我从ProM-GettingStarted获得了一个项目Getting Started。安装Ivy插件后，我已将其导入eclipse中。但是当我尝试对其进行编译时，控制台将显示“ BUILD FAILED”。
我尝试将jdk从1.7更改为1.8，然后再次更改为1.7。
当我在“ cmd窗口”中输入“ java -version”和“ javac -version”时，可以看到正确的信息。
我已经复制了工具。从jdk / lib到jre / lib的jar。
我一直在寻找解决方案，但是没有用。
compile: [echo] [build] Compiling the sources [javac] D:\workspace\GettingStarted\Trunk\build.xml:42: warning: 'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds [javac] Compiling 11 source files to D:\workspace\GettingStarted\Trunk\bindist [javac] javac: Invalid target distribution: ${bytecode_format} [javac] 用法: javac <options> <source files> [javac] -helpBUILD FAILEDD:\workspace\GettingStarted\Trunk\build.xml:111: The following error occurred while executing this line:D:\workspace\GettingStarted\Trunk\build.xml:42: Compile failed; see the compiler error output for details. at org.apache.tools.ant.ProjectHelper.addLocationToBuildException(ProjectHelper.java:551) at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.java:401) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:348) at org.apache.tools.ant.Target.execute(Target.java:390) at org.apache.tools.ant.Target.performTasks(Target.java:411) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399) at org.apache.tools.ant.Project.executeTarget(Project.java:1368) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.eclipse.ant.internal.launching.remote.EclipseDefaultExecutor.executeTargets(EclipseDefaultExecutor.java:32) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.eclipse.ant.internal.launching.remote.InternalAntRunner.run(InternalAntRunner.java:424) at org.eclipse.ant.internal.launching.remote.InternalAntRunner.main(InternalAntRunner.java:138)Caused by: D:\workspace\GettingStarted\Trunk\build.xml:42: Compile failed; see the compiler error output for details. at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:1150) at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:912) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:348) at org.apache.tools.ant.taskdefs.Sequential.execute(Sequential.java:68) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:348) at org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.java:398) ... 15 more
我希望可以正常运行，请帮助我。