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Posted to issues@commons.apache.org by "Valery Silaev (JIRA)" <ji...@apache.org> on 2009/12/22 13:18:29 UTC
[jira] Updated: (SANDBOX-277) [javaflow] Uninitialized local
variable related bug
[ https://issues.apache.org/jira/browse/SANDBOX-277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Valery Silaev updated SANDBOX-277:
----------------------------------
Attachment: ContinuationMethodAdapter.java
Please update to the latest trunk version, then overwrite ContinuationMethodAdapter with the file attached, rebuild and retest -- the issue should be fixed now.
I've just submitted this attachment to Torsten, so hopefully it should be shortly in SVN.
> [javaflow] Uninitialized local variable related bug
> ---------------------------------------------------
>
> Key: SANDBOX-277
> URL: https://issues.apache.org/jira/browse/SANDBOX-277
> Project: Commons Sandbox
> Issue Type: Bug
> Components: Javaflow
> Reporter: Fernando Petrola
> Assignee: Torsten Curdt
> Priority: Critical
> Attachments: ContinuationMethodAdapter.java
>
>
> Executing this test class:
> ------------------------------------------------------------------------------------------------------------------------------------------------
> package test;
> import java.net.URL;
> import org.apache.commons.javaflow.Continuation;
> import org.apache.commons.javaflow.ContinuationClassLoader;
> public class TestNullBug
> {
> public static class Test implements Runnable
> {
> public class NullLocalVariable
> {
> public void method1()
> {
> Integer result= null;
> if (result != 0)
> result= 1;
> }
> }
> public void run()
> {
> NullLocalVariable bug1= new NullLocalVariable();
> }
> }
> public static void main(String[] args) throws Exception
> {
> ContinuationClassLoader classLoader= new ContinuationClassLoader(new URL[] {}, TestNullBug.Test.class.getClassLoader());
> classLoader.addLoaderPackageRoot(TestNullBug.Test.class.getPackage().getName());
> Runnable test= (Runnable) classLoader.loadClass(TestNullBug.Test.class.getName()).newInstance();
> Continuation.startWith(test);
> }
> }
> ------------------------------------------------------------------------------------------------------------------------------------------------
> I get the following stacktrace:
> Exception in thread "main" java.lang.NoClassDefFoundError: null
> at test.TestNullBug$Test.run(TestNullBug.java:23)
> at org.apache.commons.javaflow.bytecode.StackRecorder.execute(StackRecorder.java:104)
> at org.apache.commons.javaflow.Continuation.continueWith(Continuation.java:182)
> at org.apache.commons.javaflow.Continuation.startWith(Continuation.java:136)
> at org.apache.commons.javaflow.Continuation.startWith(Continuation.java:107)
> at test.TestNullBug.main(TestNullBug.java:32)
> Caused by: java.lang.ClassNotFoundException: null
> at org.apache.commons.javaflow.ContinuationClassLoader.findClass(ContinuationClassLoader.java:419)
> at org.apache.commons.javaflow.ContinuationClassLoader.loadClass(ContinuationClassLoader.java:306)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:336)
> ... 6 more
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