UnsupportedClassVersionError on unit test using java 1.5

[Piotr Skawinski <p_...@hotmail.com>]

Hi,I'm using java 1.4 for general build (and so my JAVA_HOME points to the jdk 1.4). But one subproject is build with java 1.5 and this is specified in its pom.xml file:<plugin>        <groupId>org.apache.maven.plugins</groupId>        <artifactId>maven-compiler-plugin</artifactId>        <configuration>            <verbose>true</verbose>            <fork>true</fork>            <executable>C:\Program Files\Java\jdk1.5.0_06\bin\javac</executable>            <compilerVersion>1.5</compilerVersion>            <source>1.5</source>            <target>1.5</target>        </configuration>      </plugin>When I run my unit test I get UnsupportedClassVersionError with follwing stack trace:----------------------------------------------------------------------------------------------------[INFO] Surefire report directory: F:\CC_Work\isk_SI-Main\si-serviceinfrastructure\cb-mob-proj\si-to-mainframe-bean\target\surefire-reportsorg.apache.maven.surefire.booter.SurefireExecutionException: dk/pfa/si/adapter/bs2000/bc/BS2000IsDownTest (Unsupported major.minor version 49.0); nested exception is java.lang.UnsupportedClassVersionError: dk/pfa/si/adapter/bs2000/bc/BS2000IsDownTest (Unsupported major.minor version 49.0)java.lang.UnsupportedClassVersionError: dk/pfa/si/adapter/bs2000/bc/BS2000IsDownTest (Unsupported major.minor version 49.0)        at java.lang.ClassLoader.defineClass(Ljava/lang/String;[BIILjava/security/ProtectionDomain;)Ljava/lang/Class;(Unknown Source)        at java.security.SecureClassLoader.defineClass(Ljava/lang/String;[BIILjava/security/CodeSource;)Ljava/lang/Class;(SecureClassLoader.java:123)        at java.net.URLClassLoader.defineClass(Ljava/lang/String;Lsun/misc/Resource;)Ljava/lang/Class;(URLClassLoader.java:251)        at java.net.URLClassLoader.access$100(Ljava/net/URLClassLoader;Ljava/lang/String;Lsun/misc/Resource;)Ljava/lang/Class;(URLClassLoader.java:55)        at java.net.URLClassLoader$1.run()Ljava/lang/Object;(URLClassLoader.java:194)        at jrockit.vm.AccessController.do_privileged_exc(Ljava/security/Privileg----------------------------------------------------------------------------------------------------This is somehow also understandable, as I expect that unit test is executed by jdk
1.4 while the class file is compiled with jdk 1.5. Is it possible to
specify in the pom.xml that unit test should also be executed by jdk 1.5 even though
my JAVA_HOME points to jdk 1.4??



Any help will be appreciated.Best regards, Piotr


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Re: UnsupportedClassVersionError on unit test using java 1.5

[Wendy Smoak <ws...@gmail.com>]

On 5/31/07, Piotr Skawinski <p_...@hotmail.com> wrote:

> Is it possible to specify in the pom.xml that unit test should also be executed by jdk
> 1.5 even though my JAVA_HOME points to jdk 1.4??

This might help...
http://docs.codehaus.org/display/MAVENUSER/Compile+and+Test+with+Different+JDK+Versions

-- 
Wendy

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