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From "Ivan Popov (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-3403) [jdktools][jpda] 8 JDWP unit tests fail because VMDeath event is nor received
Date Thu, 15 Mar 2007 11:52:09 GMT
[jdktools][jpda] 8 JDWP unit tests fail because VMDeath event is nor received
-----------------------------------------------------------------------------

                 Key: HARMONY-3403
                 URL: https://issues.apache.org/jira/browse/HARMONY-3403
             Project: Harmony
          Issue Type: Bug
          Components: JDK
         Environment: Windows/ia32, Linux/ia32, Harmony-jdk-r518547
            Reporter: Ivan Popov


The following JDWP unit tests 

org.apache.harmony.jpda.tests.jdwp.Events.VMDeath002Test
org.apache.harmony.jpda.tests.jdwp.Events.VMDeathTest
org.apache.harmony.jpda.tests.jdwp.MultiSession.ClassPrepareTest
org.apache.harmony.jpda.tests.jdwp.MultiSession.ExceptionTest
org.apache.harmony.jpda.tests.jdwp.MultiSession.FieldAccessTest
org.apache.harmony.jpda.tests.jdwp.MultiSession.FieldModificationTest
org.apache.harmony.jpda.tests.jdwp.MultiSession.SingleStepTest
org.apache.harmony.jpda.tests.jdwp.MultiSession.VMDeathTest

fail because expected VMDeath event is nor received and debuggee JVM hangs at exit.

I suspect this problem is caused by recent changes in generation of JVMTI event VM_DEATH,
see HARMONY-3297. However, it needs deeper investigation.

Here is typical diagnostics:

<...>
=> Wait for VM_DEATH event
<...>
Waiting for debuggee exit
Ignoring exception in ProcessWaiter thread interrupted: java.lang.InterruptedException
# ERROR: Enforced debuggee termination
Waiting for redirectors
Redirector completed: STDOUT
Redirector completed: STDERR
<...>
org.apache.harmony.jpda.tests.framework.TestErrorException: org.apache.harmony.jpda.tests.framework.jdwp.exceptions.TimeoutException:
Timeout was exceeded
	at org.apache.harmony.jpda.tests.framework.jdwp.VmMirror.receiveEvent(VmMirror.java:1693)
	at org.apache.harmony.jpda.tests.jdwp.Events.VMDeath002Test.testVMDeathRequest(VMDeath002Test.java:104)
	at java.lang.reflect.VMReflection.invokeMethod(VMReflection.java)
Caused by: org.apache.harmony.jpda.tests.framework.jdwp.exceptions.TimeoutException: Timeout
was exceeded
	at org.apache.harmony.jpda.tests.framework.jdwp.PacketDispatcher$EventsSynchronyzer.waitForNextEvent(PacketDispatcher.java:173)
	at org.apache.harmony.jpda.tests.framework.jdwp.PacketDispatcher.receiveEvent(PacketDispatcher.java)
	at org.apache.harmony.jpda.tests.framework.jdwp.VmMirror.receiveEvent(VmMirror.java)
	at org.apache.harmony.jpda.tests.framework.jdwp.VmMirror.receiveEvent(VmMirror.java:1691)
	at org.apache.harmony.jpda.tests.jdwp.Events.VMDeath002Test.testVMDeathRequest(VMDeath002Test.java:104)
	... 13 more

To reproduce this failure:

1. create Harmony JDK with federated build:
    svn checkout https://svn.apache.org/repos/asf/harmony/enhanced/trunk
    cd trunk
    ant

2. goto jdktools directory, add junit to classpath, and run particular test:
    cd working_jdktools
    export CLASSPATH=<...>/trunk/common_resources/depends/jars/junit_3.8.2/junit.jar
    ant test -Dbuild.module=jpda -Dtest.case=org.apache.harmony.jpda.tests.jdwp.Events.VMDeathTest

3. see results in <...>/trunk/working_jdktools/build/test_report/html/index.html

It is possible also to run test directly from command line:
   cd working_jdktools
   deploy/jdk/bin/java -classpath ../common_resources/depends/jars/junit_3.8.2/junit.jar:build/tests/classes
\
   org.apache.harmony.jpda.tests.jdwp.Events.VMDeathTest 


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