无法运行java -cp antlr4-4.0.jar org.anlr.v4.Tool
无法运行java -cp antlr4-4.0.jar org.anlr.v4.Tool
提问于 2013-06-02 19:40:14
<dependencies>
<dependency org="org.apache.commons" name="commons-math3" rev="3.2"/>
<dependency org="org.antlr" name="antlr4" rev="4.0"/>
<dependency org="org.antlr" name="antlr4-runtime" rev="4.0"/>
<dependency org="org.antlr" name="antlr4-master" rev="4.0"/>
</dependencies>我使用Ivy并使用ant脚本将上面的依赖jars下载到lib目录中。antlr4-4.0.jar就是其中一个依赖项。但当我在终端中执行此操作时：
java -cp antlr4-4.0.jar org.antlr.v4.Tool我得到了这个例外：
Exception in thread "main" java.lang.NoClassDefFoundError: org/antlr/v4/runtime /misc/ParseCancellationException
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:787)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:447)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2451)
at java.lang.Class.getMethod0(Class.java:2694)
at java.lang.Class.getMethod(Class.java:1622)
at sun.launcher.LauncherHelper.getMainMethod(LauncherHelper.java:494)
at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:486)
Caused by: java.lang.ClassNotFoundException: org.antlr.v4.runtime.misc.ParseCancellationException
... 25 more我做错了什么？
回答 2
Stack Overflow用户
回答已采纳
发布于 2013-06-03 16:59:56
多亏了earcam，我解决了这个问题，我把所有的依赖项添加到类路径中，以：
java -cp lib/antlr4-4.0.jar:lib/antlr4-runtime-4.0.jar:lib/stringtemplate-3.2.1.jar:lib/ST4-4.0.7.jar:lib/antlr-runtime-3.5.jar org.antlr.v4.ToolStack Overflow用户
发布于 2013-06-03 17:35:42
另一种选择是使用ivy作为standalone jar来启动antl4r：
$ java -jar ivy-2.3.0.jar -dependency org.antlr antlr4 4.0 -confs default -warn -main org.antlr.v4.Tool
ANTLR Parser Generator Version 4.0
-o ___ specify output directory where all output is generated
-lib ___ specify location of grammars, tokens files
-atn generate rule augmented transition network diagrams
-encoding ___ specify grammar file encoding; e.g., euc-jp
-message-format ___ specify output style for messages in antlr, gnu, vs2005
-long-messages show exception details when available for errors and warnings
-listener generate parse tree listener (default)
-no-listener don't generate parse tree listener
-visitor generate parse tree visitor
-no-visitor don't generate parse tree visitor (default)
-package ___ specify a package/namespace for the generated code
-depend generate file dependencies
-D<option>=value set/override a grammar-level option
-Werror treat warnings as errors
-XdbgST launch StringTemplate visualizer on generated code
-XdbgSTWait wait for STViz to close before continuing
-Xforce-atn use the ATN simulator for all predictions
-Xlog dump lots of logging info to antlr-timestamp.log创建一个别名，您就有了一种自动启动antlr4的机制：
alias antlr4='java -jar ivy-2.3.0.jar -dependency org.antlr antlr4 4.0 -confs default -warn -main org.antlr.v4.Tool -args'这种方法唯一的缺点是传递选项的效果不是很好:-(
antlr4 Hello.g4 -o test页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/16882392
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