Java 如何在Eclipse中使用launch4j来运行和开发应用程序?
当我们在eclipse中运行程序时,我们正在使用musicg库开发一个应用程序,以获得outofmemory异常 下面是课堂Java 如何在Eclipse中使用launch4j来运行和开发应用程序?,java,out-of-memory,launch4j,Java,Out Of Memory,Launch4j,当我们在eclipse中运行程序时,我们正在使用musicg库开发一个应用程序,以获得outofmemory异常 下面是课堂 public class FingerprintDemo{ public static void main (String[] args){ String filename = "Fun - Some Nights (ORIGINAL.wav"; // create a wave object Wave wav
public class FingerprintDemo{
public static void main (String[] args){
String filename = "Fun - Some Nights (ORIGINAL.wav";
// create a wave object
Wave wave = new Wave("D:\\DropBox\\Dropbox\\Convencion 2012\\AUDIOS WAV/"+filename);
// get the fingerprint
byte[] fingerprint=wave.getFingerprint();
// dump the fingerprint
FingerprintManager fingerprintManager=new FingerprintManager();
fingerprintManager.saveFingerprintAsFile(fingerprint, "out/"+filename+".fingerprint");
// load fingerprint from file
byte[] loadedFp=fingerprintManager.getFingerprintFromFile("out/"+filename+".fingerprint");
/*
// fingerprint bytes checking
for (int i=0; i<fingerprint.length; i++){
System.out.println(fingerprint[i]+" vs "+loadedFp[i]);
}
*/
}
}
公共类指纹演示{
公共静态void main(字符串[]args){
String filename=“乐趣-一些夜晚(ORIGINAL.wav”;
//创建波浪对象
Wave Wave=新Wave(“D:\\DropBox\\DropBox\\Convencion 2012\\AUDIOS WAV/”+文件名);
//获取指纹
字节[]指纹=wave.getFingerprint();
//丢弃指纹
指纹管理器指纹管理器=新的指纹管理器();
指纹管理器.save指纹文件(指纹,“out/”+filename+“.fingerprint”);
//从文件中加载指纹
字节[]loadedFp=fingerprintManager.getFingerprintFromFile(“out/”+filename+“.fingerprint”);
/*
//指纹字节检查
对于(int i=0;i您在Eclipse中遇到一个OutOfMemoryError,因为您没有在运行配置中增加最大堆大小。但是,在Launch4J脚本中,您确实增加了它:512
要解决Eclipse中的问题,请打开.Switch到Arguments选项卡并输入Xmx(最大堆大小)参数
从Eclipse运行Launch4J脚本确实不合适,请使用运行配置。尽管您可以创建一个Ant脚本来运行Launch4J并生成.exe
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
at com.musicg.wave.extension.Spectrogram.buildSpectrogram(Spectrogram.java:117)
at com.musicg.wave.extension.Spectrogram.<init>(Spectrogram.java:76)
at com.musicg.wave.Wave.getSpectrogram(Wave.java:237)
at com.musicg.fingerprint.FingerprintManager.extractFingerprint(FingerprintManager.java:83)
at com.musicg.wave.Wave.getFingerprint(Wave.java:329)
at com.musicg.main.demo.FingerprintDemo.main(FingerprintDemo.java:31)
<launch4jConfig>
<dontWrapJar>false</dontWrapJar>
<headerType>gui</headerType>
<jar>D:\musicg\musicg.jar</jar>
<outfile>D\musicg\\\musicg\.exe</outfile>
<errTitle>MusicG</errTitle>
<cmdLine></cmdLine>
<chdir></chdir>
<priority>normal</priority>
<downloadUrl>http://java.com/download</downloadUrl>
<supportUrl></supportUrl>
<customProcName>true</customProcName>
<stayAlive>false</stayAlive>
<manifest></manifest>
<icon></icon>
<jre>
<path>C:\Program Files\Java\jre7\</path>
<minVersion>1.4.0</minVersion>
<maxVersion></maxVersion>
<jdkPreference>preferJre</jdkPreference>
<initialHeapSize>512</initialHeapSize>
<maxHeapSize>512</maxHeapSize>
</jre>
</launch4jConfig>