Java版本1.6加載共享庫的UnsatisfiedLinkError，Java 1.4正常工作？

Question

問題解決。 libjnidiagnosticsserver.so缺少鏈接器lib和libfesdiagnosticsserver.so的路徑。查找未定義符號的Java 1.4必須比Java 1.6更加寬鬆。感謝大家的幫助。任何關於禮儀的建議是否公平地結束？

（免責聲明：Java的新手）

我寫了使用JNI調用我的C++共享庫的Java應用程序。它打印java版本並在執行時獲取並打印LD_LIBRARY_PATH。

Java版本1.4 - 所有這些都是好的！：

/usr/bin/java -jar "javadiagnosticsserver-test.jar" 
java version=1.4.2 
LD_LIBRARY_PATH = /usr/lib/fesdiagnostics 

Java版本1.6 - UnsatisfiedLinkError：

的 「未定義的符號」 _ZN17DiagnosticsServerC1Ev在libfesdiagnosticsserver定義。所以。 Java 1.4認爲它，Java 1.6不？ System.loadLibrary（「fesdiagnosticsserver」）調用起作用。 Java 1.6的loadLibrary不知道在哪裏看？

/usr/java/jdk1.6.0_26/bin/java -jar "javadiagnosticsserver-test.jar" 
version=1.6.0_26 
class path=javadiagnosticsserver-test.jar 
os.arch=i386 
sun.arch.data.model=32 
$HOME = /home/esutton 
$LD_LIBRARY_PATH = /usr/java/jdk1.6.0_26/jre/lib/i386/client:/usr/java/jdk1.6.0_26/jre/lib/i386:/usr/java/jdk1.6.0_26/jre/../lib/i386:/usr/lib/fesdiagnostics 
Dbg: Loading native lib dependencies... 
Dbg: System.loadLibrary("fesdiagnostics"); 
Dbg: loaded fesdiagnostics 
Dbg: The undefined symbol _ZN17DiagnosticsServerC1Ev is in libfesdiagnosticsserver.so 
Dbg: System.loadLibrary("fesdiagnosticsserver"); 
Dbg: loaded fesdiagnosticsserver 
Dbg: System.loadLibrary("jnidiagnosticsserver"); 
Exception in thread "main" java.lang.UnsatisfiedLinkError: /usr/lib/fesdiagnostics/libjnidiagnosticsserver.so: /usr/lib/fesdiagnostics/libjnidiagnosticsserver.so: undefined symbol: _ZN17DiagnosticsServerC1Ev 
     at java.lang.ClassLoader$NativeLibrary.load(Native Method) 
     at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1807) 
     at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1732) 
     at java.lang.Runtime.loadLibrary0(Runtime.java:823) 
     at java.lang.System.loadLibrary(System.java:1028) 
     at fes.JniDiagnostics.libLoad(JniDiagnostics.java:30) 
     at fes.JniDiagnostics.<clinit>(JniDiagnostics.java:38) 
     at fes.FesDiagnostics.<clinit>(FesDiagnostics.java:17) 
     at javadiagnosticsservertest.Main.main(Main.java:37) 

環境是在兩種情況下是相同的：

LD_LIBRARY_PATH =/usr/lib/fesdiagnostics 
PATH = /opt/ActivePython-2.7/bin:/usr/java/jdk1.6.0_26/bin: \ 
/usr/kerberos/bin:/usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin: \ 
/sbin:/opt/qtsdk-2010.01/qt/bin:/home/esutton/bin:/sbin: \ 
/opt/qtsdk-2010.01/qt/bin 
JAVA_HOME = /usr/java/jdk1.6.0_26 

本地C++的共享庫的編譯選項：

g++ -Wl,-rpath,/opt/qtsdk-2010.01/qt/lib -shared \ 
-Wl,-soname,libjnidiagnosticsserver.so.1 \ 
-o libjnidiagnosticsserver.so.1.0.0 build/Debug/GNU-Linux-x86/ \ 
jnifesdiagnostics.o -L/opt/qtsdk-2010.01/qt/lib -lQtGui \ 
-L/opt/qtsdk-2010.01/qt/lib -L/usr/X11R6/lib -lQtCore -lpthread 
ln -s libjnidiagnosticsserver.so.1.0.0 libjnidiagnosticsserver.so 
ln -s libjnidiagnosticsserver.so.1.0.0 libjnidiagnosticsserver.so.1 
ln -s libjnidiagnosticsserver.so.1.0.0 libjnidiagnosticsserver.so.1.0 
rm -f dist/libjnidiagnosticsserver.so.1.0.0 
rm -f dist/libjnidiagnosticsserver.so 
rm -f dist/libjnidiagnosticsserver.so.1 
rm -f dist/libjnidiagnosticsserver.so.1.0 
mv -f libjnidiagnosticsserver.so.1.0.0 libjnidiagnosticsserver.so \ 
\libjnidiagnosticsserver.so.1 libjnidiagnosticsserver.so.1.0 dist/ 

當它工作的Java 1.4下，我必須加載jnidiagnosticsserver的依賴第一。我不懂爲什麼。我預計LD_LIBRARY_PATH會照顧到這一點：

public class JniDiagnostics { 

    public native void open(String configurationFile); 

    public native void close(); 

    public native String query(String restfulQueryString); 
    private static String[] libraryDependencyList = {"fesdiagnostics", "fesdiagnosticsserver", "jnidiagnosticsserver"}; 

    private static void libLoad(String libName) { 
     System.out.println("Dbg: System.loadLibrary(\"" + libName + "\");"); 
     System.loadLibrary(libName); 
     System.out.println("Dbg: loaded " + libName); 
    } 

    static //static initializer code 
    { 
     System.out.println("Dbg: Loading native lib dependencies..."); 
     for (int i = 0; i < libraryDependencyList.length; i++) { 
      libLoad(libraryDependencyList[i]); 

     } 
    } 
} 

安全問題？ Java版本配置問題？

預先感謝任何方向，

-Ed

CentOS 5.2 32-bit 
Netbeans 6.9.1 
Java version 1.6.0_26 

PS：我的目標是讓我的Java源在Glassfish的RESTful網絡服務 運行。如果LD_LIBRARY_PATH可以解決的Java應用程序，我希望同 解決方案將Glassfish的3

Answer 1

下申請我想這個問題是你的共享庫的missig依賴。嘗試運行以下命令來解決這個問題：

ldd -d -r /home/esutton/jnidiagnosticsserver/dist/libjnidiagnosticsserver.so.1.0.0 

這顯示丟失的符號。

UnsatisfiedLinkError記錄爲：

Thrown if the Java Virtual Machine cannot find an appropriate 
native-language definition of a method declared native.