sorry, I missed your pom snippet on this small screen

your classes were compiled with java 1.4

your jar was packaged up by a java 1.5 jre

Sent from my [rhymes with tryPod] ;-)

On 17 Sep 2009, at 22:50, raghu guru <[email protected]> wrote:

thanks for replying

is this means, that configuring compiler version / executable in compiler
plugin will not have any effect on this??

i thought by classes are compiled with javac mentioned in executable tag..

On Thu, Sep 17, 2009 at 4:40 PM, Stephen Connolly <
[email protected]> wrote:

your code was compiled with java 1.5 in compatibility mode for 1.4

providing you have only used classes and methods only from the 1.4 runtime
libraries, everything will be fine

you need to use another tool to ensure that you have not accidentally used
some 1.5 methods (eg String.isEmpty())

animal-sniffer is one tool to do this check for you

Sent from my [rhymes with tryPod] ;-)


On 17 Sep 2009, at 22:32, raghu guru <[email protected]> wrote:

Hi All,

I use Maven 2.2.1 and it runs on JDK 1.5 and above, but my source code is not 1.5 compatible yet, so i configured my compiler plugin as shown below. Everything works fine. but when i look into MANIFEST.MF of my jar file it shows Build-Jdk: 1.5.0_13. So how do i confirm that my code were compiled
with 1.4 only not with 1.5 ??

Please Help

....
.....
<groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
         <configuration>
             <verbose>true</verbose>
             <executable>C:\JDK\ibm-jdk-1.4\bin\javac</executable>
             <compilerVersion>IBM-JDK-1.4</compilerVersion>


Thanks
Jan


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