Thanks for all your suggestion. We add some new process in JITrino, it has some errors. Thougn we don't know the concrete reason, we have found the error location in our added codes. Since it can run properly after commenting some of our added codes. We will check our codes to find the error. Thanks.
Regards, tingpeng 2008/3/26, Ilya Berezhniuk <[EMAIL PROTECTED]>: > > The reason of 'assert(lock_field_id)' assertion is checking the field > presence in j.l.ThreadGroup class. It's done, for example, to prevent > deleting the field from the Java source by mistake. > I agree with Pavel, you probably use incorrect jar, thus ThreadGroup > does not contain the 'lock' field. > > 2008/3/25, Pavel Pervov <[EMAIL PROTECTED]>: > > It looks like you have invalid java/lang/ThreadGroup class in boot > > class path. Please, check that correct kernel.jar is available at > > jdk/jre/bin/default/kernel.jar. > > > > Pavel. > > > > > > On 3/25/08, tingpeng wu <[EMAIL PROTECTED]> wrote: > > > Thanks, Alexei. The reason is (NULL != > > > vm_thread->thread_exception.exc_object). Since we wasn't familar > with codes > > > here, maybe there are too many reasons which can cause exception. I > wonder > > > if we can infer something from "lock" and > > > "Ljava/lang/ThreadGroup$ThreadGroupLock" here, this way we can find > the > > > reason with some direction. > > > > > > Regards, > > > tingpeng > > > > > > 2008/3/25, Alexei Fedotov <[EMAIL PROTECTED]>: > > > > > > > > Hello, Ting Peng, > > > > > > > > You may find useful looking into jni/jni_field.cpp:87 [1]. The > source > > > > for GetStaticFieldID shows that zero is returned when an exception > is > > > > raised, field lookup failed, or the field is not static. > > > > > > > > Thanks. > > > > > > > > [1] > > > > > http://svn.apache.org/viewvc/harmony/enhanced/drlvm/trunk/vm/vmcore/src/jni/jni_field.cpp?view=markup > > > > > > > > On Tue, Mar 25, 2008 at 5:29 PM, tingpeng wu <[EMAIL PROTECTED] > > > > > > wrote: > > > > > Hi, all, > > > > > I have a question which needs your help. Method > > > > > vm_shutdown_stop_java_threads() has following statements: > > > > > > > > > > *jfieldID lock_field_id = > jni_env->GetStaticFieldID(class_handle, > > > > > "lock", "Ljava/lang/ThreadGroup$ThreadGroupLock;"); > > > > > assert(lock_field_id);* > > > > > ** > > > > > Anyone can tell me the role of assertation statement here. If > the > > > > > assertation error happens, what is the possible reason. Thanks. > > > > > > > > > > Regards, > > > > > tingpeng > > > > > > > > > > > > > > > > > > > > > -- > > > > With best regards, > > > > Alexei > > > > > > > > > > > > > > > -- > > Pavel Pervov, > > Intel Enterprise Solutions Software Division > > >
