ant problem >

[chenghong]

i actually compile my application with successfully in server A but not in server B. anything wrong ? the compilation give me this message. compile:     [javac] Compiling 19 source files to /tmp/S3/webapps/svrmgr/WEB-INF/classes     [javac] An exception has occurred in the compiler (1.3.1). Please file a bug at the Java Developer Connection (http://java.sun.com/cgi-bin/bugreport.cgi).  Include your program and the following diagnostic in your report.  Thank you.     [javac] java.lang.InternalError: jzentry == 0     [javac]     at java.util.zip.ZipFile$2.nextElement(ZipFile.java:297)     [javac]     at com.sun.tools.javac.v8.code.ClassReader.openArchive(ClassReader.java:893)     [javac]     at com.sun.tools.javac.v8.code.ClassReader.list(ClassReader.java:1095)     [javac]     at com.sun.tools.javac.v8.code.ClassReader.listAll(ClassReader.java:1191)     [javac]     at com.sun.tools.javac.v8.code.ClassReader.fillIn(ClassReader.java:1213)     [javac]     at com.sun.tools.javac.v8.code.ClassReader.complete(ClassReader.java:955)     [javac]     at com.sun.tools.javac.v8.code.Symbol.complete(Symbol.java:366)     [javac]     at com.sun.tools.javac.v8.comp.Enter._case(Enter.java:424)     [javac]     at com.sun.tools.javac.v8.tree.Tree$TopLevel.visit(Tree.java:349)     [javac]     at com.sun.tools.javac.v8.comp.Enter.classEnter(Enter.java:392)     [javac]     at com.sun.tools.javac.v8.comp.Enter.classEnter(Enter.java:410)     [javac]     at com.sun.tools.javac.v8.comp.Enter.main(Enter.java:540)     [javac]     at com.sun.tools.javac.v8.JavaCompiler.compile(JavaCompiler.java:357)     [javac]     at com.sun.tools.javac.v8.Main.compile(Main.java:247)     [javac]     at com.sun.tools.javac.Main.compile(Main.java:26)     [javac]     at java.lang.reflect.Method.invoke(Native Method)     [javac]     at org.apache.tools.ant.taskdefs.Javac.doModernCompile(Javac.java:525)     [javac]     at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:334)     [javac]     at org.apache.tools.ant.Target.execute(Target.java:142)     [javac]     at org.apache.tools.ant.Project.runTarget(Project.java:818)     [javac]     at org.apache.tools.ant.Project.executeTarget(Project.java:532)     [javac]     at org.apache.tools.ant.Project.executeTargets(Project.java:506)     [javac]     at org.apache.tools.ant.Main.runBuild(Main.java:420)     [javac]     at org.apache.tools.ant.Main.main(Main.java:149)   BUILD FAILED