In default mode it exits silently, >> I didn't >> > find any exception logs or something. When using interpreter -Xint >> it fails >> > with ArrayStoreException still without any stack trace. I'll try to >> find out >> > what is happening. >> >> Nice work. Thanks for doing this... >> >> geir >> >> > >> >> Anton Luht wrote: >> >>> Hello, >> >>> >> >>> The problem is with verifier. >> >>> >> >>> The code in Verifier.cpp: >> >>> >> >>> if( ( start_pc >= len ) || ( end_pc >= len ) || ( >> handler_pc >= >> >>> len ) ) >> >>> ... >> >>> >> >>> result = VER_ErrorHandler; >> >>> >> >>> I've modified error logging a bit to log values of start_pc, end_pc, >> >>> handler_pc and len and that's the output: >> >>> >> >>> >> >>> Loading message broker from: xbean:activemq.xml >> >>> vf_debug: VerifyError: (class: >> >>> edu/emory/mathcs/backport/java/util/concurrent/lo >> >>> cks/ReentrantLock$NonfairSync, method: lockInterruptibly()V, len: >> 103, >> >>> start_pc: >> >>> 87, end_pc: 103, handler_pc: 21) Handler pc is out of range >> >>> vf_debug: verifying class >> >>> edu/emory/mathcs/backport/java/util/concurrent/locks/R >> >>> eentrantLock (method <init>()V) couldn't load class >> >>> "edu/emory/mathcs/backport/j >> >>> ava/util/concurrent/locks/ReentrantLock$NonfairSync" >> >>> vf_debug: VerifyError: >> >>> edu/emory/mathcs/backport/java/util/concurrent/locks/Reen >> >>> trantLock$NonfairSync >> >>> Failed to execute main task. Reason: java.lang.NoClassDefFoundError: >> >>> edu/emory/m >> >>> athcs/backport/java/util/concurrent/locks/ReentrantLock$NonfairSync >> >>> >> >>> I'm not an expert in verification but seems like >> >>> >> >>> end_pc >= len >> >>> should be replaced with >> >>> end_pc > len >> >>> >> >>> On 8/5/06, Geir Magnusson Jr <[EMAIL PROTECTED]> wrote: >> >>>> Anyone interested? :) >> > >> >> --------------------------------------------------------------------- >> Terms of use : http://incubator.apache.org/harmony/mailing.html >> To unsubscribe, e-mail: [EMAIL PROTECTED] >> For additional commands, e-mail: [EMAIL PROTECTED] >> >> > > --------------------------------------------------------------------- Terms of use : http://incubator.apache.org/harmony/mailing.html To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
-- Regards, Anton Luht, Intel Middleware Products Division --------------------------------------------------------------------- Terms of use : http://incubator.apache.org/harmony/mailing.html To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
