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https://issues.apache.org/jira/browse/CASSANDRA-16831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17503864#comment-17503864
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Paulo Motta commented on CASSANDRA-16831:
-----------------------------------------
Upgrading from ant 1.9.16 to ant 1.10.11 fixed this issue.
> Unable to build from source - generate-jflex-java task fails with exception
> regarding JFlex
> -------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-16831
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16831
> Project: Cassandra
> Issue Type: Bug
> Components: Build
> Reporter: Jonathon Henderson
> Priority: Normal
>
> I'm unable to build Cassandra from source by running {{ant}} in the root
> directory on Windows 10, using AdoptOpenJDK 8 and Ant 1.10.11. The build
> fails with the following:
> {code:bash}
> generate-jflex-java:
> BUILD FAILED
> C:\Users\Jonathon\IdeaProjects\cassandra\build.xml:438:
> java.lang.NoSuchMethodError:
> jflex.core.LexParse.getSymbolFactory()Ljava_cup/runtime/SymbolFactory;
> at
> jflex.core.LexParse$CUP$LexParse$actions.CUP$LexParse$do_action_part00000000(LexParse.java:1087)
> at
> jflex.core.LexParse$CUP$LexParse$actions.CUP$LexParse$do_action(LexParse.java:2257)
> at jflex.core.LexParse.do_action(LexParse.java:598)
> at java_cup.runtime.lr_parser.parse(lr_parser.java:569)
> at jflex.generator.LexGenerator.generate(LexGenerator.java:74)
> at jflex.anttask.JFlexTask.execute(JFlexTask.java:78)
> at
> org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:299)
> at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> 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:1401)
> at org.apache.tools.ant.Project.executeTarget(Project.java:1374)
> at
> org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
> at org.apache.tools.ant.Project.executeTargets(Project.java:1264)
> at org.apache.tools.ant.Main.runBuild(Main.java:818)
> 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)
> {code}
> I've also tried doing it through Windows Subsystem for Linux (WSL 2) with the
> same versions of Java and Ant. I get the same error.
> My environment:
> * Windows 10 Pro (Version 20H2, build 19042.1110)
> *
> OpenJDK Runtime Environment (AdoptOpenJDK)(build 1.8.0_292-b10)
> *
> Apache Ant(TM) version 1.10.11 compiled on July 10 2021
> Note: I should probably mention that I'm new to Cassandra and I've never been
> able to build it before. I'm trying to run an initial build before I run the
> script to generate Intellij IDEA files (since generate-jflex-java is executed
> during the generate-idea-files task, it fails there with the error above
> too). If I'm doing something wrong, please let me know.
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