番石榴:java.lang.NoClassDefFoundError的 - com.google.common.collect.HashBiMap [英] Guava: java.lang.NoClassDefFoundError - com.google.common.collect.HashBiMap
问题描述
我目前面临java.lang.NoClassDefFoundError的问题: HTTP://$c$c.google.com/p/guava-libraries/
我已经加番石榴12.0.jar到我的项目作为参考库,但我仍然得到错误。愿你给什么问题会是一些建议吗?谢谢你们的帮助,
包my.project;
进口android.app.Activity;
进口android.os.Bundle;
进口com.google.common.collect.BiMap;
进口com.google.common.collect.HashBiMap;
公共类MainActivity延伸活动{
私人BIMAP<字符串,字符串> bidiMap;
@覆盖
公共无效的onCreate(包savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.bible_help_cal);
bidiMap = HashBiMap.create();
bidiMap.put(一,100);
bidiMap.put(B,200);
}
}
错误消息我收到
05-29 18:35:19.737:E / AndroidRuntime(376):致命异常:主要
05-29 18:35:19.737:E / AndroidRuntime(376):java.lang.NoClassDefFoundError的:com.google.common.collect.HashBiMap
05-29 18:35:19.737:E / AndroidRuntime(376):在my.project.MainActivity.onCreate(MainActivity.java:18)
05-29 18:35:19.737:E / AndroidRuntime(376):在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1048)
05-29 18:35:19.737:E / AndroidRuntime(376):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1712)
05-29 18:35:19.737:E / AndroidRuntime(376):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1764)
05-29 18:35:19.737:E / AndroidRuntime(376):在android.app.ActivityThread.access $ 1500(ActivityThread.java:122)
05-29 18:35:19.737:E / AndroidRuntime(376):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1002)
05-29 18:35:19.737:E / AndroidRuntime(376):在android.os.Handler.dispatchMessage(Handler.java:99)
05-29 18:35:19.737:E / AndroidRuntime(376):在android.os.Looper.loop(Looper.java:132)
05-29 18:35:19.737:E / AndroidRuntime(376):在android.app.ActivityThread.main(ActivityThread.java:4025)
05-29 18:35:19.737:E / AndroidRuntime(376):在java.lang.reflect.Method.invokeNative(本机方法)
05-29 18:35:19.737:E / AndroidRuntime(376):在java.lang.reflect.Method.invoke(Method.java:491)
05-29 18:35:19.737:E / AndroidRuntime(376):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:841)
05-29 18:35:19.737:E / AndroidRuntime(376):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
05-29 18:35:19.737:E / AndroidRuntime(376):在dalvik.system.NativeStart.main(本机方法)
这个错误意味着类是在编译时间,但可以在运行时不会被发现。它最常见的发生在你的编译时类路径是从运行时类路径有所不同。
这是非常有可能的运行时类路径中不包含番石榴罐子。为了验证这一点,请尝试打印你的classpath 在code。
在命令行中,你可以使用: java命令路径/要/ guava.jarMyMainClass
或替代,设置CLASSPATH环境变量包括JAR。
I currently face the problem of java.lang.NoClassDefFoundError: com.google.common.collect.HashBiMap when using guava libraries downloaded from here: http://code.google.com/p/guava-libraries/
I already add guava-12.0.jar into my project as a reference library but I still get the error. May you give some advice on what the problem would be? Thankyou for your help
package my.project;
import android.app.Activity;
import android.os.Bundle;
import com.google.common.collect.BiMap;
import com.google.common.collect.HashBiMap;
public class MainActivity extends Activity{
private BiMap<String,String> bidiMap;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.bible_help_cal);
bidiMap = HashBiMap.create();
bidiMap.put("a","100");
bidiMap.put("b","200");
}
}
Error Message I get
05-29 18:35:19.737: E/AndroidRuntime(376): FATAL EXCEPTION: main
05-29 18:35:19.737: E/AndroidRuntime(376): java.lang.NoClassDefFoundError: com.google.common.collect.HashBiMap
05-29 18:35:19.737: E/AndroidRuntime(376): at my.project.MainActivity.onCreate(MainActivity.java:18)
05-29 18:35:19.737: E/AndroidRuntime(376): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1048)
05-29 18:35:19.737: E/AndroidRuntime(376): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1712)
05-29 18:35:19.737: E/AndroidRuntime(376): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1764)
05-29 18:35:19.737: E/AndroidRuntime(376): at android.app.ActivityThread.access$1500(ActivityThread.java:122)
05-29 18:35:19.737: E/AndroidRuntime(376): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1002)
05-29 18:35:19.737: E/AndroidRuntime(376): at android.os.Handler.dispatchMessage(Handler.java:99)
05-29 18:35:19.737: E/AndroidRuntime(376): at android.os.Looper.loop(Looper.java:132)
05-29 18:35:19.737: E/AndroidRuntime(376): at android.app.ActivityThread.main(ActivityThread.java:4025)
05-29 18:35:19.737: E/AndroidRuntime(376): at java.lang.reflect.Method.invokeNative(Native Method)
05-29 18:35:19.737: E/AndroidRuntime(376): at java.lang.reflect.Method.invoke(Method.java:491)
05-29 18:35:19.737: E/AndroidRuntime(376): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
05-29 18:35:19.737: E/AndroidRuntime(376): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
05-29 18:35:19.737: E/AndroidRuntime(376): at dalvik.system.NativeStart.main(Native Method)
This error means that the class was available at compile time, but cannot be found during run time. It most commonly happens when your compile time classpath is different from your runtime classpath.
It is very likely that your runtime classpath doesn't contain the guava jar. To verify this, try printing your classpath in your code.
on the command line, you can use: java -cp "path/to/guava.jar" MyMainClass
or alternatively, set the CLASSPATH environment variable to include the jar.
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