[英]android - Sometimes get '502 Bad Gateway' in WebView
我從WebViewClient'onReceivedHttpError得到'502 Bad Gateway',然后只有一條消息:“指定的cgi應用程序遇到錯誤,服務器終止了該進程。” 在沒有任何內容的 WebView 中顯示。
我在多次重新打開 WebView 后遇到了這個問題,但該鏈接在 PC 瀏覽器上工作正常。 當我重新安裝應用程序時,它在前幾次顯示正常內容。
我嘗試更改下面的 WebSettings,但仍然無法正常工作。
@SuppressLint("SetJavaScriptEnabled")
private void settingWebView() {
final WebSettings settings = webView.getSettings();
// js
settings.setJavaScriptEnabled(true);
// ui control
settings.setSupportZoom(true);
settings.setBuiltInZoomControls(true);
settings.setDisplayZoomControls(false);
// cache
settings.setCacheMode(WebSettings.LOAD_NO_CACHE);
settings.setDomStorageEnabled(true);
settings.setDatabaseEnabled(true);
// others
settings.setMixedContentMode(WebSettings.MIXED_CONTENT_COMPATIBILITY_MODE);
// web view
webView.setHorizontalScrollBarEnabled(false);
webView.setInitialScale(100);
// client
webView.setWebViewClient(new WebViewClient() {
@Override
public void onReceivedHttpError(WebView view, WebResourceRequest request, WebResourceResponse errorResponse) {
super.onReceivedHttpError(view, request, errorResponse);
Log.e(TAG, "onReceivedHttpError: " + errorResponse.getStatusCode());
Log.e(TAG, "onReceivedHttpError: " + errorResponse.getReasonPhrase());
}
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
super.onPageStarted(view, url, favicon);
progressBar.setVisibility(View.VISIBLE);
}
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
progressBar.setVisibility(View.GONE);
}
});
webView.setWebChromeClient(new WebChromeClient() {
@Override
public boolean onConsoleMessage(ConsoleMessage consoleMessage) {
return true;
}
});
webView.loadUrl(DevelopUtil.TACTICS_WEB_VIEW);
}
有誰知道是什么問題? 是服務器錯誤還是我的 WebView 設置錯誤?
試試這個對我有用
WebViewClient webClient = new WebViewClient() {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
return super.shouldOverrideUrlLoading(view, url);
}
@Override
public void onFormResubmission(WebView view, Message dontResend,
Message resend) {
// TODO Auto-generated method stub
super.onFormResubmission(view, dontResend, resend);
}
@Override
public void onLoadResource(WebView view, String url) {
super.onLoadResource(view, url);
if (url.contains("purchasehistory.html")) {
// mURLNavigation.onURLNavigation(3);
}
}
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
super.onPageStarted(view, url, favicon);
}
};
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