Java 11的Storm Crawler [英] Storm Crawler with Java 11

问题描述

尝试将Java版本从Java 8更新到Java 11以编译和运行StromCrawler.

Trying to update the Java version from Java 8 to Java 11 to compile and run the StromCrawler.

我的问题- Java 11是否支持Storm Crawler?.

当我在POM中更新Java版本并构建项目时，我已经成功构建了项目，但是当我尝试运行该项目时，在运行InjectorTopology时出现以下错误-

As we I update the java version in my POM and build the project I was successfully build the project but when I tried to run the project I am getting the Following error while running the InjectorTopology-

560  [main] INFO  c.a.h.c.InjectorTopology - ####### The Injector Topology Started #######
563  [main] INFO  c.a.h.c.u.PropertyFileReader - Enter Load Properties File
564  [main] INFO  c.a.h.c.u.PropertyFileReader - Exit Load Properties File
Exception in thread "main" java.lang.ExceptionInInitializerError
        at java.base/java.lang.J9VMInternals.ensureError(J9VMInternals.java:186)
        at java.base/java.lang.J9VMInternals.recordInitializationFailure(J9VMInternals.java:175)
        at clojure.lang.Namespace.<init>(Namespace.java:34)
        at clojure.lang.Namespace.findOrCreate(Namespace.java:176)
        at clojure.lang.Var.internPrivate(Var.java:151)
        at org.apache.storm.LocalCluster.<clinit>(Unknown Source)
        at com.digitalpebble.stormcrawler.ConfigurableTopology.submit(ConfigurableTopology.java:75)
        at com.vinn.hel.crawler.InjectorTopology.run(InjectorTopology.java:57)
        at com.digitalpebble.stormcrawler.ConfigurableTopology.start(ConfigurableTopology.java:50)
        at com.vinn.hel.crawler.InjectorTopology.main(InjectorTopology.java:40)
Caused by: java.lang.IllegalArgumentException: Must hint overloaded method: toArray, compiling:(clojure/gvec.clj:131:1)
        at clojure.lang.Compiler.analyzeSeq(Compiler.java:6730)
        at clojure.lang.Compiler.analyze(Compiler.java:6524)
        at clojure.lang.Compiler.analyze(Compiler.java:6485)
        at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861)
        at clojure.lang.Compiler$LetExpr$Parser.parse(Compiler.java:6179)
        at clojure.lang.Compiler.analyzeSeq(Compiler.java:6723)
        at clojure.lang.Compiler.analyze(Compiler.java:6524)
        at clojure.lang.Compiler.analyze(Compiler.java:6485)
        at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861)
        at clojure.lang.Compiler$FnMethod.parse(Compiler.java:5296)
        at clojure.lang.Compiler$FnExpr.parse(Compiler.java:3925)
        at clojure.lang.Compiler.analyzeSeq(Compiler.java:6721)
        at clojure.lang.Compiler.analyze(Compiler.java:6524)
        at clojure.lang.Compiler.eval(Compiler.java:6779)
        at clojure.lang.Compiler.load(Compiler.java:7227)
        at clojure.lang.RT.loadResourceScript(RT.java:371)
        at clojure.lang.RT.loadResourceScript(RT.java:362)
        at clojure.lang.RT.load(RT.java:446)
        at clojure.lang.RT.load(RT.java:412)
        at clojure.core$load$fn__1621.invoke(core.clj:5866)
        at clojure.core$load.doInvoke(core.clj:5865)
        at clojure.lang.RestFn.invoke(RestFn.java:408)
        at clojure.core$eval2892.invoke(core.clj:6497)
        at clojure.lang.Compiler.eval(Compiler.java:6782)
        at clojure.lang.Compiler.load(Compiler.java:7227)
        at clojure.lang.RT.loadResourceScript(RT.java:371)
        at clojure.lang.RT.loadResourceScript(RT.java:362)
        at clojure.lang.RT.load(RT.java:446)
        at clojure.lang.RT.load(RT.java:412)
        at clojure.lang.RT.doInit(RT.java:454)
        at clojure.lang.RT.<clinit>(RT.java:330)
        ... 8 more
Caused by: java.lang.IllegalArgumentException: Must hint overloaded method: toArray
        at clojure.lang.Compiler$NewInstanceMethod.parse(Compiler.java:8050)
        at clojure.lang.Compiler$NewInstanceExpr.build(Compiler.java:7642)
        at clojure.lang.Compiler$NewInstanceExpr$DeftypeParser.parse(Compiler.java:7523)
        at clojure.lang.Compiler.analyzeSeq(Compiler.java:6723)
        ... 38 more```

推荐答案

要添加到Joachim的注释中，似乎需要Clojure 1.8才能运行Java11.Storm1.2.3随Clojure 1.7一起提供.

To add to Joachim's comment, it looks like Clojure 1.8 is needed in order to run Java 11. Storm 1.2.3 comes with Clojure 1.7.

您可以覆盖StormCrawler项目的POM中的依赖关系，但这仅在本地模式下有效.在部署模式下，您还需要更改安装Storm的依赖关系.

You could override the dependency in the POM of your StormCrawler project but this will work only in local mode. In deployed mode, you'd also need to change the dependency where Storm is installed.

使用StormCrawler 2.x和最新的Apache Storm可能会更容易，后者完全不依赖Clojure或仅使用Java 8运行它.

It might be easier to use StormCrawler 2.x and the latest Apache Storm, which does not depend on Clojure at all or simply run it with Java 8.

这篇关于Java 11的Storm Crawler的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！