Java Windows\System32\lpsolve55j.dll:Can';找不到依赖库
当我尝试使用LPSolve for Java(mavenized版本,)时,出现以下错误:Java Windows\System32\lpsolve55j.dll:Can';找不到依赖库,java,maven,lpsolve,Java,Maven,Lpsolve,当我尝试使用LPSolve for Java(mavenized版本,)时,出现以下错误: java.lang.UnsatisfiedLinkError: C:\Windows\System32\lpsolve55j.dll: Can't find dependent libraries at java.lang.ClassLoader$NativeLibrary.load(Native Method) at java.lang.ClassLoader.loadLibrary
java.lang.UnsatisfiedLinkError: C:\Windows\System32\lpsolve55j.dll: Can't find dependent libraries
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(Unknown Source)
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.loadLibrary(Unknown Source)
at lpsolve.LpSolve.<clinit>(LpSolve.java:274)
java.lang.UnsatifiedLink错误:C:\Windows\System32\lpsolve55j.dll:找不到依赖库
位于java.lang.ClassLoader$NativeLibrary.load(本机方法)
位于java.lang.ClassLoader.loadLibrary0(未知源)
位于java.lang.ClassLoader.loadLibrary(未知源)
位于java.lang.Runtime.loadLibrary0(未知源)
位于java.lang.System.loadLibrary(未知源)
在lpsolve.lpsolve.(lpsolve.java:274)
我
- 将lpsolve55j.dll放入Windows\System32并
- 将目录C:\Program Files\LPSolve IDE添加到PATH环境变量
如何修复此错误?我做了以下操作,似乎有效:
现在它工作了。我做了以下事情,它100%工作:
Downloaded these two files "lpsolve55.dll" & "lpsolve55j.dll"
Copy these files and paste inside these folders "C:\Program Files\Java\jdk1.6.0_25\bin" and "C:\Program Files\Java\jre6\bin"
Put these two files "lpsolve55.dll" & "lpsolve55j.dll" in your project Folder also.
现在它可以工作了。对于我的Windows 64位maven,我刚刚下载了lp_solve_5.5.2.5_dev_win64.zip和lp_solve_5.5.2.5_java.zip,解压它们可以做以下两件事:
1) add lpsolve55j.jar to maven dependency, in my case it is as follows:
<dependency>
<groupId>lpsolver55j</groupId>
<artifactId>lpsolve55j</artifactId>
<scope>system</scope>
<systemPath>${basedir}/lib/lpsolve55j.jar</systemPath>
<version>55</version>
</dependency>
2) put lpsolve55.dll, lpsolve55j.dll into C:\Windows\System32. Be sure these two dlls are both 64 bit.
LPSolve的设置
1.转到->单击LpSolve
您将看到LPSolve的不同版本。
下载lp_solve_5.5.2.5_dev_win64.zip(根据处理器类型)
lp_solve_5.5.2.5_java.zip(适用于java)
2.提取两个文件(lp_solve_5.5.2.5_dev_win64和lp_solve_5.5.2.5_java文件夹)
3.使用eclipse创建maven项目。(演示项目)
4.转到lp_solve_5.5.2.5_java文件夹并复制lib文件夹,然后将其粘贴到项目目录的根目录中。
(lib文件夹包含处理器类型(win64、win32等)的支持文件和LPSolve的jar文件,即“lpsolve55j.jar”)
5.右键单击演示项目->构建路径->配置构建路径->库->添加外部jar->导航到项目目录->库->选择“lpsolve55j.jar”->打开->应用->应用并关闭
6.转到lp_solve_5.5.2.5_dev_win64文件夹副本“lpsolve55.dll”并将其粘贴到C:\Windows文件夹中
7.转到lib->win64->复制“lpsolve55j.dll”并将其粘贴到C:\Windows文件夹中
8.创建一个新的类演示
九,。将此作为参考指南
10.复制并粘贴简单示例并运行应用程序
import lpsolve.*;
public class Demo {
public static void main(String[] args) {
try {
// Create a problem with 4 variables and 0 constraints
LpSolve solver = LpSolve.makeLp(0, 4);
// add constraints
solver.strAddConstraint("3 2 2 1", LpSolve.LE, 4);
solver.strAddConstraint("0 4 3 1", LpSolve.GE, 3);
// set objective function
solver.strSetObjFn("2 3 -2 3");
// solve the problem
solver.solve();
// print solution
System.out.println("Value of objective function: " + solver.getObjective());
double[] var = solver.getPtrVariables();
for (int i = 0; i < var.length; i++) {
System.out.println("Value of var[" + i + "] = " + var[i]);
}
// delete the problem and free memory
solver.deleteLp();
}
catch (LpSolveException e) {
e.printStackTrace();
}
}
}
导入lpsolve.*;
公开课演示{
公共静态void main(字符串[]args){
试一试{
//创建一个具有4个变量和0个约束的问题
LpSolve solver=LpSolve.makeLp(0,4);
//添加约束条件
求解器。斯特拉德约束(“3 2 1”,LpSolve.LE,4);
求解器.strAddConstraint(“0 4 3 1”,LpSolve.GE,3);
//设定目标函数
解算器。strestobjfn(“23-23”);
//解决问题
solver.solve();
//打印溶液
System.out.println(“目标函数的值:+solver.getObjective());
double[]var=solver.getPtrVariables();
对于(int i=0;i
如果您遇到此错误:java.lang.UnsatifiedLinkError no lpsolve55j in java.library.path
设置java.library路径。使用Eclipse
1.在Package Explorer区域中选择您的项目,然后右键单击它
2.选择构建路径→ 配置生成路径。。。选择权
3.在出现的窗口中,选择“库”选项卡
4.然后,展开JRE系统库选项并选择本机库位置
5.单击“编辑…”。。。右面板上的按钮
6.找到所需的库,然后单击“确定”
7.关闭窗口。我也有同样的问题!
import lpsolve.*;
public class Demo {
public static void main(String[] args) {
try {
// Create a problem with 4 variables and 0 constraints
LpSolve solver = LpSolve.makeLp(0, 4);
// add constraints
solver.strAddConstraint("3 2 2 1", LpSolve.LE, 4);
solver.strAddConstraint("0 4 3 1", LpSolve.GE, 3);
// set objective function
solver.strSetObjFn("2 3 -2 3");
// solve the problem
solver.solve();
// print solution
System.out.println("Value of objective function: " + solver.getObjective());
double[] var = solver.getPtrVariables();
for (int i = 0; i < var.length; i++) {
System.out.println("Value of var[" + i + "] = " + var[i]);
}
// delete the problem and free memory
solver.deleteLp();
}
catch (LpSolveException e) {
e.printStackTrace();
}
}
}