javac的命令行参数.txt

本文详细介绍了 Java 编译器 javac 的各种选项及其用途,包括调试信息生成、优化设置、警告抑制等。此外还介绍了如何指定类路径、源文件路径以及目标 VM 版本等。

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Usage: javac  <options>  <source files>

where <options> include:
-g                                 Generate all debugging info
-g:none                            Generate no debugging info
-g:{lines,vars,source}             Generate only some debugging info
-O                                 optimize;may hinder debugging or enlarge class files                   
-nowarn                            Generate no warnings
-verbose                           Output messages about what the compiler is doing
-deprecation                       Output source locations where deprecated APIs are used
-classpath <path>                  Specify where to find user class files
-sourcepath <path>                 Specify where to find input source files
-bootclasspath <path>              Override location of bootstrap class files
-extdirs <dirs>                    Override location of installed extensions
-d <directory>                     Specify where to place generated class files
-encoding <encoding>               Specify character encoding used by source files
-target <release>                  Generate class files for specific VM version

java: java.lang.OutOfMemoryError: GC overhead limit exceeded java.lang.RuntimeException: java.lang.OutOfMemoryError: GC overhead limit exceeded at com.sun.tools.javac.main.Main.compile(Main.java:559) at com.sun.tools.javac.api.JavacTaskImpl.doCall(JavacTaskImpl.java:129) at com.sun.tools.javac.api.JavacTaskImpl.call(JavacTaskImpl.java:138) at org.jetbrains.jps.javac.JavacMain.compile(JavacMain.java:239) at org.jetbrains.jps.javac.ExternalJavacProcess.compile(ExternalJavacProcess.java:189) at org.jetbrains.jps.javac.ExternalJavacProcess.access$400(ExternalJavacProcess.java:28) at org.jetbrains.jps.javac.ExternalJavacProcess$CompilationRequestsHandler$1.run(ExternalJavacProcess.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded at java.io.BufferedInputStream.<init>(BufferedInputStream.java:203) at java.io.BufferedInputStream.<init>(BufferedInputStream.java:183) at org.jetbrains.jps.javac.ZipFileObject.openInputStream(ZipFileObject.java:48) at com.sun.tools.javac.api.ClientCodeWrapper$WrappedFileObject.openInputStream(ClientCodeWrapper.java:426) at com.sun.tools.javac.jvm.ClassReader.fillIn(ClassReader.java:2510) at com.sun.tools.javac.jvm.ClassReader.complete(ClassReader.java:2442) at com.sun.tools.javac.jvm.ClassReader.access$000(ClassReader.java:76) at com.sun.tools.javac.jvm.ClassReader$1.complete(ClassReader.java:240) at com.sun.tools.javac.code.Symbol.complete(Symbol.java:574) at com.sun.tools.javac.code.Symbol$ClassSymbol.complete(Symbol.java:1037) at com.sun.tools.javac.code.Symbol$ClassSymbol.members(Symbol.java:978) at com.sun.tools.javac.jvm.ClassReader$AnnotationDeproxy.visitEnumAttributeProxy(ClassReader.java:1854) at com.sun.tools.javac.jvm.ClassReader$EnumAttributeProxy.accept(ClassReader.java:1676) at com.sun.tools.javac.jvm.ClassReader$AnnotationDeproxy.deproxy(ClassReader.java:1814) at com.sun.tools.javac.jvm.ClassReader$AnnotationDefaultCompleter.run(ClassReader.java:1918) at com.sun.tools.javac.comp.Annotate.flush(Annotate.java:143) at com.sun.tools.javac.comp.Annotate.enterDone(Annotate.java:129) at com.sun.tools.javac.comp.Enter.complete(Enter.java:512) at com.sun.tools.javac.comp.Enter.main(Enter.java:471) at com.sun.tools.javac.main.JavaCompiler.enterTrees(JavaCompiler.java:982) at com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.enterTrees(JavacProcessingEnvironment.java:1015) at com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.<init>(JavacProcessingEnvironment.java:902) at com.sun.tools.javac.processing.JavacProcessingEnvironment$Round.next(JavacProcessingEnvironment.java:921) at com.sun.tools.javac.processing.JavacProcessingEnvironment.doProcessing(JavacProcessingEnvironment.java:1187) at com.sun.tools.javac.main.JavaCompiler.processAnnotations(JavaCompiler.java:1170) at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:856) at com.sun.tools.javac.main.Main.compile(Main.java:523) at com.sun.tools.javac.api.JavacTaskImpl.doCall(JavacTaskImpl.java:129) at com.sun.tools.javac.api.JavacTaskImpl.call(JavacTaskImpl.java:138) at org.jetbrains.jps.javac.JavacMain.compile(JavacMain.java:239) at org.jetbrains.jps.javac.ExternalJavacProcess.compile(ExternalJavacProcess.java:189) at org.jetbrains.jps.javac.ExternalJavacProcess.access$400(ExternalJavacProcess.java:28)
05-20
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