我正在 https://github.com/oracle/visualvm 构建这个项目。我的系统中有 JDK10。我将构建 xml 中的源和目标选项从 1.5 更改为 1.8，因为出现错误说不再支持 1.5。现在，我收到一个编译错误，指向 common.xml它位于其他某个子文件夹中。
我不知道，出了什么问题，因为错误日志也非常模糊。另外，我是第一次与蚂蚁合作。
这是日志。
C:devjvisualvmvisualvmvisualvmnetbeansharnesssuite.xml:163: The following error occurred while executing this line:
C:devjvisualvmvisualvmvisualvmnetbeansharnesscommon.xml:200: Compile failed; see the compiler error output for details.
at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:1425)
at org.netbeans.nbbuild.CustomJavac.compile(CustomJavac.java:102)
at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:1133)
at org.netbeans.nbbuild.CustomJavac.execute(CustomJavac.java:83)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
at jdk.internal.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
at org.apache.tools.ant.Task.perform(Task.java:350)
at org.apache.tools.ant.Target.execute(Target.java:449)
at org.apache.tools.ant.Target.performTasks(Target.java:470)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1388)
at org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:36)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:437)
at org.apache.tools.ant.taskdefs.SubAnt.execute(SubAnt.java:306)
at org.apache.tools.ant.taskdefs.SubAnt.execute(SubAnt.java:225)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
at jdk.internal.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
at org.apache.tools.ant.Task.perform(Task.java:350)
at org.apache.tools.ant.Target.execute(Target.java:449)
at org.apache.tools.ant.Target.performTasks(Target.java:470)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1388)
at org.apache.tools.ant.Project.executeTarget(Project.java:1361)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.Main.runBuild(Main.java:834)
at org.apache.tools.ant.Main.startAnt(Main.java:223)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:284)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:101)
引发错误的常见.xml部分如下所示。(NB-javac SRCDIR TAG(
<target name="compile" depends="init,up-to-date" unless="is.jar.uptodate">
<mkdir dir="${build.classes.dir}"/>
<depend srcdir="${src.dir}" destdir="${build.classes.dir}" cache="${build.dir}/depcache">
<classpath refid="cp"/>
</depend>
<property name="javac.fork" value="false"/>
<nb-javac srcdir="${src.dir}" destdir="${build.classes.dir}" debug="${build.compiler.debug}" debuglevel="${build.compiler.debuglevel}" encoding="UTF-8"
deprecation="${build.compiler.deprecation}" optimize="${build.compiler.optimize}" source="1.8" target="1.8" includeantruntime="false"
fork="false">
<classpath refid="cp"/>
<compilerarg line="${javac.compilerargs}"/>
<processorpath refid="processor.cp"/>
</nb-javac>
<copy todir="${build.classes.dir}">
<fileset dir="${src.dir}" excludes="${jar-excludes}"/>
</copy>
<processjsannotation classes="${build.classes.dir}" asm="${asm.jar}">
<classpath refid="cp"/>
</processjsannotation>
</target>
谁能指出我解决这个问题的方向？
你需要用JDK 8构建VisualVM。 https://github.com/oracle/visualvmGet the tools一节中清楚地提到了它。