Glpk java崩溃
我正在使用Glpk java来解决LP松弛问题 奇怪的是,有时它可以工作,但有时JVM崩溃。当它崩溃时,我有一个错误:Glpk java崩溃,java,dll,jvm,native,glpk,Java,Dll,Jvm,Native,Glpk,我正在使用Glpk java来解决LP松弛问题 奇怪的是,有时它可以工作,但有时JVM崩溃。当它崩溃时,我有一个错误: # A fatal error has been detected by the Java Runtime Environment: # # EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00007ffedcbb4d92, pid=16584, tid=17184 # # JRE version: Java(TM) SE R
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00007ffedcbb4d92,
pid=16584, tid=17184
#
# JRE version: Java(TM) SE Runtime Environment (8.0_66-b18) (build 1.8.0_66 b18)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (25.66-b18 mixed mode windows-amd64 compressed oops)
# Problematic frame:
# C [ntdll.dll+0x14d92]
有时它会无声地崩溃,当它崩溃时,它会在glpk DLL文件(即glp_simplex和glp_delete_prob)中的随机本机函数上崩溃
以下是我代码的一部分:
// Allocate memory
ind = GLPK.new_intArray(problem.getNbrConstraints());
val = GLPK.new_doubleArray(problem.getNbrConstraints());
// Create rows
GLPK.glp_add_rows(lp, problem.getNbrConstraints());
// Set row details
for (int i = 0; i < problem.getNbrConstraints(); i++) {
GLPK.glp_set_row_name(lp, i + 1, "c" + (i + 1));
GLPK.glp_set_row_bnds(lp, i + 1, GLPKConstants.GLP_DB, 0, problem.getB(i));
for (int j = 0; j < problem.getNbrVaribles(); j++) {
GLPK.intArray_setitem(ind, j + 1, j + 1);
GLPK.doubleArray_setitem(val, j + 1, problem.getItem(j).getRessource(i));
}
GLPK.glp_set_mat_row(lp, i + 1, problem.getNbrVaribles(), ind, val);
}
// Free memory
GLPK.delete_intArray(ind);
GLPK.delete_doubleArray(val);
// Define objective
GLPK.glp_set_obj_name(lp, "z");
GLPK.glp_set_obj_dir(lp, GLPKConstants.GLP_MAX);
for (int j = 0; j < problem.getNbrVaribles(); j++) {
GLPK.glp_set_obj_coef(lp, j + 1, problem.getItem(j).getProfit());
}
// Write model to file
GLPK.glp_write_lp(lp, null, "lp.lp");
// Solve model
parm = new glp_smcp();
GLPK.glp_init_smcp(parm);
ret = GLPK.glp_simplex(lp, parm);
// Free memory
GLPK.glp_delete_prob(lp);
//分配内存
ind=GLPK.new_intArray(problem.getNbrConstraints());
val=GLPK.new_doubleArray(problem.getNbrConstraints());
//创建行
GLPK.glp_添加_行(lp,problem.getNbrConstraints());
//设置行详细信息
对于(int i=0;i
有什么想法吗
多谢各位
ind=GLPK.new_intArray(problem.getNbrConstraints())
如doc/glpk.pdf所述,glpk不使用索引0
所以数组应该有一个额外的元素
ind = GLPK.new_intArray(problem.getNbrConstraints() + 1);
val = GLPK.new_doubleArray(problem.getNbrConstraints() + 1);
ind=GLPK.new_intArray(problem.getNbrConstraints())
如doc/glpk.pdf所述,glpk不使用索引0
所以数组应该有一个额外的元素
ind = GLPK.new_intArray(problem.getNbrConstraints() + 1);
val = GLPK.new_doubleArray(problem.getNbrConstraints() + 1);
我也看到了同样的问题。在我的情况下,在删除问题的过程中会引发异常。也许添加崩溃日志会帮助其他人给你提示,我也看到了同样的问题。在我的情况下,在删除问题的过程中会引发异常。也许添加崩溃日志会帮助其他人给你提示