Question

我花了很多时间处理java进程错误文件，即hs_err_pid * .log。在这些文件中有一个标题为Dynamic libraries的部分，显示了进程失败时当前加载的所有dll。

是否可以在正常运行条件下以编程方式访问此信息？

Answer 1

在命令提示符下转到jdk \ bin路径并在commond下面运行。

jmap（进程ID）

这将打印在该过程中加载的所有dll。不确定程序。这很有效。我用于自动化目的。

注意：您的JDK和JRE版本应匹配（可压缩）

Answer 2

https://msdn.microsoft.com/en-us/library/windows/desktop/ms682621%28v=vs.85%29.aspx

#include <windows.h>
#include <tchar.h>
#include <stdio.h>
#include <psapi.h>

// To ensure correct resolution of symbols, add Psapi.lib to TARGETLIBS
// and compile with -DPSAPI_VERSION=1

int PrintModules( DWORD processID )
{
    HMODULE hMods[1024];
    HANDLE hProcess;
    DWORD cbNeeded;
    unsigned int i;

    // Print the process identifier.

    printf( "\nProcess ID: %u\n", processID );

    // Get a handle to the process.

    hProcess = OpenProcess( PROCESS_QUERY_INFORMATION |
                            PROCESS_VM_READ,
                            FALSE, processID );
    if (NULL == hProcess)
        return 1;

   // Get a list of all the modules in this process.

    if( EnumProcessModules(hProcess, hMods, sizeof(hMods), &cbNeeded))
    {
        for ( i = 0; i < (cbNeeded / sizeof(HMODULE)); i++ )
        {
            TCHAR szModName[MAX_PATH];

            // Get the full path to the module's file.

            if ( GetModuleFileNameEx( hProcess, hMods[i], szModName,
                                      sizeof(szModName) / sizeof(TCHAR)))
            {
                // Print the module name and handle value.

                _tprintf( TEXT("\t%s (0x%08X)\n"), szModName, hMods[i] );
            }
        }
    }

    // Release the handle to the process.

    CloseHandle( hProcess );

    return 0;
}

int main( void )
{

    DWORD aProcesses[1024]; 
    DWORD cbNeeded; 
    DWORD cProcesses;
    unsigned int i;

    // Get the list of process identifiers.

    if ( !EnumProcesses( aProcesses, sizeof(aProcesses), &cbNeeded ) )
        return 1;

    // Calculate how many process identifiers were returned.

    cProcesses = cbNeeded / sizeof(DWORD);

    // Print the names of the modules for each process.

    for ( i = 0; i < cProcesses; i++ )
    {
        PrintModules( aProcesses[i] );
    }

    return 0;
}

获取Java进程加载的dll列表

2 个答案: