Java编译警告解决-优快云博客

本文记录了一次在Java工程编译过程中遇到的警告错误及异常情况。错误主要源于某些文件中存在无法映射到GBK编码的字符，特别是注释部分。通过删除含有乱码的注释内容成功解决了该问题。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

今天编辑一个工程出现如下错误


    [javac] E:\java\acegicas\contactsforchapter5basic\src\sample\contact\AdminPe
rmissionController.java:43: warning: unmappable character for encoding GBK
    [javac]  * @version $Id: AdminPermissionController.java 1754 2006-11-17 02:0
1:21 +0000 (鏄熸湡浜?, 17 鍗佷竴鏈? 2006) benalex $
    [javac]
                          ^
    [javac] E:\java\acegicas\contactsforchapter5basic\src\sample\contact\Contact
Manager.java:27: warning: unmappable character for encoding GBK
    [javac]  * @version $Id: ContactManager.java 1754 2006-11-17 02:01:21 +0000
(鏄熸湡浜?, 17 鍗佷竴鏈? 2006) benalex $
    [javac]
     ^
    [javac] E:\java\acegicas\contactsforchapter5basic\src\sample\contact\Contact
Manager.java:27: warning: unmappable character for encoding GBK
    [javac]  * @version $Id: ContactManager.java 1754 2006-11-17 02:01:21 +0000
(鏄熸湡浜?, 17 鍗佷竴鏈? 2006) benalex $
    [javac]
               ^
    [javac] An exception has occurred in the compiler (1.5.0_02). Please file a
bug at the Java Developer Connection (http://java.sun.com/webapps/bugreport)  af
ter checking the Bug Parade for duplicates. Include your program and the followi
ng diagnostic in your report.  Thank you.
    [javac] java.nio.BufferOverflowException
    [javac]     at java.nio.Buffer.nextPutIndex(Buffer.java:419)
    [javac]     at java.nio.HeapCharBuffer.put(HeapCharBuffer.java:145)
    [javac]     at com.sun.tools.javac.parser.Scanner.decode(Scanner.java:397)
    [javac]     at com.sun.tools.javac.parser.Scanner.<init>(Scanner.java:296)
    [javac]     at com.sun.tools.javac.parser.Scanner.<init>(Scanner.java:235)
    [javac]     at com.sun.tools.javac.parser.Scanner$Factory.newScanner(Scanner
.java:69)
    [javac]     at com.sun.tools.javac.main.JavaCompiler.parse(JavaCompiler.java
:264)
    [javac]     at com.sun.tools.javac.main.JavaCompiler.parse(JavaCompiler.java
:291)
    [javac]     at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.ja
va:408)
    [javac]     at com.sun.tools.javac.main.Main.compile(Main.java:592)
    [javac]     at com.sun.tools.javac.main.Main.compile(Main.java:544)
    [javac]     at com.sun.tools.javac.Main.compile(Main.java:67)
    [javac]     at com.sun.tools.javac.Main.main(Main.java:52)

BUILD FAILED
E:\java\acegicas\contactsforchapter5basic\gbc.xml:75: Compile failed; see the co
mpiler error output for details.

Total time: 1 second

解决办法，把包含乱码的注释删掉



/**
 * Validates {@link WebContact}.
 *
 * @author Ben Alex
 * @version $Id: WebContactValidator.java 1740 2006-11-14 02:30:00 +0000 (鏄熸湡浜�, 14 鍗佷竴鏈� 2006) benalex $
 */

编辑错误