{"record":{"id":"404c989523dd6f36","repo":"wailsapp/wails","slug":"globalalloc-failed","errorCode":null,"errorMessage":"GlobalAlloc failed","messagePattern":"GlobalAlloc failed","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"error","filePath":"v3/pkg/w32/kernel32.go","lineNumber":125,"sourceCode":"func Lstrlen(lpString *uint16) int {\n\tret, _, _ := procLstrlen.Call(uintptr(unsafe.Pointer(lpString)))\n\n\treturn int(ret)\n}\n\nfunc Lstrcpy(buf []uint16, lpString *uint16) {\n\tprocLstrcpy.Call(\n\t\tuintptr(unsafe.Pointer(&buf[0])),\n\t\tuintptr(unsafe.Pointer(lpString)))\n}\n\nfunc GlobalAlloc(uFlags uint, dwBytes uint32) HGLOBAL {\n\tret, _, _ := procGlobalAlloc.Call(\n\t\tuintptr(uFlags),\n\t\tuintptr(dwBytes))\n\n\tif ret == 0 {\n\t\tpanic(\"GlobalAlloc failed\")\n\t}\n\n\treturn HGLOBAL(ret)\n}\n\nfunc GlobalFree(hMem HGLOBAL) {\n\tret, _, _ := procGlobalFree.Call(uintptr(hMem))\n\n\tif ret != 0 {\n\t\tpanic(\"GlobalFree failed\")\n\t}\n}\n\nfunc GlobalLock(hMem HGLOBAL) unsafe.Pointer {\n\tret, _, _ := procGlobalLock.Call(uintptr(hMem))\n\n\tif ret == 0 {\n\t\tpanic(\"GlobalLock failed\")","sourceCodeStart":107,"sourceCodeEnd":143,"githubUrl":"https://github.com/wailsapp/wails/blob/0e754b1b40ba9044c2a1460e23b7c3de20fc5cf3/v3/pkg/w32/kernel32.go#L107-L143","documentation":"Error \"GlobalAlloc failed\" thrown in wailsapp/wails.","triggerScenarios":"Occurs when GlobalAlloc returns NULL, typically due to insufficient memory or invalid allocation flags.","commonSituations":"See trigger scenarios.","solutions":["Reduce the requested allocation size (dwBytes); GlobalAlloc fails when the system cannot satisfy the memory request.","Use valid allocation flags such as GMEM_MOVEABLE or GMEM_FIXED; invalid flag combinations cause failure.","Check for memory or handle exhaustion; free unused global memory blocks with GlobalFree."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"0e754b1b40ba9044c2a1460e23b7c3de20fc5cf3","analyzedAt":"2026-08-15T14:17:36.034Z","schemaVersion":2},"datasetVersion":"2026-08-15T17:31:12.345Z"}