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From Rick Hillegas <rick.hille...@gmail.com>
Subject Re: Early Access builds of JDK 8u76 b02, JDK 9 build b100 & build b99 for JDK 9 with Project Jigsaw are available on java.net
Date Tue, 02 Feb 2016 02:20:29 GMT
Thanks, Dalibor.

Cheers,
-Rick

On 2/1/16 2:05 PM, dalibor topic wrote:
> Hi Rick,
>
> when cross-compiling for an earlier release you must use the 
> corresponding class library for that earlier release or use the new 
> platform flag in JDK 9.
>
> Please see 
> https://blogs.oracle.com/darcy/entry/how_to_cross_compile_for and 
> http://openjdk.java.net/jeps/247 for more information.
>
> cheers,
> dalibor topic
>
> On 30.01.2016 22:33, Rick Hillegas wrote:
>> Hi Rory, Dalibor, Balchandra, and Muneer,
>>
>> I have gotten the Derby build to work using the javac supplied by b100
>> of java 9 (referenced below). I have tripped across the following 
>> problem:
>>
>> If I use the java 9 javac to compile the attached program down to java 8
>> byte code thusly...
>>
>>      javac -source 1.8 -target 1.8 ByteBufferTest.java
>>
>> ...then the result runs fine under java 9 but fails under java 8 with
>> the following error message:
>>
>> Exception in thread "main" java.lang.NoSuchMethodError:
>> java.nio.ByteBuffer.clear()Ljava/nio/ByteBuffer;
>>      at ByteBufferTest.main(ByteBufferTest.java:9)
>>
>> Is there something special which I need to do in order to use the java 9
>> javac to compile programs which will run under java 8?
>>
>> Thanks,
>> -Rick
>>
>> On 1/15/16 3:02 AM, Rory O'Donnell wrote:
>>>
>>> Hi Rick,
>>>
>>> Early Access b02 <https://jdk8.java.net/download.html> for JDK 8u76 is
>>> available on java.net, summary of  changes are listed here
>>> <http://download.java.net/jdk8u76/changes/jdk8u76-b02.html>.
>>>
>>> Early Access b100 <https://jdk9.java.net/download/> for JDK 9 is
>>> available on java.net, summary of  changes are listed here
>>> <http://download.java.net/jdk9/changes/jdk-9+100.html>.
>>>
>>> Early Access b99 <https://jdk9.java.net/jigsaw/> for JDK 9 with
>>> Project Jigsaw is available on java.net, summary of changes are listed
>>> here 
>>> <http://download.java.net/jigsaw/archive/99/binaries/jdk-9+99.html> .
>>>
>>> Dalibor and I will be at FOSDEM '16, Brussels 30 & 31 January, link to
>>> our presentation here.
>>> <https://fosdem.org/2016/schedule/event/preparing_for_jdk_nine/>
>>> Let us know if you will be there, hopefully we can meet up !
>>>
>>> Rgds,Rory
>>>
>>> -- 
>>> Rgds,Rory O'Donnell
>>> Quality Engineering Manager
>>> Oracle EMEA , Dublin, Ireland
>>
>


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