ClassNotFoundException at HostServicesDelegate

Yasumasa Suenaga yasuenag at gmail.com
Tue Jun 28 15:08:35 UTC 2016


Hi Kevin,

I use JDK 9 EA b124 for Windows x64 from java.net.
  https://jdk9.java.net/download/

If you want to full stack trace, please download from here:
  http://icedtea.classpath.org/bugzilla/attachment.cgi?id=1540&action=edit

This exception does not occur on OracleJDK 8. So I guess this exception is
from Java FX 9.

Thanks,

Yasumasa
2016/06/28 23:52 "Kevin Rushforth" <kevin.rushforth at oracle.com>:

> Hi Yasumasa,
>
> I assume this is a download of the Oracle JDK from java.net? We haven't
> seen any problems like this, so it might be a problem with HeapStats
> analyzer. The class in question is a closed-source class that lives in the
> javafx.deploy module. What exactly are you running?
>
> -- Kevin
>
>
> Yasumasa Suenaga wrote:
>
>> Hi all,
>>
>> When I ran HeapStats Analyzer [1] on JDK 9 EA b124, I encountered
>> ClassNotFoundException as below:
>> ------------
>> java.lang.ClassNotFoundException:
>> com.sun.deploy.uitoolkit.impl.fx.HostServicesFactory
>>         at jdk.internal.loader.BuiltinClassLoader.loadClass(java.base at 9-ea/BuiltinClassLoader.java:366)
>>
>>         at java.lang.ClassLoader.loadClass(java.base at 9-ea
>> /ClassLoader.java:419)
>>         at java.lang.Class.forName0(java.base at 9-ea/Native Method)
>>         at java.lang.Class.forName(java.base at 9-ea/Class.java:378)
>>         at
>> com.sun.javafx.application.HostServicesDelegate.lambda$getInstance$0(javafx.graphics at 9-ea/HostServicesDelegate.java:52)
>>
>>           :
>> ------------
>>
>> This message does not appear on JDK 8u92.
>> I think this message is printed at [2].
>>
>> I think this exception message do not need to be printed.
>> At least, it is debug level.
>>
>> Does someone work for it?
>> If not so, I want to contribute patch.
>>
>>
>> Thanks,
>>
>> Yasumasa
>>
>>
>> [1] http://icedtea.classpath.org/wiki/HeapStats
>> [2]
>> http://hg.openjdk.java.net/openjfx/9-dev/rt/file/3597495167c7/modules/graphics/src/main/java/com/sun/javafx/application/HostServicesDelegate.java#l58
>>
>


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