我从https://github.com/apache/lucene-solr.git分叉了lucene-solr。 然后在目录中运行ant并得到以下错误。
alexkkk @ alexkkk-host:lucene-solr /(master)$ ant idea [16:44:41] 构建文件:/Users/alexkkk/Projects/lucene-solr/build.xml
建立失败 /Users/alexkkk/Projects/lucene-solr/build.xml:21:执行此行时发生以下错误: /Users/alexkkk/Projects/lucene-solr/lucene/common-build.xml:623:java.lang.NullPointerException 在java.util.Arrays.stream(Arrays.java:5004) 在java.util.stream.Stream.of(Stream.java:1000) at java.util.stream.ReferencePipeline $ 7 $ 1.accept(ReferencePipeline.java:267) at java.util.stream.ReferencePipeline $ 3 $ 1.accept(ReferencePipeline.java:193) at java.util.Spliterators $ ArraySpliterator.forEachRemaining(Spliterators.java:948) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) 在java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:545) at java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260) 在java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:438) at org.apache.tools.ant.util.ChainedMapper.lambda $ mapFileName $ 1(ChainedMapper.java:36) at java.util.stream.ReduceOps $ 1ReducingSink.accept(ReduceOps.java:80) at java.util.ArrayList $ ArrayListSpliterator.forEachRemaining(ArrayList.java:1374) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) 在java.util.stream.ReduceOps $ ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) 在java.util.stream.ReferencePipeline.reduce(ReferencePipeline.java:484) at org.apache.tools.ant.util.ChainedMapper.mapFileName(ChainedMapper.java:35) at org.apache.tools.ant.util.CompositeMapper.lambda $ mapFileName $ 0(CompositeMapper.java:32) at java.util.stream.ReferencePipeline $ 3 $ 1.accept(ReferencePipeline.java:193) at java.util.stream.ReferencePipeline $ 2 $ 1.accept(ReferencePipeline.java:175) at java.util.ArrayList $ ArrayListSpliterator.forEachRemaining(ArrayList.java:1374) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) 在java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:545) at java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260) 在java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:438) at org.apache.tools.ant.util.CompositeMapper.mapFileName(CompositeMapper.java:33) 在org.apache.tools.ant.taskdefs.PathConvert.execute(PathConvert.java:363) 在org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292) at sun.reflect.GeneratedMethodAccessor4.invoke(未知来源) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 在org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:346) 在org.apache.tools.ant.Target.execute(Target.java:448) 在org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:172) at org.apache.tools.ant.taskdefs.ImportTask.importResource(ImportTask.java:221) 在org.apache.tools.ant.taskdefs.ImportTask.execute(ImportTask.java:165) 在org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) 在org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:346) 在org.apache.tools.ant.Target.execute(Target.java:448) 在org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:183) 在org.apache.tools.ant.ProjectHelper.configureProject(ProjectHelper.java:93) 在org.apache.tools.ant.Main.runBuild(Main.java:824) 在org.apache.tools.ant.Main.startAnt(Main.java:228) 在org.apache.tools.ant.launch.Launcher.run(Launcher.java:283) 在org.apache.tools.ant.launch.Launcher.main(Launcher.java:101)
总时间:0秒
答案 0 :(得分:0)
正如本thread所述。您必须将您的蚂蚁从版本1.10.2降级到1.10.1或1.9。
如果你使用Mac并使用自制软件来安装你的蚂蚁。你可以安装ant 1.9。
brew install ant@1.9
然后取消链接版本1.10.2并链接版本1.9。
brew unlink ant
brew link --force ant@1.9
使用ant 1.9,您应该能够编译Lucene。