NullPointerException ant.util.ChainedMapper.java:36

Jaikiran Pai

2018-03-03 23:57:58 UTC

Hi Ahmet,

This is actually a bug in Ant 1.10.2 that we released recently. It got
reported a while back here
https://bz.apache.org/bugzilla/show_bug.cgi?id=62086 and we have fixed
itin Ant upstream repo and it will be available in one of our next
release soon.

-Jaikiran

Post by Ahmet ARSLAN
Hi all,
I have installed Ant 1.10.2 along with Java 9.0.4.
When I clone and https://github.com/apache/lucene-solr run ‘ant’, I get the following track trace.
I figured that, null pointer exception looks coming from tools.ant.util.ChainedMapper.
Does Ant 1.10.2 work with java9?
Thanks,
Ahmet
/Users/iorixxx/Desktop/lucene-solr/lucene/common-build.xml:623: java.lang.NullPointerException
at java.base/java.util.Arrays.stream(Arrays.java:5610)
at java.base/java.util.stream.Stream.of(Stream.java:1187)
at java.base/java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:269)
at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:550)
at java.base/java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260)
at java.base/java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:450)
at org.apache.tools.ant.util.ChainedMapper.lambda$mapFileName$1(ChainedMapper.java:36)
at java.base/java.util.stream.ReduceOps$1ReducingSink.accept(ReduceOps.java:80)
at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1494)
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913)
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.base/java.util.stream.ReferencePipeline.reduce(ReferencePipeline.java:496)
at org.apache.tools.ant.util.ChainedMapper.mapFileName(ChainedMapper.java:35)
at org.apache.tools.ant.util.CompositeMapper.lambda$mapFileName$0(CompositeMapper.java:32)
at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177)
at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1494)
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:550)
at java.base/java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260)
at java.base/java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:450)
at org.apache.tools.ant.util.CompositeMapper.mapFileName(CompositeMapper.java:33)
at org.apache.tools.ant.taskdefs.PathConvert.execute(PathConvert.java:363)
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:106)
at org.apache.tools.ant.Task.perform(Task.java:346)
at org.apache.tools.ant.Target.execute(Target.java:448)
at org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:172)
at org.apache.tools.ant.taskdefs.ImportTask.importResource(ImportTask.java:221)
at org.apache.tools.ant.taskdefs.ImportTask.execute(ImportTask.java:165)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
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:106)
at org.apache.tools.ant.Task.perform(Task.java:346)
at org.apache.tools.ant.Target.execute(Target.java:448)
at org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:183)
at org.apache.tools.ant.ProjectHelper.configureProject(ProjectHelper.java:93)
at org.apache.tools.ant.Main.runBuild(Main.java:824)
at org.apache.tools.ant.Main.startAnt(Main.java:228)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:283)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:101)
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