Re: -DNOSECURITY=true

fnl <[email protected]> Thu, 11 May 2023 07:23:19 -0700 (PDT)
Newsgroups gmane.comp.java.robocode
Message-ID <[email protected]>
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Thank you for the heads up. I will have to come up with a better fix for=20
this one.
In the meantime, you'll need to stick with Java 8 when using the=20
`-DNOSECURITY=3Dtrue` option, which is not optimal.

torsdag den 11. maj 2023 kl. 06.36.56 UTC+2 skrev Gabriel Bonfim:

> hey, thanks for the reply, i'll test this version and get back to you.
>
> att.
>
> Em qua., 10 de mai. de 2023 =C3=A0s 16:48, fnl <[email protected]>=20
> escreveu:
>
>> Hi again,
>>
>> I made a fix that seems to work for me. This version has not been=20
>> released yet, but it would be great to see if this version works for you=
?
>>
>> Robocode 1.9.5.2 with fix:
>> https://robocode.sourceforge.io/files/robocode-1.9.5.2-setup.jar
>>
>> Best regards,
>> - Flemming
>>
>> onsdag den 10. maj 2023 kl. 20.35.47 UTC+2 skrev fnl:
>>
>>> The lin to the issue described on Stack Overflow:
>>>
>>> https://stackoverflow.com/questions/63219405/exception-class-jdk-intern=
al-loader-classloadersappclassloader-cannot-be-cast-t
>>>
>>> onsdag den 10. maj 2023 kl. 20.34.19 UTC+2 skrev fnl:
>>>
>>>> I am able to reproduce this using Java 11.=20
>>>> It seems to work fine under Java 8. So you can use Java 8 as a=20
>>>> workaround until I got a fix for it in Robocode as it seems to be a bu=
g.
>>>>
>>>> The issue is caused by some internal classes in Java that have changed=
,=20
>>>> which Robocode accesses.=20
>>>>
>>>> On Stack Overflow, people have seen similar issues with Spring Boot as=
=20
>>>> well.
>>>>
>>>> Thank you for reporting this. I will try to fix it with the next=20
>>>> version of Robocode. =F0=9F=99=82=F0=9F=91=8D
>>>>
>>>> Best regards,
>>>> - Flemming N. Larsen
>>>>
>>>> tirsdag den 9. maj 2023 kl. 01.01.07 UTC+2 skrev Gabriel Bonfim:
>>>>
>>>>> Hey guys, i have a problem kk
>>>>>
>>>>> When i run robocode using -DNOSECURITY=3Dtrue , i have this error=20
>>>>> message: "caused by: java.lang.classcastexception: class=20
>>>>> jdk.internal.loader.ClassLoaders$AppClassLoader cannot be cast to cla=
ss=20
>>>>> java.net.URLClassLoader (jdk.internal.loader.ClassLoaders$AppClassLoa=
der=20
>>>>> and java.net.URLClassLoader are in module java.base of loader 'boostr=
ap').
>>>>>
>>>>> Help. pls=20
>>>>>
>>>> --=20
>> You received this message because you are subscribed to a topic in the=
=20
>> Google Groups "Robocode" group.
>> To unsubscribe from this topic, visit=20
>> https://groups.google.com/d/topic/robocode/4KZ0KgCxbvE/unsubscribe.
>> To unsubscribe from this group and all its topics, send an email to=20
>> [email protected].
>> To view this discussion on the web visit=20
>> https://groups.google.com/d/msgid/robocode/23099408-8c36-4a6a-8aa7-372f8=
70c44abn%40googlegroups.com=20
>> <https://groups.google.com/d/msgid/robocode/23099408-8c36-4a6a-8aa7-372f=
870c44abn%40googlegroups.com?utm_medium=3Demail&utm_source=3Dfooter>
>> .
>>
>

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Thank you for the heads up. I will have to come up with a better fix for th=
is one.<br />In the meantime, you'll need to stick with Java 8 when using t=
he `-DNOSECURITY=3Dtrue` option, which is not optimal.<br /><br /><div clas=
s=3D"gmail_quote"><div dir=3D"auto" class=3D"gmail_attr">torsdag den 11. ma=
j 2023 kl. 06.36.56 UTC+2 skrev Gabriel Bonfim:<br/></div><blockquote class=
=3D"gmail_quote" style=3D"margin: 0 0 0 0.8ex; border-left: 1px solid rgb(2=
04, 204, 204); padding-left: 1ex;"><div dir=3D"ltr">hey, thanks for the rep=
ly, i&#39;ll test this version and get back to you.<br><div><br></div><div>=
att.</div></div><br><div class=3D"gmail_quote"></div><div class=3D"gmail_qu=
ote"><div dir=3D"ltr" class=3D"gmail_attr">Em qua., 10 de mai. de 2023 =C3=
=A0s 16:48, fnl &lt;<a href data-email-masked rel=3D"nofollow">flemming...@=
gmail.com</a>&gt; escreveu:<br></div></div><div class=3D"gmail_quote"><bloc=
kquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:=
1px solid rgb(204,204,204);padding-left:1ex">Hi again,<br><br>I made a fix =
that seems to work for me. This version has not been released yet, but it w=
ould be great to see if this version works for you?<br><br>Robocode 1.9.5.2=
 with fix:<br><a href=3D"https://robocode.sourceforge.io/files/robocode-1.9=
.5.2-setup.jar" target=3D"_blank" rel=3D"nofollow" data-saferedirecturl=3D"=
https://www.google.com/url?hl=3Dda&amp;q=3Dhttps://robocode.sourceforge.io/=
files/robocode-1.9.5.2-setup.jar&amp;source=3Dgmail&amp;ust=3D1683901251577=
000&amp;usg=3DAOvVaw2pVgsGJIE62-0RcmVRQI1E">https://robocode.sourceforge.io=
/files/robocode-1.9.5.2-setup.jar</a><br><br>Best regards,<div>- Flemming<b=
r><br></div><div class=3D"gmail_quote"><div dir=3D"auto" class=3D"gmail_att=
r">onsdag den 10. maj 2023 kl. 20.35.47 UTC+2 skrev fnl:<br></div><blockquo=
te class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px =
solid rgb(204,204,204);padding-left:1ex">The lin to the issue described on =
Stack Overflow:<br><a href=3D"https://stackoverflow.com/questions/63219405/=
exception-class-jdk-internal-loader-classloadersappclassloader-cannot-be-ca=
st-t" rel=3D"nofollow" target=3D"_blank" data-saferedirecturl=3D"https://ww=
w.google.com/url?hl=3Dda&amp;q=3Dhttps://stackoverflow.com/questions/632194=
05/exception-class-jdk-internal-loader-classloadersappclassloader-cannot-be=
-cast-t&amp;source=3Dgmail&amp;ust=3D1683901251577000&amp;usg=3DAOvVaw2EhH9=
mS7EWL-Z4B-RJptAK">https://stackoverflow.com/questions/63219405/exception-c=
lass-jdk-internal-loader-classloadersappclassloader-cannot-be-cast-t</a><br=
><br><div class=3D"gmail_quote"><div dir=3D"auto" class=3D"gmail_attr">onsd=
ag den 10. maj 2023 kl. 20.34.19 UTC+2 skrev fnl:<br></div><blockquote clas=
s=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid r=
gb(204,204,204);padding-left:1ex">I am able to reproduce this using Java 11=
.=C2=A0<div>It seems to work fine under Java 8. So you can use Java 8 as a =
workaround until I got a fix for it in Robocode as it seems to be a bug.<br=
><br>The issue is caused by some internal classes in Java that have changed=
, which Robocode accesses.=C2=A0</div><div><br></div><div>On Stack Overflow=
, people have seen similar issues with Spring Boot as well.<br><br>Thank yo=
u for reporting this. I will try to fix it with the next version of Robocod=
e. =F0=9F=99=82=F0=9F=91=8D</div><div><br></div><div>Best regards,</div><di=
v>- Flemming N. Larsen<br><br></div><div class=3D"gmail_quote"><div dir=3D"=
auto" class=3D"gmail_attr">tirsdag den 9. maj 2023 kl. 01.01.07 UTC+2 skrev=
 Gabriel Bonfim:<br></div><blockquote class=3D"gmail_quote" style=3D"margin=
:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"=
>Hey guys, i have a problem kk<div><br></div><div>When i run robocode using=
 -DNOSECURITY=3Dtrue , i have this error message: &quot;caused by: java.lan=
g.classcastexception: class jdk.internal.loader.ClassLoaders$AppClassLoader=
 cannot be cast to class java.net.URLClassLoader (jdk.internal.loader.Class=
Loaders$AppClassLoader and java.net.URLClassLoader are in module java.base =
of loader &#39;boostrap&#39;).</div><div><br></div><div>Help. pls=C2=A0</di=
v></blockquote></div></blockquote></div></blockquote></div>

<p></p></blockquote></div><div class=3D"gmail_quote"><blockquote class=3D"g=
mail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204=
,204,204);padding-left:1ex">

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</blockquote></div>

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