Maven java compiler plugin's default source setting is 1.3. One way is to override it in the pom.xml as follows.
<project xmlns="http://maven.apache.org/POM/4.0.0"; xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance"; xsi:schemaLocation= "http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd";> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.5</source> <target>1.5</target> </configuration> </plugin> </plugins> </build> </project> See http://maven.apache.org/plugins/maven-compiler-plugin/ Upul On Tue, Aug 5, 2008 at 9:18 AM, Michael McGrady < [EMAIL PROTECTED]> wrote: > The stack trace with -e is: > > [INFO] > ------------------------------------------------------------------------ > [INFO] Trace > org.apache.maven.BuildFailureException: Compilation failure > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:579) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:499) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:478) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:330) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:291) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:142) > at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:336) > at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129) > at org.apache.maven.cli.MavenCli.main(MavenCli.java:287) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:585) > at > org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315) > at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) > at > org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430) > at org.codehaus.classworlds.Launcher.main(Launcher.java:375) > Caused by: org.apache.maven.plugin.CompilationFailureException: Compilation > failure > at > org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:516) > at > org.apache.maven.plugin.CompilerMojo.execute(CompilerMojo.java:114) > at > org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:451) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:558) > ... 16 more > > > > Begin forwarded message: > > From: Michael McGrady <[EMAIL PROTECTED]> >> Date: August 4, 2008 8:46:58 PM PDT >> To: Maven Users List <users@maven.apache.org> >> Subject: Java Version >> >> I set up maven as directed and it worked great yesterday. Today, not so >> great. Today it complains that Java 1.3 does not handle generics, but I am >> using Java 1.5. The mvn --version shows I am using Java 1.5: >> >> Maven version: 2.0.9 >> Java version: 1.5.0_13 >> OS name: "mac os x" version: "10.5.4" arch: "i386" Family: "unix" >> >> What is happening? >> >> Mike >> >> Michael McGrady >> Senior Engineer >> [EMAIL PROTECTED] >> 1 (253) 720-3365 >> >> "I don't understand why people are frightened by new ideas. It's the old >> ideas that frighten me." -- John Cage >> >> >> >> >> >> >> >
