unity2022 webgl 加载资源出错 exception thrown: TypeError ...
老项目unity 2019升级到2022，项目中的错误an abnonal sitution has occuret: th Playercop ifntenal funtion ha be called recursvly,Please contactlutorer Sipport with a saple pvoject so that ve cn rearouce theproblem and troubleshoot it.
UnityEngine.Networking.UnitywebRequest:BeginlebRequest()UnityEngine.Networking.UnitywebRequest:SendlebRequest()woogilorld.AssetBundles.ABLoadFileAsync :.ctor(String)
woogiWorld.AssetBundles.ABManager:LoadAssetBundleInternal(String,Boolean)WoogiWorld.AssetBundles.ABManager:LoadAssetBundle(String,Boolean)
woogilorld.AssetBundles.ABManager:Initialize(String)
woogivlorld.AssetBundles.ABManager : Initialize()
不知道为何，在知乎的照片特模糊，我保证 我上传的是高清图片。
模拟测试
public class Test3 : MonoBehaviour
{
public string url ="https://*****/StreamingAssets/AssetBundle/WebGL/WebGL.webgl";
public UnityWebRequestAsyncOperation webRequest;
IEnumerator Start()
{
Debug.Log("Init Start:" + url);
yield return new WaitForSeconds(5);
webRequest =
UnityWebRequestAssetBundle.GetAssetBundle(url).SendWebRequest();
yield return 0;
while (!webRequest.isDone)
{
yield return 0;
}
Debug.Log("Init Completed! " + webRequest.webRequest.downloadedBytes);
}
}
exception thrown: TypeError: Cannot set properties of undefined (setting '1'),TypeError: Cannot set properties of undefined (setting '1')
at _JS_WebRequest_Create (blob:http://127.0.0.1/d05375fb-4c26-4487-b2f5-4da97ff15bf5:3:75110)
at wasm://wasm/0e8982b2:wasm-function:0x329bda1
at wasm://wasm/0e8982b2:wasm-function:0x329b062
at wasm://wasm/0e8982b2:wasm-function:0x329ab6f
at wasm://wasm/0e8982b2:wasm-function:0xfd6ecb
at wasm://wasm/0e8982b2:wasm-function:0x329b38d
at wasm://wasm/0e8982b2:wasm-function:0x30d4b28
at wasm://wasm/0e8982b2:wasm-function:0xd50a8e
at invoke_ii (blob:http://127.0.0.1/d05375fb-4c26-4487-b2f5-4da97ff15bf5:3:417257)
at wasm://wasm/0e8982b2:wasm-function:0x2337219
at wasm://wasm/0e8982b2:wasm-function:0x307f1a9
at invoke_iii (blob:http://127.0.0.1/d05375fb-4c26-4487-b2f5-4da97ff15bf5:3:415239)
at wasm://wasm/0e8982b2:wasm-function:0x2337074
at wasm://wasm/0e8982b2:wasm-function:0x307f1a9
at invoke_iii (blob:http://127.0.0.1/d05375fb-4c26-4487-b2f5-4da97ff15bf5:3:415239)
at wasm://wasm/0e8982b2:wasm-function:0x18049ef
at wasm://wasm/0e8982b2:wasm-function:0x946fb
at wasm://wasm/0e8982b2:wasm-function:0x307f19d
at invoke_iiii (blob:http://127.0.0.1/d05375fb-4c26-4487-b2f5-4da97ff15bf5:3:415917)
at wasm://wasm/0e8982b2:wasm-function:0x214db2e
at wasm://wasm/0e8982b2:wasm-function:0x1689c3
at wasm://wasm/0e8982b2:wasm-function:0x288bbb
at wasm://wasm/0e8982b2:wasm-function:0x307f19d
at invoke_iiii (blob:http://127.0.0.1/d05375fb-4c26-4487-b2f5-4da97ff15bf5:3:415917)
at wasm://wasm/0e8982b2:wasm-function:0xb2f28
at wasm://wasm/0e8982b2:wasm-function:0x1037671
at wasm://wasm/0e8982b2:wasm-function:0x8a889
at wasm://wasm/0e8982b2:wasm-function:0x35b0da
at wasm://wasm/0e8982b2:wasm-function:0xe99633
at wasm://wasm/0e8982b2:wasm-function:0x320b7f2
at wasm://wasm/0e8982b2:wasm-function:0xe9bd39
at wasm://wasm/0e8982b2:wasm-function:0x1129b56
at wasm://wasm/0e8982b2:wasm-function:0x1129bc7
at wasm://wasm/0e8982b2:wasm-function:0x34ce53
at wasm://wasm/0e8982b2:wasm-function:0x307f054
at browserIterationFunc (blob:http://127.0.0.1/d05375fb-4c26-4487-b2f5-4da97ff15bf5:3:240659)
at callUserCallback (blob:http://127.0.0.1/d05375fb-4c26-4487-b2f5-4da97ff15bf5:3:193857)
at Object.runIter (blob:http://127.0.0.1/d05375fb-4c26-4487-b2f5-4da97ff15bf5:3:195117)
at Browser_mainLoop_runner (blob:http://127.0.0.1/d05375fb-4c26-4487-b2f5-4da97ff15bf5:3:193392)
解决方案：1. 询问了国际友人
，他建议勾选 development， 结果并没什么用.
2. 老方法，剔除插件。 搞了几个小时，最后找到是 besthttp 所导致，我升级besthttp2_2.6.3，正常工作。
一共花了一天。
不管是堆栈信息抓包 也没法定位。只知道UnityWebRequestAssetBundle.GetAssetBundle(url) 就出错。只能一步一步的排查。
排查方法》创建一个空项目，把老项目的插件全部导入，不导入代码。在编写一个简单代码（UnityWebRequestAssetBundle.GetAssetBundle(url)）测试。这样比在老项目中排查 不知道快了多少倍。
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